{"id":7433,"date":"2026-09-29T09:39:29","date_gmt":"2026-09-29T00:39:29","guid":{"rendered":"https:\/\/techfun.cc\/?p=7433"},"modified":"2026-09-29T09:39:29","modified_gmt":"2026-09-29T00:39:29","slug":"bedrock-rerank-rag-comparison","status":"publish","type":"post","link":"https:\/\/techfun.cc\/generative-ai\/bedrock-rerank-rag-comparison.html","title":{"rendered":"Amazon Bedrock\u306eRerank API\u3067\u691c\u7d22\u9806\u4f4d\u306f\u3069\u308c\u3060\u3051\u5909\u308f\u308b\u304b\u2500\u2500RAG\u306e\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u5b9f\u6e2c\u3067\u6bd4\u8f03"},"content":{"rendered":"<h3 id=\"section-1\" class=\"Heading Title Title--m\">\u306f\u3058\u3081\u306b<\/h3>\n<p>RAG\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u691c\u7d22\u7d50\u679c\u3092\u898b\u306a\u304c\u3089\u300c\u3053\u306e\u6587\u66f8\u304c\u4e0a\u306b\u6765\u3066\u304f\u308c\u308c\u3070\u7b54\u3048\u3089\u308c\u308b\u306e\u306b\u300d\u3068\u611f\u3058\u308b\u5834\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u691c\u7d22\u305d\u306e\u3082\u306e\u304c\u5931\u6557\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5019\u88dc\u309230\u4ef6\u307e\u3067\u5e83\u3052\u308c\u3070\u5fc5\u8981\u306a\u6587\u66f8\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3068\u3053\u308d\u304cLLM\u3078\u6e21\u3059\u306e\u306f\u4e0a\u4f4d5\u4ef6\u3060\u3051\u3068\u3044\u3046\u8a2d\u8a08\u306e\u305f\u3081\u3001\u305d\u306e5\u4ef6\u306b\u6b8b\u3089\u306a\u3051\u308c\u3070\u56de\u7b54\u306e\u6839\u62e0\u3068\u3057\u3066\u4f7f\u308f\u308c\u307e\u305b\u3093\u3002<br \/>\n\u691c\u7d22\u4ef6\u6570\u3092\u5897\u3084\u305b\u3070\u3053\u306e\u53d6\u308a\u3053\u307c\u3057\u306f\u6e1b\u308a\u307e\u3059\u304c\u3001\u4eca\u5ea6\u306f\u95a2\u4fc2\u306e\u306a\u3044\u6587\u66f8\u304c\u4e00\u7dd2\u306b\u5165\u3063\u3066\u304d\u307e\u3059\u3002LLM\u3078\u6e21\u3059\u6587\u8108\u91cf\u3082\u5897\u3048\u3001\u8cbb\u7528\u3068\u5fdc\u7b54\u6642\u9593\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u304b\u3068\u3044\u3063\u3066\u4ef6\u6570\u3092\u7d5e\u308c\u3070\u3001\u5143\u306e\u53d6\u308a\u3053\u307c\u3057\u304c\u623b\u3063\u3066\u304d\u307e\u3059\u3002<br \/>\n\u3053\u306e\u300c\u5019\u88dc\u306b\u306f\u5165\u308b\u304c\u4e0a\u4f4d\u306b\u51fa\u306a\u3044\u300d\u72b6\u614b\u306b\u5bfe\u3059\u308b\u624b\u6bb5\u306e\u3072\u3068\u3064\u304c\u3001\u96c6\u3081\u305f\u5019\u88dc\u3092\u4e26\u3079\u76f4\u3059\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u3059\u3002\u691c\u7d22\u4ef6\u6570\u306f\u5897\u3084\u3055\u306a\u3044\u307e\u307e\u3001\u5019\u88dc\u306e\u4e2d\u3067\u306e\u9806\u4f4d\u3060\u3051\u3092\u4ed8\u3051\u66ff\u3048\u307e\u3059\u3002Amazon Bedrock\u306b\u306f\u5c02\u7528\u306eRerank API\u304c\u3042\u308a\u3001\u65e2\u5b58\u306e\u691c\u7d22\u7d50\u679c\u3092\u305d\u306e\u307e\u307e\u6e21\u3057\u3066\u9806\u4f4d\u3092\u4ed8\u3051\u66ff\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306f1\u56de\u306e\u691c\u7d22\u306b\u3064\u304dAPI\u547c\u3073\u51fa\u3057\u304c1\u56de\u5897\u3048\u307e\u3059\u3002\u5fdc\u7b54\u6642\u9593\u3082\u8cbb\u7528\u3082\u8ffd\u52a0\u3067\u304b\u304b\u308b\u305f\u3081\u3001\u3069\u306e\u304f\u3089\u3044\u52b9\u304f\u306e\u304b\u3092\u6e2c\u3089\u306a\u3044\u307e\u307e\u5c0e\u5165\u306f\u6c7a\u3081\u3089\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u4ed5\u7d44\u307f\u3092\u6574\u7406\u3057\u305f\u3046\u3048\u3067\u3001\u540c\u3058\u6587\u66f8\u30fb\u540c\u3058\u8cea\u554f\u30fb\u540c\u3058\u5019\u88dc\u4ef6\u6570\u3067\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u6709\u7121\u3060\u3051\u3092\u5909\u3048\u305f\u5b9f\u6e2c\u7d50\u679c\u3092\u793a\u3057\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001\u691c\u7d22\u624b\u6cd5\u306e\u9078\u3073\u65b9\u3084\u8a55\u4fa1\u6307\u6a19\u305d\u306e\u3082\u306e\u306b\u3064\u3044\u3066\u306f\u3001\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u306f\u305d\u308c\u3089\u3092\u524d\u63d0\u306b\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u5b9f\u6e2c\u6bd4\u8f03\u306b\u7d5e\u308a\u307e\u3059\u3002<\/p>\n<a class=\"Internal-post\" href=\"https:\/\/techfun.cc\/generative-ai\/rag-search-design-methods.html\"><div class=\"Internal-post__thumb\" style=\"background: url(\/wp-content\/uploads\/2026\/06\/rag-search-design-methods.png) no-repeat; background-size: cover; background-position: 50% 50%;\"><\/div><div class=\"Internal-post-content\"><div class=\"Category Category--generative-ai\"> \u751f\u6210AI\u95a2\u9023<\/div><div class=\"Internal-post__title\">RAG\u306e\u691c\u7d22\u8a2d\u8a08\uff1a\u30c6\u30ad\u30b9\u30c8\u691c\u7d22\u30fb\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u30fb\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u691c\u7d22\u30fb\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u691c\u7d22\u306e\u9055\u3044<\/div><\/div><\/a>\n<a class=\"Internal-post\" href=\"https:\/\/techfun.cc\/generative-ai\/rag-evaluation-metrics.html\"><div class=\"Internal-post__thumb\" style=\"background: url(\/wp-content\/uploads\/2026\/02\/rag-evaluation-metrics-scaled.png) no-repeat; background-size: cover; background-position: 50% 50%;\"><\/div><div class=\"Internal-post-content\"><div class=\"Category Category--generative-ai\"> \u751f\u6210AI\u95a2\u9023<\/div><div class=\"Internal-post__title\">RAG\u306e\u8a55\u4fa1\u6307\u6a19 \u2500 \u4f55\u3092\u30fb\u3069\u3046\u6e2c\u308b\u304b\u3092\u6574\u7406\u3059\u308b<\/div><\/div><\/a>\n<p>\u691c\u8a3c\u306e\u5bfe\u8c61\u306f\u691c\u7d22\u7d50\u679c\u306e\u9806\u4f4d\u3060\u3051\u3067\u3059\u3002\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u5f8c\u306e\u5019\u88dc\u3092\u4f7f\u3063\u3066LLM\u304c\u751f\u6210\u3057\u305f\u56de\u7b54\u306e\u54c1\u8cea\u306f\u3001\u4eca\u56de\u306f\u8a55\u4fa1\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3 id=\"section-2\" class=\"Heading Title Title--m\">\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u4ed5\u7d44\u307f<\/h3>\n<p>\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306f\u3001\u6587\u66f8\u3092\u4e8b\u524d\u306b\u30d9\u30af\u30c8\u30eb\u5316\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u5165\u308c\u3066\u304a\u304d\u3001\u8cea\u554f\u3082\u30d9\u30af\u30c8\u30eb\u5316\u3057\u3066\u8fd1\u3044\u3082\u306e\u3092\u63a2\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002\u6587\u66f8\u5074\u306e\u8a08\u7b97\u306f\u767b\u9332\u6642\u306b\u6e08\u3093\u3067\u3044\u308b\u305f\u3081\u3001\u6570\u4e07\u4ef6\u304c\u76f8\u624b\u3067\u3082\u4e00\u77ac\u3067\u4e0a\u4f4d\u6570\u5341\u4ef6\u3092\u53d6\u308a\u51fa\u305b\u307e\u3059\u3002\u305d\u306e\u4ee3\u308f\u308a\u3001\u8cea\u554f\u3068\u6587\u66f8\u306f\u6700\u5f8c\u307e\u3067\u5225\u3005\u306b\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3092\u5358\u72ec\u3067\u30d9\u30af\u30c8\u30eb\u306b\u5909\u63db\u3057\u3001\u305d\u306e\u30d9\u30af\u30c8\u30eb\u540c\u58eb\u306e\u8ddd\u96e2\u3092\u6bd4\u3079\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u300c\u3053\u306e\u8cea\u554f\u306b\u5bfe\u3057\u3066\u3053\u306e\u6587\u66f8\u306f\u7b54\u3048\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u300d\u3092\u7a81\u304d\u5408\u308f\u305b\u3066\u8aad\u3093\u3067\u306f\u3044\u307e\u305b\u3093\u3002\u8a71\u984c\u306f\u5408\u3063\u3066\u3044\u308b\u306e\u306b\u7b54\u3048\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u6587\u66f8\u304c\u4e0a\u4f4d\u3078\u6765\u308b\u306e\u306f\u3001\u3053\u306e\u305f\u3081\u3067\u3059\u3002<br \/>\n\u7cbe\u5ea6\u3092\u4e0a\u3052\u308b\u306a\u3089\u3001\u8cea\u554f\u3068\u6587\u66f8\u30921\u3064\u306e\u5165\u529b\u3068\u3057\u3066\u307e\u3068\u3081\u3066\u8aad\u307e\u305b\u3001\u95a2\u9023\u5ea6\u3092\u5224\u5b9a\u3055\u305b\u308b\u307b\u3046\u304c\u78ba\u5b9f\u3067\u3059\u3002\u305f\u3060\u3057\u3053\u306e\u65b9\u5f0f\u306f\u3001\u8cea\u554f\u304c\u6765\u3066\u304b\u3089\u6587\u66f81\u4ef6\u305a\u3064\u306b\u8a08\u7b97\u3092\u8d70\u3089\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u6570\u4e07\u4ef6\u3092\u76f8\u624b\u306b\u3059\u308b\u3068\u307e\u3063\u305f\u304f\u9593\u306b\u5408\u3044\u307e\u305b\u3093\u3002<br \/>\n\u305d\u3053\u3067\u51e6\u7406\u30922\u6bb5\u968e\u306b\u5206\u3051\u307e\u3059\u3002\u307e\u305a\u9ad8\u901f\u306a\u691c\u7d22\u3067\u5019\u88dc\u3092\u6570\u5341\u4ef6\u3078\u7d5e\u308a\u8fbc\u307f\u3001\u6b21\u306b\u305d\u306e\u5019\u88dc\u3060\u3051\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3001\u8cea\u554f\u3068\u6587\u66f8\u306e\u30da\u30a2\u3092\u4e01\u5be7\u306b\u8a55\u4fa1\u3057\u76f4\u3057\u3001\u9806\u4f4d\u3092\u4ed8\u3051\u66ff\u3048\u307e\u3059\u3002\u3053\u306e\u5f8c\u534a\u306e\u5de5\u7a0b\u3092\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3068\u547c\u3073\u307e\u3059\u3002\u5bfe\u8c61\u304c\u6570\u5341\u4ef6\u306b\u9650\u3089\u308c\u3066\u3044\u308b\u305f\u3081\u30011\u4ef6\u305a\u3064\u8aad\u3080\u65b9\u5f0f\u3067\u3082\u73fe\u5b9f\u7684\u306a\u6642\u9593\u3067\u7d42\u308f\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/bedrock-rerank-rag-comparison-overview.png\" alt=\"\u691c\u7d22\u3067\u5019\u88dc\u3092\u96c6\u3081\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u4e26\u3079\u76f4\u3057\u3066\u304b\u3089\u4e0a\u4f4dK\u4ef6\u3092LLM\u3078\u6e21\u3059\u6d41\u308c\" class=\"content_img\" \/><\/p>\n<div class=\"Image-caption\">\u691c\u7d22\u3067\u5019\u88dcN\u4ef6\u3092\u96c6\u3081\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u4e26\u3079\u76f4\u3057\u3066\u304b\u3089\u4e0a\u4f4dK\u4ef6\u3060\u3051\u3092LLM\u3078\u6e21\u3059<\/div>\n<h4 id=\"section-2-1\" class=\"Heading Title Title--s\">\u306a\u305c\u5019\u88dc\u3092\u5168\u90e8LLM\u306b\u6e21\u3055\u306a\u3044\u306e\u304b<\/h4>\n<p>\u5019\u88dc\u304c\u6570\u5341\u4ef6\u3067\u6e08\u3080\u306a\u3089\u3001\u4e26\u3079\u76f4\u3055\u305a\u306b\u5168\u90e8LLM\u3078\u6e21\u3057\u3066\u3057\u307e\u3048\u3070\u3088\u3055\u305d\u3046\u3067\u3059\u3002\u9806\u4f4d\u304c\u591a\u5c11\u305a\u308c\u3066\u3044\u3066\u3082\u3001\u5fc5\u8981\u306a\u6587\u66f8\u3055\u3048\u5165\u529b\u306b\u5165\u3063\u3066\u3044\u308c\u3070\u7b54\u3048\u306f\u4f5c\u308c\u307e\u3059\u3002<br \/>\n\u6e21\u3059\u4ef6\u6570\u3092\u7d5e\u308b\u7406\u7531\u306e\u4e00\u3064\u304c\u3001\u6599\u91d1\u3067\u3059\u3002\u691c\u7d22\u7d50\u679c\u306f\u305d\u306e\u307e\u307eLLM\u306e\u5165\u529b\u30c8\u30fc\u30af\u30f3\u306b\u306a\u308b\u305f\u3081\u3001\u4ef6\u6570\u304c\u5f93\u91cf\u8ab2\u91d1\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<br \/>\n\u4eee\u306b\u30011\u30c1\u30e3\u30f3\u30af\u30921,000\u30c8\u30fc\u30af\u30f3\u3001\u5165\u529b\u306e\u5358\u4fa1\u30921,000\u30c8\u30fc\u30af\u30f3\u3042\u305f\u308a0.001\u30c9\u30eb\u3068\u3057\u3066\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002\u30c1\u30e3\u30f3\u30af\u306e\u5927\u304d\u3055\u306fKnowledge Base\u306a\u3069\u3067\u8a2d\u5b9a\u3067\u304d\u3001\u5358\u4fa1\u306f\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u5909\u308f\u308b\u305f\u3081\u3001\u3053\u3053\u3067\u306f\u8a08\u7b97\u3057\u3084\u3059\u3044\u5024\u3092\u7f6e\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<table class=\"Base-table\">\n<tr>\n<th>LLM\u3078\u6e21\u3059\u4ef6\u6570<\/th>\n<th>\u5165\u529b\u30c8\u30fc\u30af\u30f3<\/th>\n<th>1\u8cea\u554f\u3042\u305f\u308a<\/th>\n<th>\u67081\u4e07\u30af\u30a8\u30ea<\/th>\n<\/tr>\n<tr>\n<td>5\u4ef6<\/td>\n<td>5,000<\/td>\n<td>0.005\u30c9\u30eb<\/td>\n<td>50\u30c9\u30eb<\/td>\n<\/tr>\n<tr>\n<td>20\u4ef6<\/td>\n<td>20,000<\/td>\n<td>0.02\u30c9\u30eb<\/td>\n<td>200\u30c9\u30eb<\/td>\n<\/tr>\n<\/table>\n<p>\u4ef6\u6570\u30924\u500d\u306b\u3059\u308c\u3070\u3001\u5165\u529b\u306e\u6599\u91d1\u3082\u305d\u306e\u307e\u307e4\u500d\u306b\u306a\u308a\u307e\u3059\u30021\u56de\u3042\u305f\u308a\u3067\u306f\u5c0f\u3055\u306a\u984d\u3067\u3082\u3001\u554f\u3044\u5408\u308f\u305b\u304c\u7a4d\u307f\u4e0a\u304c\u308b\u7528\u9014\u3067\u306f\u5dee\u304c\u52b9\u3044\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3082\u30e2\u30c7\u30eb\u3092\u547c\u3076\u51e6\u7406\u3067\u3059\u3002\u305d\u308c\u306a\u3089\u6599\u91d1\u306f\u5909\u308f\u3089\u306a\u3044\u306f\u305a\u3067\u3059\u304c\u3001\u8ab2\u91d1\u306e\u5358\u4f4d\u304c\u9055\u3044\u307e\u3059\u3002\u30ea\u30e9\u30f3\u30ab\u30fc\u306f\u56de\u7b54\u3092\u751f\u6210\u305b\u305a\u3001\u8cea\u554f\u3068\u6587\u66f8\u306e\u95a2\u9023\u5ea6\u3092\u8fd4\u3059\u3060\u3051\u3067\u3001\u6599\u91d1\u306f\u51e6\u7406\u3057\u305f\u30c8\u30fc\u30af\u30f3\u91cf\u3067\u306f\u306a\u304f\u547c\u3073\u51fa\u3057\u56de\u6570\u3067\u6c7a\u307e\u308a\u307e\u3059\u300220\u4ef6\u3092\u6e21\u3057\u3066\u3082\u30011\u56de\u306e\u547c\u3073\u51fa\u3057\u3068\u3057\u3066\u6570\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\nBedrock\u306e\u30ea\u30e9\u30f3\u30ab\u30fc\u306e\u6599\u91d1\u306f1,000\u30af\u30a8\u30ea\u3042\u305f\u308a1\u30c9\u30eb\u304b\u30892\u30c9\u30eb\u3001\u3064\u307e\u308a1\u8cea\u554f\u3042\u305f\u308a0.001\u30c9\u30eb\u304b\u30890.002\u30c9\u30eb\u3067\u3059\uff08\u5185\u8a33\u306f\u5f8c\u8ff0\u3057\u307e\u3059\uff09\u3002\u4e0a\u306e\u8868\u306b\u3042\u308b20\u4ef6\u5206\u306e0.02\u30c9\u30eb\u3068\u6bd4\u3079\u308b\u3068\u30011\u6841\u5c0f\u3055\u3044\u984d\u3067\u3059\u300220\u4ef6\u3092\u305d\u306e\u307e\u307e\u6e21\u3059\u4ee3\u308f\u308a\u306b\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u631f\u3093\u30675\u4ef6\u3078\u7d5e\u308c\u3070\u30011\u8cea\u554f\u3042\u305f\u308a0.006\u30c9\u30eb\u304b\u30890.007\u30c9\u30eb\u306b\u53ce\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u6e21\u3059\u4ef6\u6570\u3092\u7d5e\u308b\u3068\u3044\u3046\u524d\u63d0\u304c\u3042\u308b\u4ee5\u4e0a\u3001\u305d\u306e\u5c11\u6570\u67a0\u306b\u4f55\u3092\u5165\u308c\u308b\u304b\u3068\u3044\u3046\u3001\u9806\u4f4d\u306e\u554f\u984c\u304c\u6b8b\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"section-2-2\" class=\"Heading Title Title--s\">\u4e26\u3079\u76f4\u3057\u306e4\u3064\u306e\u65b9\u6cd5<\/h4>\n<p>\u4e26\u3079\u76f4\u3057\u306e\u624b\u6bb5\u306f\u3001\u5c02\u7528\u30e2\u30c7\u30eb\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6c4e\u7528\u306eLLM\u306b\u9806\u4f4d\u4ed8\u3051\u3092\u3055\u305b\u308b\u65b9\u6cd5\u3084\u3001\u66f4\u65b0\u65e5\u306a\u3069\u306e\u696d\u52d9\u30eb\u30fc\u30eb\u3092\u9806\u4f4d\u306b\u53cd\u6620\u3055\u305b\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<table class=\"Base-table\">\n<tr>\n<th>\u65b9\u6cd5<\/th>\n<th>\u4f55\u3092\u6839\u62e0\u306b\u4e26\u3079\u76f4\u3059\u304b<\/th>\n<th>\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u30fb\u30e2\u30c7\u30eb<\/th>\n<th>\u4e3b\u306a\u7528\u9014<\/th>\n<\/tr>\n<tr>\n<td>\u5c02\u7528\u30e2\u30c7\u30eb\uff08\u4eca\u56de\u306e\u691c\u8a3c\u5bfe\u8c61\uff09<\/td>\n<td>\u8cea\u554f\u3068\u6587\u66f8\u306e\u30da\u30a2\u3092\u5165\u529b\u3057\u3001\u95a2\u9023\u5ea6\u30b9\u30b3\u30a2\u3092\u7b97\u51fa\u3059\u308b<\/td>\n<td>Amazon Bedrock Rerank API\uff08Amazon Rerank 1.0\u3001Cohere Rerank 3.5\uff09<\/td>\n<td>\u7279\u5b9a\u306e\u696d\u52d9\u6761\u4ef6\u304c\u306a\u304f\u3001\u95a2\u9023\u5ea6\u305d\u306e\u3082\u306e\u3092\u5e95\u4e0a\u3052\u3057\u305f\u3044\u5834\u5408<\/td>\n<\/tr>\n<tr>\n<td>\u6c4e\u7528LLM<\/td>\n<td>\u5019\u88dc\u6587\u66f8\u3092\u307e\u3068\u3081\u3066\u6e21\u3057\u3001\u6307\u793a\u3057\u305f\u57fa\u6e96\u3067\u9806\u4f4d\u3092\u4ed8\u3051\u3055\u305b\u308b<\/td>\n<td>Claude\u3001Amazon Nova\u306a\u3069\u306eLLM\u306b\u3001\u9806\u4f4d\u4ed8\u3051\u3092\u6307\u793a\u3059\u308b\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4e0e\u3048\u308b<\/td>\n<td>\u300c\u6700\u65b0\u306e\u624b\u9806\u3092\u512a\u5148\u300d\u306a\u3069\u3001\u4e26\u3079\u66ff\u3048\u306e\u57fa\u6e96\u3092\u8a00\u8449\u3067\u66f8\u304d\u305f\u3044\u5834\u5408<\/td>\n<\/tr>\n<tr>\n<td>\u30eb\u30fc\u30eb\u30fb\u91cd\u307f\u4ed8\u3051<\/td>\n<td>\u66f4\u65b0\u65e5\u306e\u65b0\u3057\u3055\u3001\u516c\u5f0f\u6587\u66f8\u304b\u3069\u3046\u304b\u3001\u5728\u5eab\u306e\u6709\u7121\u306a\u3069\u3092\u30b9\u30b3\u30a2\u306b\u53cd\u6620\u3059\u308b<\/td>\n<td>\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30b9\u30b3\u30a2\u8abf\u6574\u6a5f\u80fd\uff08OpenSearch\u306efunction_score\u306a\u3069\uff09\u3084\u3001\u81ea\u524d\u306e\u30b9\u30b3\u30a2\u8a08\u7b97<\/td>\n<td>\u696d\u52d9\u8981\u4ef6\u304c\u660e\u78ba\u3067\u3001\u95a2\u9023\u5ea6\u4ee5\u5916\u306e\u6761\u4ef6\u304c\u9806\u4f4d\u3092\u5de6\u53f3\u3059\u308b\u5834\u5408<\/td>\n<\/tr>\n<tr>\n<td>\u8907\u6570\u306e\u691c\u7d22\u9806\u4f4d\u306e\u7d71\u5408\uff08RRF\u306a\u3069\uff09<\/td>\n<td>\u5225\u3005\u306e\u691c\u7d22\u7d50\u679c\u306e\u9806\u4f4d\u305d\u306e\u3082\u306e\u3092\u8db3\u3057\u5408\u308f\u305b\u308b<\/td>\n<td>RRF\uff08Reciprocal Rank Fusion\uff09\u3002Azure AI Search\u306e\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u691c\u7d22\u306a\u3069\u304c\u63a1\u7528\u3057\u3066\u3044\u308b<\/td>\n<td>BM25\u306b\u3088\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u691c\u7d22\u3068\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3092\u4f75\u7528\u3059\u308b\u69cb\u6210<\/td>\n<\/tr>\n<\/table>\n<p>\u6700\u5f8c\u306e\u884c\u3060\u3051\u306f\u6027\u8cea\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u9806\u4f4d\u7d71\u5408\u306f\u3001\u8907\u6570\u306e\u691c\u7d22\u7d50\u679c\u30921\u672c\u306e\u30ea\u30b9\u30c8\u306b\u307e\u3068\u3081\u308b\u51e6\u7406\u3067\u3042\u3063\u3066\u3001\u8cea\u554f\u3068\u6587\u66f8\u306e\u95a2\u9023\u5ea6\u3092\u6e2c\u308a\u76f4\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u72ed\u3044\u610f\u5473\u3067\u306e\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3068\u306f\u5206\u3051\u3066\u8003\u3048\u305f\u307b\u3046\u304c\u6574\u7406\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/bedrock-rerank-rag-comparison-methods.png\" alt=\"\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e4\u3064\u306e\u3084\u308a\u65b9\u3068\u3001\u9806\u4f4d\u7d71\u5408\u3092\u5206\u3051\u3066\u793a\u3057\u305f\u5206\u985e\u56f3\" class=\"content_img\" \/><\/p>\n<div class=\"Image-caption\">\u5c02\u7528\u30e2\u30c7\u30eb\u30fb\u6c4e\u7528LLM\u30fb\u30eb\u30fc\u30eb\u306e3\u3064\u306f\u95a2\u9023\u5ea6\u3084\u6761\u4ef6\u3092\u8a55\u4fa1\u3057\u76f4\u3059\u306e\u306b\u5bfe\u3057\u3001\u9806\u4f4d\u7d71\u5408\u306f\u8907\u6570\u306e\u691c\u7d22\u7d50\u679c\u3092\u307e\u3068\u3081\u308b\u51e6\u7406\u306b\u3042\u305f\u308b<\/div>\n<h4 id=\"section-2-3\" class=\"Heading Title Title--s\">\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u691c\u7d22\u3068\u306e\u95a2\u4fc2<\/h4>\n<p>\u30ad\u30fc\u30ef\u30fc\u30c9\u691c\u7d22\u3068\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3092\u4f75\u7528\u3059\u308b\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3067\u306f\u3001\u7d71\u5408\u306e\u554f\u984c\u304c\u907f\u3051\u3089\u308c\u307e\u305b\u3093\u30022\u3064\u306e\u691c\u7d22\u306f\u30b9\u30b3\u30a2\u306e\u5c3a\u5ea6\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u3001\u305d\u306e\u307e\u307e\u6df7\u305c\u3066\u4e26\u3079\u3089\u308c\u306a\u3044\u305f\u3081\u3067\u3059\u3002Azure AI Search\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3082\u3001\u30d5\u30eb\u30c6\u30ad\u30b9\u30c8\u691c\u7d22\u306eBM25\u30b9\u30b3\u30a2\u306f\u4e0a\u9650\u306a\u3057\u3001\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306e\u30b9\u30b3\u30a2\u306f\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u30670.333\u304b\u30891.00\u3068\u3001\u5225\u3005\u306e\u7bc4\u56f2\u3067\u793a\u3055\u308c\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/search\/hybrid-search-ranking\" class=\"Ext\">Hybrid search scoring (RRF)<\/a>\uff09\u3002<br \/>\nRRF\u306f\u3053\u306e\u554f\u984c\u3092\u3001\u30b9\u30b3\u30a2\u306e\u5024\u3092\u6368\u3066\u3066\u9806\u4f4d\u3060\u3051\u3067\u8db3\u3057\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u56de\u907f\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u300c\u7247\u65b9\u30673\u4f4d\u3001\u3082\u3046\u7247\u65b9\u30677\u4f4d\u300d\u3068\u3044\u3046\u4f4d\u7f6e\u306e\u60c5\u5831\u3057\u304b\u4f7f\u308f\u306a\u3044\u305f\u3081\u3001\u305d\u306e\u6587\u66f8\u304c\u5b9f\u969b\u306b\u3069\u308c\u3060\u3051\u8cea\u554f\u306b\u7b54\u3048\u3066\u3044\u308b\u304b\u306f\u898b\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u30ea\u30e9\u30f3\u30ab\u30fc\u306f\u5225\u306e\u89e3\u304d\u65b9\u3092\u3057\u307e\u3059\u3002\u4e21\u65b9\u306e\u691c\u7d22\u7d50\u679c\u3092\u307e\u3068\u3081\u3066\u6e21\u305b\u3070\u3001\u7531\u6765\u306b\u95a2\u4fc2\u306a\u304f\u540c\u3058\u57fa\u6e96\u3067\u63a1\u70b9\u3057\u76f4\u3055\u308c\u3001\u6bd4\u8f03\u3067\u304d\u308b1\u672c\u306e\u30b9\u30b3\u30a2\u304c\u4ed8\u304d\u307e\u3059\u3002\u5b9f\u969b\u3001Azure AI Search\u3067\u3082\u30bb\u30de\u30f3\u30c6\u30a3\u30c3\u30af\u30e9\u30f3\u30ab\u30fc\u306f\u3001RRF\u3067\u7d71\u5408\u3057\u305f\u5f8c\u6bb5\u306b\u7f6e\u304b\u308c\u308b\u8a2d\u8a08\u3067\u3059\u3002<br \/>\n\u3053\u306e\u8a18\u4e8b\u306e\u691c\u8a3c\u306f\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3060\u3051\u3092\u4f7f\u3063\u305f\u69cb\u6210\u306a\u306e\u3067\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u69cb\u6210\u3067\u3069\u308c\u3060\u3051\u5dee\u304c\u51fa\u308b\u304b\u306f\u6e2c\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u3001\u7d71\u5408\u306e\u57fa\u6e96\u3092\u305d\u308d\u3048\u3089\u308c\u308b\u3068\u3044\u3046\u6027\u8cea\u4e0a\u3001\u5358\u4e00\u306e\u691c\u7d22\u306b\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u8db3\u3059\u5834\u5408\u3088\u308a\u52b9\u304d\u3084\u3059\u3044\u5834\u9762\u3060\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u6bd4\u8f03\u3059\u308b\u306e\u306f\u3001\u3053\u306e\u3046\u3061\u5c02\u7528\u30e2\u30c7\u30eb\u306b\u3088\u308b\u95a2\u9023\u5ea6\u306e\u518d\u8a55\u4fa1\u3060\u3051\u3067\u3059\u3002Amazon Bedrock\u3067\u306f\u3001Rerank API\u3092\u76f4\u63a5\u547c\u3076\u65b9\u6cd5\u3068\u3001Knowledge Bases\u306e<span class=\"Post-inline\">Retrieve<\/span>\uff0f<span class=\"Post-inline\">RetrieveAndGenerate<\/span>\u304b\u3089\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\uff08<a href=\"https:\/\/docs.aws.amazon.com\/bedrock\/latest\/userguide\/rerank.html\" class=\"Ext\">\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\uff09\u3002<\/p>\n<blockquote class=\"Post-blockquote\"><p>\nAmazon Bedrock provides access to reranker models that you can use when querying to improve the relevance of the retrieved results. A reranker model calculates the relevance of chunks to a query and reorders the results based on the scores that it calculates.<\/p>\n<div class=\"Source\"><a href=\"https:\/\/docs.aws.amazon.com\/bedrock\/latest\/userguide\/rerank.html\" class=\"Ext\">Improve the relevance of query responses with a reranker model in Amazon Bedrock<\/a><\/div>\n<\/blockquote>\n<p>\u3064\u307e\u308a\u3001\u30ea\u30e9\u30f3\u30ab\u30fc\u30e2\u30c7\u30eb\u306f\u8cea\u554f\u306b\u5bfe\u3059\u308b\u5404\u30c1\u30e3\u30f3\u30af\u306e\u95a2\u9023\u5ea6\u3092\u8a08\u7b97\u3057\u3001\u305d\u306e\u30b9\u30b3\u30a2\u306b\u3082\u3068\u3065\u3044\u3066\u691c\u7d22\u7d50\u679c\u3092\u4e26\u3079\u66ff\u3048\u308b\u3001\u3068\u3044\u3046\u8aac\u660e\u3067\u3059\u3002<br \/>\n\u5229\u7528\u3067\u304d\u308b\u30e2\u30c7\u30eb\u306f\u3001Amazon Rerank 1.0\uff08<span class=\"Post-inline\">amazon.rerank-v1:0<\/span>\uff09\u3068Cohere Rerank 3.5\uff08<span class=\"Post-inline\">cohere.rerank-v3-5:0<\/span>\uff09\u306e2\u3064\u3067\u3059\u3002\u5bfe\u5fdc\u30ea\u30fc\u30b8\u30e7\u30f3\u306f\u9650\u3089\u308c\u3066\u304a\u308a\u3001Amazon Rerank 1.0\u304cap-northeast-1\u30fbca-central-1\u30fbeu-central-1\u30fbus-west-2\u3001Cohere Rerank 3.5\u306f\u3053\u308c\u306bus-east-1\u304c\u52a0\u308f\u308a\u307e\u3059\uff082026\u5e749\u670817\u65e5\u78ba\u8a8d\u3001<a href=\"https:\/\/docs.aws.amazon.com\/bedrock\/latest\/userguide\/rerank-supported.html\" class=\"Ext\">Supported Regions and models for reranking<\/a>\uff09\u3002<\/p>\n<h3 id=\"section-3\" class=\"Heading Title Title--m\">\u691c\u8a3c\uff1a\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u6709\u7121\u30682\u30e2\u30c7\u30eb\u306e\u6bd4\u8f03<\/h3>\n<p>\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u52b9\u679c\u3060\u3051\u3092\u53d6\u308a\u51fa\u3059\u305f\u3081\u3001\u691c\u7d22\u306e\u90e8\u5206\u306f\u81ea\u4f5c\u306e\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306b\u305d\u308d\u3048\u307e\u3057\u305f\u3002Knowledge Base\u3092\u4f7f\u3046\u3068\u30c1\u30e3\u30f3\u30af\u5206\u5272\u3084\u691c\u7d22\u30b9\u30b3\u30a2\u306e\u8a73\u7d30\u304c\u898b\u3048\u306b\u304f\u304f\u306a\u308a\u3001\u3069\u3053\u304c\u52b9\u3044\u305f\u306e\u304b\u5207\u308a\u5206\u3051\u306b\u304f\u304f\u306a\u308b\u305f\u3081\u3067\u3059\u3002Knowledge Base\u3092\u4f7f\u3063\u305f\u69cb\u7bc9\u305d\u306e\u3082\u306e\u306f\u3001\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u6271\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<a class=\"Internal-post\" href=\"https:\/\/techfun.cc\/generative-ai\/bedrock-knowledge-base-quick-start-rag.html\"><div class=\"Internal-post__thumb\" style=\"background: url(\/wp-content\/uploads\/2026\/02\/bedrock-knowledge-base-quick-start-rag-scaled.png) no-repeat; background-size: cover; background-position: 50% 50%;\"><\/div><div class=\"Internal-post-content\"><div class=\"Category Category--generative-ai\"> \u751f\u6210AI\u95a2\u9023<\/div><div class=\"Internal-post__title\">Amazon Bedrock Knowledge Base \u00d7 S3 Vectors\u3067RAG\u3092\u4f5c\u3063\u3066\u2026<\/div><\/div><\/a>\n<h4 id=\"section-3-1\" class=\"Heading Title Title--s\">\u6587\u66f8\u30fb\u8cea\u554f\u30fb\u6b63\u89e3\u306e\u5b9a\u7fa9<\/h4>\n<p>\u691c\u7d22\u5bfe\u8c61\u306b\u306f\u3001\u81ea\u793e\u30d6\u30ed\u30b0 Tech Fun Magazine\u306e\u904e\u53bb\u8a18\u4e8b81\u672c\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002\u5404\u8a18\u4e8b\u3092<span class=\"Post-inline\">##<\/span>\u898b\u51fa\u3057\u5358\u4f4d\u3067\u5206\u5272\u3057\u3001\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u30fb\u753b\u50cf\u30fb\u5185\u90e8\u30ea\u30f3\u30af\u306e\u30b7\u30e7\u30fc\u30c8\u30b3\u30fc\u30c9\u3092\u9664\u3044\u305f\u3046\u3048\u3067\u3001200\u6587\u5b57\u672a\u6e80\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u6368\u3066\u3066636\u30c1\u30e3\u30f3\u30af\u306b\u3057\u3066\u3044\u307e\u3059\u30021\u30c1\u30e3\u30f3\u30af\u306f\u5e73\u5747860\u6587\u5b57\u3001\u30c8\u30fc\u30af\u30f3\u6570\u3067\u306f\u5e73\u5747628\u3001\u6700\u59271,517\u3067\u3057\u305f\u3002<br \/>\n\u8cea\u554f\u306f30\u554f\u3067\u3059\u3002636\u30c1\u30e3\u30f3\u30af\u306e\u3046\u306130\u4ef6\u3092\u5225\u3005\u306e\u8a18\u4e8b\u304b\u3089\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u3068\u3057\u3066\u9078\u3073\u3001\u305d\u306e\u5185\u5bb9\u3092\u8aad\u3093\u3060\u3046\u3048\u3067\u3001\u672c\u6587\u306e\u8a00\u3044\u56de\u3057\u3092\u305d\u306e\u307e\u307e\u4f7f\u308f\u306a\u3044\u81ea\u7136\u306a\u8cea\u554f\u6587\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002\u305f\u3068\u3048\u3070\u300cS3 Vectors \u306e\u5236\u9650\u4ed5\u69d8\u3092\u78ba\u8a8d\u3059\u308b\u300d\u3068\u3044\u3046\u30c1\u30e3\u30f3\u30af\u306b\u5bfe\u3057\u3066\u306f\u3001\u300cS3 Vectors\u3067\u3001\u7d5e\u308a\u8fbc\u307f\u6761\u4ef6\u306b\u4f7f\u3048\u308b\u4ed8\u52a0\u60c5\u5831\u306e\u5bb9\u91cf\u4e0a\u9650\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\u300d\u3068\u3044\u3046\u5f62\u3067\u3059\u3002<br \/>\n\u6b63\u89e3\u306f\u5404\u8cea\u554f\u306b\u3064\u304d1\u30c1\u30e3\u30f3\u30af\u3060\u3051\u3068\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306b\u306f\u540c\u3058\u8a18\u4e8b\u306e\u5225\u306e\u7bc0\u3082\u7b54\u3048\u306e\u4e00\u90e8\u306b\u306a\u308a\u5f97\u307e\u3059\u304c\u3001\u305d\u306e\u5834\u5408\u3082\u4e0d\u6b63\u89e3\u3068\u3057\u3066\u6570\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6271\u3044\u306f\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u6709\u7121\u306b\u304b\u304b\u308f\u3089\u305a\u540c\u3058\u3067\u3059\u3002<\/p>\n<h4 id=\"section-3-2\" class=\"Heading Title Title--s\">\u6e2c\u5b9a\u3059\u308b\u6761\u4ef6<\/h4>\n<p>\u5019\u88dc\u4ef6\u6570N=20\u3068\u63a1\u7528\u4ef6\u6570K=5\u306f\u3001\u3069\u306e\u6761\u4ef6\u3067\u3082\u305d\u308d\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<table class=\"Base-table\">\n<tr>\n<th>\u6761\u4ef6<\/th>\n<th>\u4e0a\u4f4d5\u4ef6\u306e\u4f5c\u308a\u65b9<\/th>\n<\/tr>\n<tr>\n<td>\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306a\u3057<\/td>\n<td>\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3067\u53d6\u5f97\u3057\u305f20\u4ef6\u306e\u3046\u3061\u3001\u305d\u306e\u307e\u307e\u4e0a\u4f4d5\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>Amazon Rerank 1.0<\/td>\n<td>\u540c\u305820\u4ef6\u3092\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3057\u305f\u5f8c\u306e\u4e0a\u4f4d5\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>Cohere Rerank 3.5<\/td>\n<td>\u540c\u305820\u4ef6\u3092\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3057\u305f\u5f8c\u306e\u4e0a\u4f4d5\u4ef6<\/td>\n<\/tr>\n<\/table>\n<p>1\u3064\u306e\u8cea\u554f\u306b\u3064\u304d\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306f1\u56de\u3060\u3051\u5b9f\u884c\u3057\u3001\u305d\u306e\u7d50\u679c\u30923\u6761\u4ef6\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\u5019\u88dc\u306e\u4e2d\u8eab\u306e\u9055\u3044\u304c\u7d50\u679c\u306b\u6df7\u3056\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u57cb\u3081\u8fbc\u307f\u30e2\u30c7\u30eb\u306fAmazon Titan Text Embeddings V2\uff081,024\u6b21\u5143\u3001\u6b63\u898f\u5316\u3042\u308a\uff09\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u306fap-northeast-1\u3067\u3059\u3002\u7cbe\u5ea6\u306e\u96c6\u8a08\u3068\u5fdc\u7b54\u6642\u9593\u306e\u6e2c\u5b9a\u3092\u517c\u306d\u3066\u300130\u554f\u3059\u3079\u3066\u30923\u30e9\u30a6\u30f3\u30c9\u7e70\u308a\u8fd4\u3057\u307e\u3057\u305f\u3002<br \/>\n\u8a55\u4fa1\u306b\u306f\u3001\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u304c\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u305f\u5272\u5408\uff08Hit@5\uff09\u3001\u9806\u4f4d\u306e\u9006\u6570\u3092\u5e73\u5747\u3057\u305fMRR@5\u3001\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u305f\u5834\u5408\u306e\u5e73\u5747\u9806\u4f4d\u3092\u4f7f\u3044\u307e\u3059\u3002\u6307\u6a19\u306e\u5b9a\u7fa9\u306f\u4e0b\u8a18\u306e\u8a18\u4e8b\u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<a class=\"Internal-post\" href=\"https:\/\/techfun.cc\/generative-ai\/bedrock-evaluations-knowledge-base-rag.html\"><div class=\"Internal-post__thumb\" style=\"background: url(\/wp-content\/uploads\/2026\/04\/bedrock-evaluations-knowledge-base-rag-scaled.png) no-repeat; background-size: cover; background-position: 50% 50%;\"><\/div><div class=\"Internal-post-content\"><div class=\"Category Category--generative-ai\"> \u751f\u6210AI\u95a2\u9023<\/div><div class=\"Internal-post__title\">Amazon Bedrock Evaluations\u3067RAG\u306e\u691c\u7d22\u7cbe\u5ea6\u3092\u5b9a\u91cf\u8a55\u4fa1\u3057\u3066\u307f\u305f<\/div><\/div><\/a>\n<h4 id=\"section-3-3\" class=\"Heading Title Title--s\">Python\u5b9f\u88c5<\/h4>\n<p>\u691c\u7d22\u3068\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u4e2d\u6838\u306f\u6b21\u306e3\u3064\u306e\u95a2\u6570\u3067\u3059\u3002Rerank API\u306f<span class=\"Post-inline\">bedrock-agent-runtime<\/span>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">rerank_search.py<\/div>\n<pre class=\"Copy\"><code>\r\n&quot;&quot;&quot;\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3068 Amazon Bedrock Rerank API \u306b\u3088\u308b\u4e26\u3079\u66ff\u3048&quot;&quot;&quot;\r\n\r\nimport json\r\nimport os\r\n\r\nimport boto3\r\nimport numpy as np\r\nfrom dotenv import load_dotenv\r\n\r\nload_dotenv()\r\n\r\nREGION = os.environ.get(&quot;AWS_REGION&quot;, &quot;ap-northeast-1&quot;)\r\nEMBED_MODEL = &quot;amazon.titan-embed-text-v2:0&quot;\r\n\r\nruntime = boto3.client(&quot;bedrock-runtime&quot;, region_name=REGION)\r\nagent_runtime = boto3.client(&quot;bedrock-agent-runtime&quot;, region_name=REGION)\r\n\r\n\r\ndef embed(text: str) -&gt; np.ndarray:\r\n    &quot;&quot;&quot;\u30c6\u30ad\u30b9\u30c8\u30921,024\u6b21\u5143\u306e\u6b63\u898f\u5316\u6e08\u307f\u30d9\u30af\u30c8\u30eb\u306b\u5909\u63db\u3059\u308b&quot;&quot;&quot;\r\n    response = runtime.invoke_model(\r\n        modelId=EMBED_MODEL,\r\n        body=json.dumps({&quot;inputText&quot;: text, &quot;dimensions&quot;: 1024, &quot;normalize&quot;: True}),\r\n    )\r\n    embedding = json.loads(response[&quot;body&quot;].read())[&quot;embedding&quot;]\r\n    return np.array(embedding, dtype=np.float32)\r\n\r\n\r\ndef vector_search(query: str, vectors: np.ndarray, n: int) -&gt; list[int]:\r\n    &quot;&quot;&quot;\u8cea\u554f\u3068\u306e\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u304c\u9ad8\u3044\u4e0a\u4f4dN\u4ef6\u306e\u6587\u66f8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059&quot;&quot;&quot;\r\n    scores = vectors @ embed(query)\r\n    return np.argsort(-scores)[:n].tolist()\r\n\r\n\r\ndef rerank(query: str, texts: list[str], k: int, model_id: str) -&gt; list[int]:\r\n    &quot;&quot;&quot;\u5019\u88dc\u30c6\u30ad\u30b9\u30c8\u3092\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3057\u3001\u4e0a\u4f4dK\u4ef6\u304c\u5019\u88dc\u5185\u306e\u4f55\u756a\u76ee\u304b\u3092\u8fd4\u3059&quot;&quot;&quot;\r\n    response = agent_runtime.rerank(\r\n        queries=[{&quot;type&quot;: &quot;TEXT&quot;, &quot;textQuery&quot;: {&quot;text&quot;: query}}],\r\n        sources=[\r\n            {\r\n                &quot;type&quot;: &quot;INLINE&quot;,\r\n                &quot;inlineDocumentSource&quot;: {&quot;type&quot;: &quot;TEXT&quot;, &quot;textDocument&quot;: {&quot;text&quot;: t}},\r\n            }\r\n            for t in texts\r\n        ],\r\n        rerankingConfiguration={\r\n            &quot;type&quot;: &quot;BEDROCK_RERANKING_MODEL&quot;,\r\n            &quot;bedrockRerankingConfiguration&quot;: {\r\n                &quot;numberOfResults&quot;: k,\r\n                &quot;modelConfiguration&quot;: {\r\n                    &quot;modelArn&quot;: f&quot;arn:aws:bedrock:{REGION}::foundation-model\/{model_id}&quot;\r\n                },\r\n            },\r\n        },\r\n    )\r\n    return [result[&quot;index&quot;] for result in response[&quot;results&quot;]]\r\n<\/code><\/pre>\n<p><span class=\"Post-inline\">rerank<\/span>\u304c\u8fd4\u3059\u306e\u306f\u6587\u66f8\u305d\u306e\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u6e21\u3057\u305f\u5019\u88dc\u30ea\u30b9\u30c8\u306e\u4e2d\u3067\u306e\u4f4d\u7f6e\uff08\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u3067\u3059\u3002\u547c\u3073\u51fa\u3057\u5074\u3067\u5143\u306e\u5019\u88dc\u30ea\u30b9\u30c8\u3068\u7a81\u304d\u5408\u308f\u305b\u3066\u3001\u3069\u306e\u6587\u66f8\u304c\u9078\u3070\u308c\u305f\u304b\u3092\u5fa9\u5143\u3057\u307e\u3059\u3002<br \/>\n\u6587\u66f8\u5074\u306e\u57cb\u3081\u8fbc\u307f\u306f\u3001\u691c\u7d22\u306e\u305f\u3073\u306b\u4f5c\u308a\u76f4\u3055\u305a\u4e00\u5ea6\u3060\u3051\u751f\u6210\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">embed_corpus.py<\/div>\n<pre class=\"Copy\"><code>\r\n&quot;&quot;&quot;\u6587\u66f8\u30c1\u30e3\u30f3\u30af\u306e\u57cb\u3081\u8fbc\u307f\u3092\u4f5c\u6210\u3057\u3001data\/embeddings.npy \u306b\u4fdd\u5b58\u3059\u308b&quot;&quot;&quot;\r\n\r\nimport json\r\nimport pathlib\r\n\r\nimport numpy as np\r\n\r\nfrom rerank_search import embed\r\n\r\nDATA = pathlib.Path(__file__).parent \/ &quot;data&quot;\r\n\r\ndocuments = json.loads((DATA \/ &quot;documents.json&quot;).read_text(encoding=&quot;utf-8&quot;))\r\nvectors = []\r\nfor i, document in enumerate(documents, start=1):\r\n    vectors.append(embed(document[&quot;text&quot;]))\r\n    if i % 100 == 0:\r\n        print(f&quot;{i}\/{len(documents)}&quot;)\r\n\r\nnp.save(DATA \/ &quot;embeddings.npy&quot;, np.vstack(vectors))\r\nprint(f&quot;saved: {len(documents)} vectors&quot;)\r\n<\/code><\/pre>\n<p>\u6bd4\u8f03\u672c\u4f53\u306f\u6b21\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306e\u6240\u8981\u6642\u9593\u3068\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u6240\u8981\u6642\u9593\u3092\u5225\u3005\u306b\u6e2c\u308a\u3001\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u304c\u4e0a\u4f4d5\u4ef6\u306e\u4f55\u756a\u76ee\u306b\u6765\u305f\u304b\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">run_eval.py<\/div>\n<pre class=\"Copy\"><code>\r\n&quot;&quot;&quot;\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306a\u3057\uff0f\u3042\u308a\uff082\u30e2\u30c7\u30eb\uff09\u3067\u691c\u7d22\u7cbe\u5ea6\u3068\u5fdc\u7b54\u6642\u9593\u3092\u6bd4\u8f03\u3059\u308b&quot;&quot;&quot;\r\n\r\nimport json\r\nimport pathlib\r\nimport time\r\n\r\nimport numpy as np\r\n\r\nfrom rerank_search import rerank, vector_search\r\n\r\nDATA = pathlib.Path(__file__).parent \/ &quot;data&quot;\r\nN, K, ROUNDS = 20, 5, 3\r\nCONDITIONS = [\r\n    (&quot;none&quot;, None),\r\n    (&quot;amazon&quot;, &quot;amazon.rerank-v1:0&quot;),\r\n    (&quot;cohere&quot;, &quot;cohere.rerank-v3-5:0&quot;),\r\n]\r\n\r\ndocuments = json.loads((DATA \/ &quot;documents.json&quot;).read_text(encoding=&quot;utf-8&quot;))\r\nquestions = json.loads((DATA \/ &quot;questions.json&quot;).read_text(encoding=&quot;utf-8&quot;))\r\nvectors = np.load(DATA \/ &quot;embeddings.npy&quot;)\r\n\r\nrecords = []\r\nfor round_no in range(1, ROUNDS + 1):\r\n    for question in questions:\r\n        started = time.perf_counter()\r\n        candidates = vector_search(question[&quot;question&quot;], vectors, N)\r\n        search_ms = (time.perf_counter() - started) * 1000\r\n\r\n        for condition, model_id in CONDITIONS:\r\n            started = time.perf_counter()\r\n            if model_id is None:\r\n                top_k = candidates[:K]\r\n            else:\r\n                order = rerank(\r\n                    question[&quot;question&quot;],\r\n                    [documents[i][&quot;text&quot;] for i in candidates],\r\n                    K,\r\n                    model_id,\r\n                )\r\n                top_k = [candidates[i] for i in order]\r\n            rerank_ms = (time.perf_counter() - started) * 1000\r\n\r\n            gold_ids = [documents[i][&quot;id&quot;] for i in top_k]\r\n            rank = gold_ids.index(question[&quot;gold_id&quot;]) + 1 if question[&quot;gold_id&quot;] in gold_ids else None\r\n            records.append({\r\n                &quot;round&quot;: round_no,\r\n                &quot;qid&quot;: question[&quot;qid&quot;],\r\n                &quot;condition&quot;: condition,\r\n                &quot;rank&quot;: rank,\r\n                &quot;search_ms&quot;: round(search_ms, 1),\r\n                &quot;rerank_ms&quot;: round(rerank_ms, 1),\r\n                &quot;top_k_ids&quot;: gold_ids,\r\n            })\r\n        print(f&quot;round {round_no} {question[&#x27;qid&#x27;]} done&quot;)\r\n\r\n(DATA \/ &quot;results.json&quot;).write_text(\r\n    json.dumps(records, ensure_ascii=False, indent=2), encoding=&quot;utf-8&quot;\r\n)\r\nprint(f&quot;saved: {len(records)} records&quot;)\r\n<\/code><\/pre>\n<h3 id=\"section-4\" class=\"Heading Title Title--m\">\u691c\u8a3c\u7d50\u679c<\/h3>\n<h4 id=\"section-4-1\" class=\"Heading Title Title--s\">\u691c\u7d22\u7cbe\u5ea6<\/h4>\n<p>30\u554f\u306e\u7d50\u679c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u30023\u30e9\u30a6\u30f3\u30c9\u7e70\u308a\u8fd4\u3057\u307e\u3057\u305f\u304c\u3001\u3069\u306e\u8cea\u554f\u3082\u9806\u4f4d\u306f1\u5ea6\u3082\u5909\u308f\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u8868\u306f30\u554f\u3092\u5206\u6bcd\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table class=\"Base-table\">\n<tr>\n<th>\u6761\u4ef6<\/th>\n<th>Hit@5<\/th>\n<th>MRR@5<\/th>\n<th>\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u305f\u5834\u5408\u306e\u5e73\u5747\u9806\u4f4d<\/th>\n<th>\u6b63\u89e3\u304c1\u4f4d\u3060\u3063\u305f\u8cea\u554f<\/th>\n<\/tr>\n<tr>\n<td>\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306a\u3057<\/td>\n<td>0.867\uff0826\/30\uff09<\/td>\n<td>0.679<\/td>\n<td>1.81<\/td>\n<td>18\u554f<\/td>\n<\/tr>\n<tr>\n<td>Amazon Rerank 1.0<\/td>\n<td>0.900\uff0827\/30\uff09<\/td>\n<td>0.789<\/td>\n<td>1.30<\/td>\n<td>21\u554f<\/td>\n<\/tr>\n<tr>\n<td>Cohere Rerank 3.5<\/td>\n<td>0.900\uff0827\/30\uff09<\/td>\n<td>0.803<\/td>\n<td>1.30<\/td>\n<td>22\u554f<\/td>\n<\/tr>\n<\/table>\n<p>Hit@5\u306f26\u554f\u304b\u308927\u554f\u306b\u306a\u3063\u305f\u3060\u3051\u3067\u3059\u3002\u300c\u4e0a\u4f4d5\u4ef6\u306b\u5165\u308b\u304b\u3069\u3046\u304b\u300d\u3068\u3044\u3046\u7c97\u3044\u57fa\u6e96\u3067\u898b\u308b\u3068\u3001\u3053\u306e\u691c\u8a3c\u3067\u306e\u6539\u5584\u5e45\u306f\u308f\u305a\u304b\u3067\u3057\u305f\u3002<br \/>\n\u5909\u5316\u304c\u306f\u3063\u304d\u308a\u51fa\u305f\u306e\u306f\u9806\u4f4d\u306e\u307b\u3046\u3067\u3059\u3002\u6b63\u89e3\u304c1\u4f4d\u306b\u6765\u305f\u8cea\u554f\u306f18\u554f\u304b\u308921\u554f\uff08Amazon\uff09\u30fb22\u554f\uff08Cohere\uff09\u3078\u5897\u3048\u3001\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u305f\u3068\u304d\u306e\u5e73\u5747\u9806\u4f4d\u306f1.81\u4f4d\u304b\u30891.30\u4f4d\u3078\u4e0a\u304c\u308a\u307e\u3057\u305f\u3002LLM\u3078\u6e21\u3059\u4ef6\u6570\u3092\u7d5e\u308b\u8a2d\u8a08\u3084\u3001\u5f15\u7528\u5143\u30921\u4ef6\u3060\u3051\u63d0\u793a\u3059\u308b\u8a2d\u8a08\u3067\u306f\u3001\u3053\u306e\u5dee\u304c\u52b9\u3044\u3066\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/bedrock-rerank-rag-comparison-screenshot-summary.png\" alt=\"\u5b9f\u884c\u7d50\u679c\u306e\u30b5\u30de\u30ea\u51fa\u529b\" class=\"content_img\" \/><\/p>\n<div class=\"Image-caption\">\u96c6\u8a08\u7d50\u679c\u306e\u51fa\u529b\u3002\u4e0a\u6bb5\u304c3\u6761\u4ef6\u306e\u7cbe\u5ea6\u3001\u4e2d\u6bb5\u304c\u5fdc\u7b54\u6642\u9593\u3001\u4e0b\u6bb5\u304c\u9806\u4f4d\u306e\u5909\u308f\u3063\u305f\u8cea\u554f\u306e\u4e00\u89a7<\/div>\n<h4 id=\"section-4-2\" class=\"Heading Title Title--s\">\u5fdc\u7b54\u6642\u9593<\/h4>\n<p>\u691c\u7d22\u672c\u4f53\uff08\u30af\u30a8\u30ea\u306e\u57cb\u3081\u8fbc\u307f\u751f\u6210\u3068\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u8a08\u7b97\uff09\u3068\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u5206\u3051\u3066\u6e2c\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u300230\u554f\u30923\u30e9\u30a6\u30f3\u30c9\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u691c\u7d22\u304c90\u56de\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u5404\u30e2\u30c7\u30eb90\u56de\u305a\u3064\u306e\u6e2c\u5b9a\u3067\u3059\u3002<\/p>\n<table class=\"Base-table\">\n<tr>\n<th>\u51e6\u7406<\/th>\n<th>\u4e2d\u592e\u5024<\/th>\n<th>p90<\/th>\n<th>\u6700\u5c0f<\/th>\n<th>\u6700\u5927<\/th>\n<th>1\u79d2\u3092\u8d85\u3048\u305f\u56de\u6570<\/th>\n<\/tr>\n<tr>\n<td>\u691c\u7d22\uff08\u30af\u30a8\u30ea\u57cb\u3081\u8fbc\u307f\uff0b\u985e\u4f3c\u5ea6\u8a08\u7b97\uff09<\/td>\n<td>102.2ms<\/td>\n<td>131.1ms<\/td>\n<td>60.1ms<\/td>\n<td>389.3ms<\/td>\n<td>0\/90<\/td>\n<\/tr>\n<tr>\n<td>Amazon Rerank 1.0\uff08\u8ffd\u52a0\u5206\uff09<\/td>\n<td>622.0ms<\/td>\n<td>898.5ms<\/td>\n<td>486.0ms<\/td>\n<td>18,333.6ms<\/td>\n<td>8\/90<\/td>\n<\/tr>\n<tr>\n<td>Cohere Rerank 3.5\uff08\u8ffd\u52a0\u5206\uff09<\/td>\n<td>202.6ms<\/td>\n<td>264.3ms<\/td>\n<td>170.0ms<\/td>\n<td>1,061.0ms<\/td>\n<td>1\/90<\/td>\n<\/tr>\n<\/table>\n<p>\u691c\u7d22\u305d\u306e\u3082\u306e\u306f102ms\u3067\u7d42\u308f\u308b\u306e\u306b\u5bfe\u3057\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306f\u4e2d\u592e\u5024\u3067203ms\u304b\u3089622ms\u304b\u304b\u308a\u307e\u3059\u3002\u691c\u7d22\u5de5\u7a0b\u306e\u6240\u8981\u6642\u9593\u306f\u3001Cohere\u3067\u7d043.0\u500d\u3001Amazon\u3067\u7d047.1\u500d\u306b\u306a\u308b\u8a08\u7b97\u3067\u3059\u3002<br \/>\n\u6ce8\u610f\u3057\u305f\u3044\u306e\u306fAmazon Rerank 1.0\u306e\u3070\u3089\u3064\u304d\u3067\u3059\u3002\u4e2d\u592e\u5024\u306f\u30e9\u30a6\u30f3\u30c91\u304b\u30893\u3067677.3ms\u30fb618.3ms\u30fb612.0ms\u3068\u307b\u307c\u4e00\u5b9a\u3067\u3057\u305f\u304c\u30011\u79d2\u3092\u8d85\u3048\u305f\u56de\u6570\u306f4\u56de\u30fb4\u56de\u30fb0\u56de\u3067\u3001\u6700\u5927\u306f18.3\u79d2\u3067\u3057\u305f\u3002\u30e9\u30a6\u30f3\u30c9\u304c\u9032\u3080\u306b\u3064\u308c\u5916\u308c\u5024\u306f\u6e1b\u3063\u305f\u3082\u306e\u306e\u3001\u5358\u7d14\u306a\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u3067\u306f\u8aac\u660e\u3057\u304d\u308c\u307e\u305b\u3093\u3002\u539f\u56e0\u306f\u7279\u5b9a\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002Cohere Rerank 3.5\u3067\u3082\u30011\u79d2\u3092\u308f\u305a\u304b\u306b\u8d85\u3048\u305f\u56de\u304c1\u5ea6\u3042\u308a\u307e\u3057\u305f\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u304b\u3089\u56de\u7b54\u307e\u3067\u306e\u6642\u9593\u3092\u4fdd\u8a3c\u3057\u305f\u3044\u7528\u9014\u3067\u306f\u3001\u3053\u306e\u88fe\u306e\u9577\u3055\u3092\u898b\u8fbc\u3093\u3060\u8a2d\u8a08\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h4 id=\"section-4-3\" class=\"Heading Title Title--s\">\u8cbb\u7528<\/h4>\n<p>\u5148\u306b\u89e6\u308c\u305f\u3068\u304a\u308a\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u6599\u91d1\u306f\u30af\u30a8\u30ea\u6570\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<blockquote class=\"Post-blockquote\"><p>\nReranking is priced per query. A query is a single call to the reranker model that can contain up to 100 document chunks.<\/p>\n<div class=\"Source\"><a href=\"https:\/\/docs.aws.amazon.com\/bedrock\/latest\/userguide\/rerank-pricing.html\" class=\"Ext\">Pricing and search units<\/a><\/div>\n<\/blockquote>\n<p>\u3064\u307e\u308a\u3001\u8ab2\u91d1\u306e\u5358\u4f4d\u306f\u547c\u3073\u51fa\u30571\u56de\u3067\u3059\u30021\u56de\u306e\u547c\u3073\u51fa\u3057\u306b\u306f\u6587\u66f8\u30c1\u30e3\u30f3\u30af\u3092100\u4ef6\u307e\u3067\u542b\u3081\u3089\u308c\u307e\u3059\u3002<br \/>\nap-northeast-1\u3067\u306e\u5358\u4fa1\u306f\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c1,000\u30af\u30a8\u30ea\u3042\u305f\u308a1\u30c9\u30eb\uff08Amazon Rerank 1.0\uff09\u304b\u30892\u30c9\u30eb\uff08Cohere Rerank 3.5\uff09\u3067\u3059\uff082026\u5e749\u670817\u65e5\u6642\u70b9\uff09\u3002\u6700\u65b0\u306e\u5024\u306f<a href=\"https:\/\/aws.amazon.com\/bedrock\/pricing\/\" class=\"Ext\">Amazon Bedrock\u6599\u91d1\u30da\u30fc\u30b8<\/a>\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u306a\u304a\u3001Cohere Rerank 3.5\u306e\u6599\u91d1\u8868\u306b\u306f\u3001\u6e21\u3057\u305f\u6587\u66f8\u306e\u9577\u3055\u306b\u3088\u3063\u3066\u30af\u30a8\u30ea\u6570\u306e\u6570\u3048\u65b9\u304c\u5909\u308f\u308b\u3068\u3044\u3046\u6ce8\u8a18\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<blockquote class=\"Post-blockquote\"><p>\nYou are charged for number of queries where a query can contain up to 100 document chunks. If the query contains more than 100 document chunks, it is counted as multiple queries. For example, if a request contains 350 documents, it will be treated as 4 queries. Please note that each document can only contain upto 500 tokens (inclusive of the query and document&#x27;s total tokens), and if the token length is higher than 512 tokens, it is broken down into multiple documents.<\/p>\n<div class=\"Source\"><a href=\"https:\/\/aws.amazon.com\/bedrock\/pricing\/\" class=\"Ext\">Amazon Bedrock Pricing<\/a><\/div>\n<\/blockquote>\n<p>\u3064\u307e\u308a\u30011\u56de\u306b\u6e21\u305b\u308b\u6587\u66f8\u306f100\u4ef6\u307e\u3067\u3067\u3001\u305d\u308c\u3092\u8d85\u3048\u308b\u3068\u8907\u6570\u30af\u30a8\u30ea\u3068\u3057\u3066\u6570\u3048\u3089\u308c\u307e\u3059\u3002350\u4ef6\u3092\u6e21\u305b\u30704\u30af\u30a8\u30ea\u5206\u3067\u3059\u3002\u3055\u3089\u306b1\u6587\u66f8\u3042\u305f\u308a\u306e\u30c8\u30fc\u30af\u30f3\u6570\u306b\u3082\u4e0a\u9650\u304c\u3042\u308a\u3001512\u30c8\u30fc\u30af\u30f3\u3092\u8d85\u3048\u308b\u3068\u5185\u90e8\u3067\u8907\u6570\u306e\u6587\u66f8\u3078\u5206\u5272\u3055\u308c\u307e\u3059\u3002\u9577\u3044\u30c1\u30e3\u30f3\u30af\u3092\u6e21\u3059\u307b\u3069\u3001100\u4ef6\u306e\u67a0\u3092\u65e9\u304f\u4f7f\u3044\u5207\u308b\u8a08\u7b97\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u691c\u8a3c\u306b\u4f7f\u3063\u305f\u30c1\u30e3\u30f3\u30af\u306f\u5e73\u5747628\u30c8\u30fc\u30af\u30f3\u306e\u305f\u3081\u3001\u5206\u5272\u5f8c\u308220\u4ef6\u306e\u5019\u88dc\u304c40\u4ef6\u7a0b\u5ea6\u306b\u53ce\u307e\u308a\u30011\u56de\u306e\u547c\u3073\u51fa\u3057\u306f1\u30af\u30a8\u30ea\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u60f3\u5b9a\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u9577\u3044\u30c1\u30e3\u30f3\u30af\u3092\u5927\u91cf\u306b\u6e21\u3059\u8a2d\u8a08\u3067\u306f\u3001\u3053\u306e\u5206\u5272\u306b\u3088\u3063\u3066\u30af\u30a8\u30ea\u6570\u304c\u8df3\u306d\u4e0a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"section-4-4\" class=\"Heading Title Title--s\">\u6539\u5584\u3057\u305f\u4f8b\u3068\u3001\u60aa\u5316\u3057\u305f\u4f8b<\/h4>\n<p>\u96c6\u8a08\u306e\u88cf\u5074\u3067\u4f55\u304c\u8d77\u304d\u3066\u3044\u305f\u304b\u3092\u898b\u308b\u3068\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u5f97\u610f\u306a\u5834\u9762\u3068\u82e6\u624b\u306a\u5834\u9762\u304c\u5206\u304b\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u6539\u5584\u304c\u6700\u3082\u5927\u304d\u304b\u3063\u305f\u8cea\u554f\u3068\u3001\u9006\u306b\u60aa\u5316\u3057\u305f\u8cea\u554f\u306b\u3064\u3044\u3066\u3001\u4e0a\u4f4d5\u4ef6\u306e\u4e2d\u8eab\u3092\u4e26\u3079\u305f\u306e\u304c\u6b21\u306e\u51fa\u529b\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/bedrock-rerank-rag-comparison-screenshot-examples.png\" alt=\"\u6539\u5584\u3057\u305f\u4f8b\u3068\u60aa\u5316\u3057\u305f\u4f8b\u306e\u4e0a\u4f4d5\u4ef6\u306e\u6bd4\u8f03\" class=\"content_img\" \/><\/p>\n<div class=\"Image-caption\">\u4e0a\u304c\u6539\u5584\u3057\u305f\u4f8b\u3001\u4e0b\u304c\u60aa\u5316\u3057\u305f\u4f8b\u3002\u2605\u304c\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u3067\u3001\u5404\u5217\u304c3\u6761\u4ef6\u306e\u4e0a\u4f4d5\u4ef6\u306b\u3042\u305f\u308b<\/div>\n<p>\u6539\u5584\u304c\u6700\u3082\u5927\u304d\u304b\u3063\u305f\u306e\u306f\u3001\u8a18\u4e8b\u5168\u4f53\u306e\u8a71\u984c\u306f\u5408\u3063\u3066\u3044\u308b\u306e\u306b\u3001\u305d\u306e\u8a18\u4e8b\u306e\u300c\u306f\u3058\u3081\u306b\u300d\u3084\u300c\u307e\u3068\u3081\u300d\u304c\u4e0a\u4f4d\u3092\u5360\u3081\u3066\u3057\u307e\u3063\u3066\u3044\u305f\u8cea\u554f\u3067\u3059\u3002\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3067\u306f\u4e0a\u4f4d5\u4ef6\u306e\u3046\u30613\u4ef6\u3092\u540c\u3058\u8a18\u4e8b\u306e\u5c0e\u5165\u30fb\u7dcf\u62ec\u90e8\u5206\u304c\u5360\u3081\u3001\u6b63\u89e3\u306e\u300c\u691c\u7d22\uff08Retrieval\uff09\u306e\u8a55\u4fa1\u6307\u6a19\u300d\u306f9\u4f4d\u306b\u6c88\u3093\u3067\u3044\u307e\u3057\u305f\u3002\u4e21\u30ea\u30e9\u30f3\u30ab\u30fc\u3068\u3082\u3053\u308c\u30921\u4f4d\u3078\u5f15\u304d\u4e0a\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001\u60aa\u5316\u3057\u305f\u4f8b\u3067\u306f\u3001\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u30674\u4f4d\u3060\u3063\u305f\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u300c\u57cb\u3081\u8fbc\u307f\u30e2\u30c7\u30eb\u306e\u6599\u91d1\u306f\u30d1\u30fc\u30b5\u30fc\u306e270\u5206\u306e1\u300d\u304c\u3001\u4e21\u30ea\u30e9\u30f3\u30ab\u30fc\u3068\u3082\u4e0a\u4f4d5\u4ef6\u304b\u3089\u5916\u308c\u307e\u3057\u305f\u3002\u4ee3\u308f\u308a\u306b\u4e0a\u4f4d\u3078\u6765\u305f\u306e\u306f\u300c\u30c6\u30ad\u30b9\u30c8\u306e\u5bc6\u5ea6\u304c\u6599\u91d1\u3092\u5de6\u53f3\u3059\u308b\u300d\u306a\u3069\u3001\u540c\u3058\u8a18\u4e8b\u3067\u6599\u91d1\u3092\u6271\u3046\u5225\u306e\u7bc0\u3067\u3059\u3002\u8cea\u554f\u304c\u6c42\u3081\u3066\u3044\u305f\u300c\u6bd4\u7387\u300d\u3068\u3044\u3046\u9650\u5b9a\u6761\u4ef6\u3088\u308a\u3082\u3001\u8a71\u984c\u306e\u4e00\u81f4\u304c\u512a\u5148\u3055\u308c\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002<br \/>\n\u300c\u307e\u305a\u62bc\u3055\u3048\u305f\u3044\u7d50\u8ad6\u300d\u306e\u3088\u3046\u306a\u7dcf\u62ec\u306e\u30c1\u30e3\u30f3\u30af\u304c\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u5f8c\u306b\u304b\u3048\u3063\u3066\u4e0a\u4f4d\u3078\u6765\u305f\u8cea\u554f\u3082\u3042\u308a\u307e\u3057\u305f\u3002\u5c0e\u5165\u3084\u7dcf\u62ec\u306b\u3042\u305f\u308b\u30c1\u30e3\u30f3\u30af\u306f\u3001\u8cea\u554f\u6587\u5168\u4f53\u3068\u5e83\u304f\u4e00\u81f4\u3057\u3084\u3059\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u50be\u5411\u3092\u78ba\u304b\u3081\u308b\u306b\u306f\u3001\u305d\u3046\u3057\u305f\u30c1\u30e3\u30f3\u30af\u3092\u610f\u56f3\u7684\u306b\u542b\u3081\u305f\u5225\u306e\u691c\u8a3c\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<h3 id=\"section-5\" class=\"Heading Title Title--m\">\u5c0e\u5165\u3092\u5224\u65ad\u3059\u308b\u30dd\u30a4\u30f3\u30c8<\/h3>\n<h4 id=\"section-5-1\" class=\"Heading Title Title--s\">\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3067\u6551\u3048\u306a\u3044\u7bc4\u56f2<\/h4>\n<p>30\u554f\u306e\u3046\u3061\u3001\u5019\u88dc20\u4ef6\u306b\u6b63\u89e3\u30c1\u30e3\u30f3\u30af\u304c\u542b\u307e\u308c\u3066\u3044\u305f\u306e\u306f28\u554f\u3067\u3057\u305f\u3002\u6b8b\u308b2\u554f\u306f\u3001\u6b63\u89e3\u304c636\u4ef6\u4e2d118\u4f4d\u3068115\u4f4d\u3067\u3001\u305d\u3082\u305d\u3082\u4e26\u3079\u76f4\u3057\u306e\u5bfe\u8c61\u306b\u5165\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306f\u5019\u88dc\u306e\u4e2d\u3067\u306e\u9806\u4f4d\u3092\u5909\u3048\u308b\u51e6\u7406\u306a\u306e\u3067\u3001\u3053\u306e2\u554f\u306f\u3069\u306e\u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u3066\u3082\u6539\u5584\u3057\u307e\u305b\u3093\u3002<br \/>\n\u9006\u306b\u8a00\u3048\u3070\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u53d6\u308a\u623b\u305b\u308b\u306e\u306f\u300c\u5019\u88dc\u306b\u306f\u5165\u3063\u3066\u3044\u308b\u304c\u4e0a\u4f4dK\u4ef6\u306b\u6b8b\u3063\u3066\u3044\u306a\u3044\u300d\u3076\u3093\u3060\u3051\u3067\u3059\u3002\u4eca\u56de\u306f\u305d\u308c\u304c2\u554f\u3042\u308a\u3001\u4e21\u30ea\u30e9\u30f3\u30ab\u30fc\u3068\u30822\u554f\u3068\u30821\u4f4d\u307e\u3067\u5f15\u304d\u4e0a\u3052\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u5225\u306e1\u554f\u3092\u65b0\u305f\u306b\u843d\u3068\u3057\u305f\u305f\u3081\u3001Hit@5\u3068\u3057\u3066\u306f\u5dee\u3057\u5f15\u304d1\u554f\u306e\u6539\u5584\u306b\u3068\u3069\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u691c\u7d22\u306e\u518d\u73fe\u7387\u304c\u8db3\u308a\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3088\u308a\u5148\u306b\u3001\u5019\u88dc\u4ef6\u6570N\u3092\u5897\u3084\u3059\u3001\u30c1\u30e3\u30f3\u30af\u5206\u5272\u3092\u898b\u76f4\u3059\u3001\u30ad\u30fc\u30ef\u30fc\u30c9\u691c\u7d22\u3092\u4f75\u7528\u3059\u308b\u3068\u3044\u3063\u305f\u691c\u7d22\u5074\u306e\u8a2d\u8a08\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"section-5-2\" class=\"Heading Title Title--s\">\u8ffd\u52a0\u306e\u8ca0\u62c5<\/h4>\n<p>\u8ffd\u52a0\u306e\u8ca0\u62c5\u306f\u3001\u691c\u8a3c\u3057\u305f\u6761\u4ef6\u3067\u306f\u6b21\u306e\u3088\u3046\u306b\u6574\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u5fdc\u7b54\u6642\u9593\u306f\u3001\u691c\u7d22102ms\u306b\u5bfe\u3057\u3066203ms\uff08Cohere\uff09\u307e\u305f\u306f622ms\uff08Amazon\uff09\u304c\u4e0a\u4e57\u305b\u3055\u308c\u308b<\/li>\n<li class=\"Base-list__child\">\u8cbb\u7528\u306f1,000\u30af\u30a8\u30ea\u3042\u305f\u308a2\u30c9\u30eb\uff08Cohere\uff09\u307e\u305f\u306f1\u30c9\u30eb\uff08Amazon\uff09\u3067\u3001\u7d76\u5bfe\u984d\u3068\u3057\u3066\u306f\u5c0f\u3055\u3044<\/li>\n<li class=\"Base-list__child\">Amazon Rerank 1.0\u3067\u306f\u300190\u56de\u4e2d8\u56de\u304c1\u79d2\u3092\u8d85\u3048\u3001\u6700\u592718.3\u79d2\u306e\u5916\u308c\u5024\u304c\u51fa\u305f<\/li>\n<li class=\"Base-list__child\">\u5b9f\u88c5\u306fAPI\u547c\u3073\u51fa\u3057\u304c1\u3064\u5897\u3048\u308b\u3060\u3051\u3067\u3001\u65e2\u5b58\u306e\u691c\u7d22\u51e6\u7406\u306b\u624b\u3092\u5165\u308c\u308b\u5fc5\u8981\u306f\u306a\u3044<\/li>\n<\/ul>\n<p>\u8cbb\u7528\u3088\u308a\u3082\u3001\u5fdc\u7b54\u6642\u9593\u3068\u5916\u308c\u5024\u306e\u307b\u3046\u304c\u5224\u65ad\u6750\u6599\u306b\u306a\u308a\u3084\u3059\u3044\u7d50\u679c\u3067\u3057\u305f\u3002\u793e\u5185\u306e\u554f\u3044\u5408\u308f\u305b\u691c\u7d22\u306e\u3088\u3046\u306b\u6570\u767ems\u7a0b\u5ea6\u306e\u5897\u52a0\u304c\u8a31\u5bb9\u3067\u304d\u308b\u7528\u9014\u306a\u3089\u3001\u8cbb\u7528\u306f\u5c0e\u5165\u306e\u969c\u5bb3\u306b\u306a\u308a\u306b\u304f\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u5bfe\u8a71\u306e\u305f\u3073\u306b\u691c\u7d22\u304c\u8d70\u308b\u69cb\u6210\u3084\u3001\u5fdc\u7b54\u6642\u9593\u306e\u4e0a\u9650\u304c\u6c7a\u307e\u3063\u3066\u3044\u308b\u69cb\u6210\u3067\u306f\u3001\u88fe\u306e\u9577\u3055\u3092\u5b9f\u6e2c\u3057\u3066\u304b\u3089\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4 id=\"section-5-3\" class=\"Heading Title Title--s\">\u52b9\u679c\u304c\u51fa\u3084\u3059\u3044\u6761\u4ef6<\/h4>\n<p>1\u3064\u306f\u3001\u5143\u306e\u691c\u7d22\u304c\u3069\u308c\u3060\u3051\u53d6\u308a\u3053\u307c\u3057\u3066\u3044\u308b\u304b\u3067\u3059\u3002\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u53d6\u308a\u623b\u305b\u308b\u306e\u306f\u3001\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u304c\u4e0a\u4f4dK\u4ef6\u304b\u3089\u843d\u3068\u3057\u305f\u3076\u3093\u3060\u3051\u3067\u3001\u3059\u3067\u306b\u6b63\u89e3\u304c\u4e0a\u4f4d\u306b\u5165\u3063\u3066\u3044\u308b\u8cea\u554f\u306b\u306f\u4f38\u3073\u3057\u308d\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u30b3\u30fc\u30d1\u30b9\u3067\u306f\u3001\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3060\u3051\u306730\u554f\u4e2d26\u554f\u304c\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u3066\u304a\u308a\u3001\u305d\u3082\u305d\u3082\u6539\u5584\u306e\u4f59\u5730\u304c\u9650\u3089\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u691c\u7d22\u306e\u7cbe\u5ea6\u304c\u4f4e\u3044\u74b0\u5883\u307b\u3069\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u52b9\u679c\u306f\u5927\u304d\u304f\u51fa\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u3082\u30461\u3064\u306f\u3001\u691c\u7d22\u3092\u8907\u6570\u8d70\u3089\u305b\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3067\u3059\u3002\u30ad\u30fc\u30ef\u30fc\u30c9\u691c\u7d22\u3068\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3092\u4f75\u7528\u3057\u3066\u3044\u308b\u69cb\u6210\u3067\u306f\u3001\u30b9\u30b3\u30a2\u306e\u5c3a\u5ea6\u304c\u9055\u30462\u3064\u306e\u7d50\u679c\u3092\u3069\u3053\u304b\u30671\u672c\u306b\u307e\u3068\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002RRF\u3067\u9806\u4f4d\u3060\u3051\u3092\u8db3\u3057\u5408\u308f\u305b\u308b\u304b\u3001\u30ea\u30e9\u30f3\u30ab\u30fc\u3067\u5019\u88dc\u3092\u307e\u3068\u3081\u3066\u63a1\u70b9\u3057\u76f4\u3059\u304b\u3068\u3044\u3046\u9078\u629e\u306b\u306a\u308a\u3001\u5f8c\u8005\u3092\u9078\u3079\u3070\u7d71\u5408\u3068\u4e26\u3079\u66ff\u3048\u3092\u540c\u6642\u306b\u7247\u3065\u3051\u3089\u308c\u307e\u3059\u3002\u5358\u4e00\u306e\u691c\u7d22\u306b\u5f8c\u304b\u3089\u8db3\u3059\u5834\u5408\u3088\u308a\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u62c5\u3046\u5f79\u5272\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001\u3053\u306e\u8a18\u4e8b\u306e\u6539\u5584\u5e45\u3092\u305d\u306e\u307e\u307e\u81ea\u793e\u306e\u74b0\u5883\u3078\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u6587\u66f8\u306e\u7a2e\u985e\u3001\u57cb\u3081\u8fbc\u307f\u30e2\u30c7\u30eb\u3001N\u3068K\u306e\u8a2d\u5b9a\u304c\u5909\u308f\u308c\u3070\u3001\u7d50\u679c\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u624b\u5143\u306e\u30c7\u30fc\u30bf\u3068\u8cea\u554f\u3067\u540c\u3058\u5f62\u306e\u6bd4\u8f03\u30921\u5ea6\u56de\u305b\u3070\u3001\u5224\u65ad\u3067\u304d\u308b\u3060\u3051\u306e\u6750\u6599\u306f\u5f97\u3089\u308c\u307e\u3059\u3002\u4eca\u56de\u306e\u898f\u6a21\u306a\u3089\u5b9f\u884c\u6642\u9593\u306f5\u5206\u7a0b\u5ea6\u3067\u3057\u305f\u3002<\/p>\n<h3 id=\"section-6\" class=\"Heading Title Title--m\">\u307e\u3068\u3081<\/h3>\n<p>\u300c\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u3068\u691c\u7d22\u7cbe\u5ea6\u306f\u3069\u306e\u7a0b\u5ea6\u6539\u5584\u3057\u3001\u8ffd\u52a0\u306e\u5fdc\u7b54\u6642\u9593\u30fb\u30b3\u30b9\u30c8\u306b\u898b\u5408\u3046\u306e\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u306b\u3001\u4eca\u56de\u306e\u691c\u8a3c\u7d50\u679c\u306e\u7bc4\u56f2\u3067\u7b54\u3048\u307e\u3059\u3002<br \/>\n\u4e0a\u4f4d5\u4ef6\u306b\u6b63\u89e3\u304c\u5165\u308b\u304b\u3069\u3046\u304b\u3068\u3044\u3046\u57fa\u6e96\u3067\u306f\u300130\u554f\u4e2d26\u554f\u304b\u308927\u554f\u3078\u306e\u6539\u5584\u306b\u3068\u3069\u307e\u308a\u307e\u3057\u305f\u3002\u4e00\u65b9\u3001\u6b63\u89e3\u304c1\u4f4d\u306b\u6765\u308b\u5272\u5408\u306f60.0%\u304b\u308970.0%\uff08Amazon Rerank 1.0\uff09\u30fb73.3%\uff08Cohere Rerank 3.5\uff09\u3078\u3001\u4e0a\u4f4d5\u4ef6\u306b\u5165\u3063\u305f\u5834\u5408\u306e\u5e73\u5747\u9806\u4f4d\u306f1.81\u4f4d\u304b\u30891.30\u4f4d\u3078\u6539\u5584\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u5019\u88dc\u306b\u306f\u5165\u308b\u304c\u4e0a\u4f4d\u306b\u51fa\u306a\u3044\u300d\u3068\u3044\u3046\u8ab2\u984c\u306b\u306f\u52b9\u304d\u307e\u3059\u304c\u3001\u300c\u305d\u3082\u305d\u3082\u5019\u88dc\u306b\u5165\u3089\u306a\u3044\u300d\u554f\u984c\u306f\u89e3\u6c7a\u3057\u307e\u305b\u3093\u3002<br \/>\n\u8ffd\u52a0\u306e\u8ca0\u62c5\u306f\u3001\u5fdc\u7b54\u6642\u9593\u304c\u4e2d\u592e\u5024\u3067203ms\uff08Cohere\uff09\u307e\u305f\u306f622ms\uff08Amazon\uff09\u3001\u8cbb\u7528\u304c1,000\u30af\u30a8\u30ea\u3042\u305f\u308a2\u30c9\u30eb\u307e\u305f\u306f1\u30c9\u30eb\u3067\u3059\u3002\u8cbb\u7528\u306f\u5c0f\u3055\u304f\u3001\u5224\u65ad\u306e\u8ef8\u306b\u306a\u308b\u306e\u306f\u5fdc\u7b54\u6642\u9593\u306e\u307b\u3046\u3067\u3057\u305f\u3002\u3068\u304f\u306bAmazon Rerank 1.0\u3067\u306f90\u56de\u4e2d8\u56de\u304c1\u79d2\u3092\u8d85\u3048\u3001\u6700\u592718.3\u79d2\u306e\u5916\u308c\u5024\u304c\u51fa\u3066\u3044\u307e\u3059\u3002<br \/>\n2\u30e2\u30c7\u30eb\u306e\u6bd4\u8f03\u3067\u306f\u3001\u7cbe\u5ea6\u306f\u307b\u307c\u540c\u7b49\uff08MRR@5\u30670.789\u30680.803\uff09\u3001\u5fdc\u7b54\u6642\u9593\u306fCohere Rerank 3.5\u304c\u7d043\u5206\u306e1\u3001\u6599\u91d1\u306fCohere Rerank 3.5\u304cAmazon Rerank 1.0\u306e2\u500d\u3067\u3057\u305f\u3002\u3053\u306e\u6761\u4ef6\u3067\u306f\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u304c\u660e\u78ba\u306b\u512a\u308c\u3066\u3044\u308b\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b\u969b\u306f\u3001\u5148\u306b\u5019\u88dc\u6bb5\u968e\u306e\u518d\u73fe\u7387\u3092\u6e2c\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u5019\u88dcN\u4ef6\u306b\u6b63\u89e3\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u8cea\u554f\u304c\u591a\u3044\u306a\u3089\u3001\u30ea\u30e9\u30f3\u30ad\u30f3\u30b0\u3088\u308a\u691c\u7d22\u5074\u306e\u8a2d\u8a08\u3092\u898b\u76f4\u3059\u307b\u3046\u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u5019\u88dc\u306b\u306f\u5165\u3063\u3066\u3044\u308b\u306e\u306b\u4e0a\u4f4d\u306b\u51fa\u306a\u3044\u8cea\u554f\u304c\u76ee\u7acb\u3064\u306a\u3089\u3001\u4eca\u56de\u306e\u3088\u3046\u306a\u5c0f\u898f\u6a21\u306a\u6bd4\u8f03\u30921\u5ea6\u56de\u3057\u3066\u304b\u3089\u5224\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"section-7\" class=\"Heading Title Title--m\">\u751f\u6210AI\u6d3b\u7528\u652f\u63f4\u30b5\u30fc\u30d3\u30b9\u306e\u3054\u7d39\u4ecb<\/h3>\n<p>Tech Fun\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30d5\u30a7\u30fc\u30ba\u306b\u5408\u308f\u305b\u3001\u751f\u6210AI\u6d3b\u7528\u306b\u5411\u3051\u305f\u69d8\u3005\u306a\u652f\u63f4\u3092\u3054\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol class=\"Base-list Base-list--ol\">\n<li class=\"Base-list__child\">\n        <a href=\"https:\/\/www.techfun.co.jp\/services\/ai\/diagnosis\/\" class=\"Ext\">\u7121\u6599\u8a3a\u65ad\u30d1\u30c3\u30af<\/a>\uff1a\u696d\u52d9\u30fb\u30d7\u30ed\u30bb\u30b9\u306e\u73fe\u72b6\u3092\u7121\u6599\u3067\u8a3a\u65ad\u3057\u3001\u751f\u6210AI\u6d3b\u7528\u306e\u53ef\u80fd\u6027\u3092\u30ec\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\n    <\/li>\n<li class=\"Base-list__child\">\n        <a href=\"https:\/\/www.techfun.co.jp\/services\/ai\/poc\/\" class=\"Ext\">\u691c\u8a3c\uff08PoC\uff09\u30d1\u30c3\u30af<\/a>\uff1a\u8a3a\u65ad\u3067\u6709\u52b9\u6027\u304c\u78ba\u8a8d\u3055\u308c\u305f\u696d\u52d9\u3092\u5bfe\u8c61\u306b\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u69cb\u7bc9\u3092\u652f\u63f4\u3057\u307e\u3059\u3002\n    <\/li>\n<li class=\"Base-list__child\">\n        <a href=\"https:\/\/www.techfun.co.jp\/services\/ai\/consulting\/\" class=\"Ext\">\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9<\/a>\uff1a\u751f\u6210AI\u5c0e\u5165\u6226\u7565\u306e\u7b56\u5b9a\u304b\u3089\u904b\u7528\u4f53\u5236\u69cb\u7bc9\u307e\u3067\u3092\u5305\u62ec\u7684\u306b\u652f\u63f4\u3057\u307e\u3059\u3002\n    <\/li>\n<li class=\"Base-list__child\">\n        <a href=\"https:\/\/www.techfun.co.jp\/services\/ai\/plain-rag\/\" class=\"Ext\">Plain RAG<\/a>\uff1a\u793e\u5185\u6587\u66f8\u3092\u3082\u3068\u306b\u56de\u7b54\u3057\u3001\u793e\u5185\u554f\u3044\u5408\u308f\u305b\u3092\u52b9\u7387\u5316\u3059\u308bAI\u30c1\u30e3\u30c3\u30c8\u30d1\u30c3\u30b1\u30fc\u30b8\u3067\u3059\u3002\n    <\/li>\n<\/ol>\n<p>\u751f\u6210AI\u306b\u9650\u3089\u305a\u3001Web\u30fb\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u3084\u30a4\u30f3\u30d5\u30e9\u8a2d\u8a08\u306a\u3069\u3001\u6280\u8853\u9818\u57df\u3092\u554f\u308f\u305a\u3054\u76f8\u8ac7\u3092\u627f\u3063\u3066\u3044\u307e\u3059\u3002\u300c\u4f55\u304b\u3089\u59cb\u3081\u308c\u3070\u826f\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u6bb5\u968e\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u306e\u3067\u3001\u305c\u3072\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b RAG\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u3068\u3001\u691c\u7d22\u7d50\u679c\u3092\u898b\u306a\u304c\u3089\u300c\u3053\u306e\u6587\u66f8\u304c\u4e0a\u306b\u6765\u3066\u304f\u308c\u308c\u3070\u7b54\u3048\u3089\u308c\u308b\u306e\u306b\u300d\u3068\u611f\u3058\u308b\u5834\u9762\u304c\u3042\u308a\u307e\u3059\u3002\u691c\u7d22\u305d\u306e\u3082\u306e\u304c\u5931\u6557\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5019\u88dc\u309230\u4ef6\u307e\u3067\u5e83\u3052\u308c\u3070\u5fc5\u8981\u306a\u6587\u66f8\u306f\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3068\u2026<\/p>\n","protected":false},"author":7,"featured_media":7434,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[91],"post_tag_01":[94],"post_tag_02":[102,100],"post_tag_03":[],"class_list":["post-7433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-generative-ai","post_tag_01-aws-amazon_bedrock","post_tag_02-ai_evaluation","post_tag_02-rag-ai_search"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- 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