{"id":38310,"date":"2026-03-30T13:50:27","date_gmt":"2026-03-30T04:50:27","guid":{"rendered":"https:\/\/uxdaystokyo.com\/articles\/?post_type=glossary&#038;p=38310"},"modified":"2026-03-30T14:55:15","modified_gmt":"2026-03-30T05:55:15","slug":"react","status":"publish","type":"glossary","link":"https:\/\/uxdaystokyo.com\/articles\/glossary\/react\/","title":{"rendered":"ReAct\uff08\u30ea\u30a2\u30af\u30c8\uff09"},"content":{"rendered":"<p>ReAct\u3068\u306f\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u304c\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u300c\u63a8\u8ad6\uff08Reasoning\uff09\u300d\u3068\u300c\u884c\u52d5\uff08Acting\uff09\u300d\u3092\u76f8\u4e57\u7684\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u601d\u8003\u306e\u67a0\u7d44\u307f\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u4eba\u9593\u304c\u96e3\u554f\u306b\u53d6\u308a\u7d44\u3080\u969b\u306b\u300c\u8003\u3048\u3001\u8abf\u3079\u3001\u307e\u305f\u8003\u3048\u308b\u300d\u3068\u3044\u3046\u30d7\u30ed\u30bb\u30b9\u3092\u6a21\u5023\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001LLM\u304c\u4e8b\u5b9f\u306b\u57fa\u3065\u304b\u306a\u3044\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u300c\u30cf\u30eb\u30b7\u30cd\u30fc\u30b7\u30e7\u30f3\u300d\u3084\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u4ee5\u964d\u306e\u6700\u65b0\u60c5\u5831\u306b\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u3068\u3044\u3063\u305f\u8ab2\u984c\u3092\u514b\u670d\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u56de\u7b54\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002<\/p>\n<h2>\u601d\u8003\u3068\u884c\u52d5\u306e\u30b5\u30a4\u30af\u30eb\u3067\u81ea\u5f8b\u6027\u3092\u751f\u3080<\/h2>\n<p>ReAct\u306e\u672c\u8cea\u306f\u3001\u300c\u601d\u8003\uff08Thought\uff09\u300d\u300c\u884c\u52d5\uff08Action\uff09\u300d\u300c\u89b3\u5bdf\uff08Observation\uff09\u300d\u3068\u3044\u30463\u3064\u306e\u8981\u7d20\u3092\u4e00\u3064\u306e\u30b5\u30a4\u30af\u30eb\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u305f\u70b9\u306b\u3042\u308b\u3002LLM\u306f\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u554f\u3044\u306b\u5bfe\u3057\u3001\u307e\u305a\u300c\u4f55\u3092\u3059\u3079\u304d\u304b\u300d\u3068\u3044\u3046\u5185\u7684\u306a\u6226\u7565\uff08\u601d\u8003\uff09\u3092\u7acb\u3066\u308b\u3002\u6b21\u3044\u3067\u3001\u305d\u306e\u6226\u7565\u306b\u57fa\u3065\u304d\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3044\u3063\u305f\u5916\u90e8\u30c4\u30fc\u30eb\u3092\u5b9f\u969b\u306b\u5229\u7528\uff08\u884c\u52d5\uff09\u3059\u308b\u3002\u305d\u3057\u3066\u3001\u30c4\u30fc\u30eb\u304b\u3089\u5f97\u3089\u308c\u305f\u7d50\u679c\uff08\u89b3\u5bdf\uff09\u3092\u65b0\u305f\u306a\u6750\u6599\u3068\u3057\u3066\u3001\u6b21\u306e\u601d\u8003\u3092\u5de1\u3089\u305b\u308b\u3002\u3053\u306e\u30b5\u30a4\u30af\u30eb\u3092\u6700\u7d42\u7684\u306a\u7b54\u3048\u306b\u305f\u3069\u308a\u7740\u304f\u307e\u3067\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3001LLM\u306f\u5358\u306a\u308b\u30c6\u30ad\u30b9\u30c8\u751f\u6210\u88c5\u7f6e\u304b\u3089\u3001\u81ea\u5f8b\u7684\u306b\u554f\u984c\u89e3\u6c7a\u3092\u884c\u3046\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3078\u3068\u9032\u5316\u3059\u308b\u306e\u3067\u3042\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-1.png\" alt=\"\" width=\"1024\" height=\"559\" class=\"size-large wp-image-38341 aligncenter\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-1.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-1-300x164.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-1-768x419.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2>\u8a9e\u6e90\u30fb\u63d0\u5531\u8005<\/h2>\n<p>ReAct\u306f\u30012022\u5e7410\u6708\u306bGoogle Research\u3068\u30d7\u30ea\u30f3\u30b9\u30c8\u30f3\u5927\u5b66\u306e\u7814\u7a76\u8005\u3067\u3042\u308bShunyu Yao\u6c0f\u3089\u304c\u767a\u8868\u3057\u305f\u8ad6\u6587\u300cReAct: Synergizing Reasoning and Acting in Language Models\u300d\u306b\u3088\u3063\u3066\u63d0\u5531\u3055\u308c\u305f\u3002\u5f53\u6642\u306eLLM\u306b\u306f\u3001\u601d\u8003\u30d7\u30ed\u30bb\u30b9\u3092\u8a18\u8ff0\u3055\u305b\u3066\u63a8\u8ad6\u80fd\u529b\u3092\u9ad8\u3081\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\uff08Chain-of-Thought\u306a\u3069\uff09\u3068\u3001\u5916\u90e8\u30c4\u30fc\u30eb\u3068\u9023\u643a\u3057\u3066\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5b58\u5728\u3057\u305f\u304c\u3001\u305d\u308c\u305e\u308c\u306b\u5f31\u70b9\u304c\u3042\u3063\u305f\u3002\u524d\u8005\u306f\u60c5\u5831\u306e\u6b63\u78ba\u6027\u306b\u3001\u5f8c\u8005\u306f\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u8a08\u753b\u3059\u308b\u80fd\u529b\u306b\u8ab2\u984c\u3092\u62b1\u3048\u3066\u3044\u305f\u3002ReAct\u306f\u3001\u3053\u306e\u300c\u63a8\u8ad6\u7279\u5316\u300d\u3068\u300c\u884c\u52d5\u7279\u5316\u300d\u306e\u9577\u6240\u3092\u878d\u5408\u3055\u305b\u3001\u4e21\u8005\u306e\u5f31\u70b9\u3092\u88dc\u3044\u5408\u3046\u3053\u3068\u3067\u3001\u3088\u308a\u9ad8\u5ea6\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u554f\u984c\u89e3\u6c7a\u80fd\u529b\u306e\u5b9f\u73fe\u3092\u76ee\u6307\u3057\u3066\u8003\u6848\u3055\u308c\u305f\u3002<\/p>\n<figure class=\"wp-block-image aligncenter\">\n<p><div style=\"width: 246px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/wp-upload-1774841946694.jpeg\" alt=\"\u30b7\u30e5\u30f3\u30e6\u30fc\u30fb\u30e4\u30aa\uff08\u51fa\u5178\uff1ahttps:\/\/ysymyth.github.io\/images\/self.jpeg\uff09\" width=\"236\" height=\"236\" \/><p class=\"wp-caption-text\">\u30b7\u30e5\u30f3\u30e6\u30fc\u30fb\u30e4\u30aa\uff08\u51fa\u5178\uff1ahttps:\/\/ysymyth.github.io\/images\/self.jpeg\uff09<\/p><\/div><figcaption><\/figcaption><\/figure>\n<h2>LLM\u306e\u56de\u7b54\u3092\u4fe1\u983c\u3067\u304d\u308b\u3082\u306e\u306b\u5909\u3048\u308b<\/h2>\n<p>ReAct\u304c\u3082\u305f\u3089\u3059\u6700\u5927\u306e\u4fa1\u5024\u306f\u3001LLM\u306e\u5fdc\u7b54\u30d7\u30ed\u30bb\u30b9\u3092\u30d6\u30e9\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u304b\u3089\u8131\u5374\u3055\u305b\u3001\u305d\u306e\u4fe1\u983c\u6027\u3092\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3055\u305b\u308b\u70b9\u306b\u3042\u308b\u3002\u601d\u8003\u3068\u884c\u52d5\u306e\u8ecc\u8de1\u304c\u660e\u793a\u3055\u308c\u308b\u305f\u3081\u3001\u306a\u305c\u305d\u306e\u7d50\u8ad6\u306b\u81f3\u3063\u305f\u306e\u304b\u3092\u4eba\u9593\u304c\u691c\u8a3c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001LLM\u304c\u62b1\u3048\u308b\u6839\u6e90\u7684\u306a\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u5177\u4f53\u7684\u306a\u89e3\u6c7a\u7b56\u3092\u63d0\u793a\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u4e8b\u5b9f\u6027\u306e\u5411\u4e0a<\/strong><\/li>\n<\/ul>\n<p>LLM\u5185\u90e8\u306e\u77e5\u8b58\u3060\u3051\u306b\u983c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084API\u3068\u3044\u3063\u305f\u5916\u90e8\u30c4\u30fc\u30eb\u3092\u4ecb\u3057\u3066\u5e38\u306b\u6700\u65b0\u304b\u3064\u6b63\u78ba\u306a\u60c5\u5831\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u60c5\u5831\u306e\u53e4\u3055\u3084\u4e0d\u6b63\u78ba\u3055\u306b\u8d77\u56e0\u3059\u308b\u8aa4\u308a\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u308b\u3002<\/p>\n<ul>\n<li><strong>\u900f\u660e\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ul>\n<p>\u300c\u4f55\u3092\u8003\u3048\uff08Thought\uff09\u300d\u300c\u4f55\u3092\u884c\u3044\uff08Action\uff09\u300d\u300c\u4f55\u3092\u5f97\u305f\u304b\uff08Observation\uff09\u300d\u3068\u3044\u3046\u4e00\u9023\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u8a18\u9332\u3055\u308c\u308b\u3002\u3053\u306e\u601d\u8003\u306e\u8ecc\u8de1\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u793a\u3059\u3053\u3068\u3067\u3001AI\u306e\u5224\u65ad\u6839\u62e0\u304c\u660e\u78ba\u306b\u306a\u308a\u3001\u56de\u7b54\u306b\u5bfe\u3059\u308b\u4fe1\u983c\u3068\u7d0d\u5f97\u611f\u304c\u91b8\u6210\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li><strong>\u30bf\u30b9\u30af\u9042\u884c\u80fd\u529b\u306e\u62e1\u5f35<\/strong><\/li>\n<\/ul>\n<p>\u8a08\u7b97\u6a5fAPI\u3067\u6b63\u78ba\u306a\u8a08\u7b97\u3092\u884c\u3063\u305f\u308a\u3001\u793e\u5185\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u554f\u3044\u5408\u308f\u305b\u3066\u7279\u5b9a\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3057\u305f\u308a\u3068\u3001LLM\u5358\u4f53\u3067\u306f\u4e0d\u53ef\u80fd\u306a\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u53ef\u80fd\u306b\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5fdc\u7528\u7bc4\u56f2\u304c\u5b9f\u4e16\u754c\u306e\u554f\u984c\u89e3\u6c7a\u3078\u3068\u5927\u304d\u304f\u5e83\u304c\u308b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-2.png\" alt=\"\" width=\"1024\" height=\"559\" class=\"size-large wp-image-38340 aligncenter\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-2.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-2-300x164.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-2-768x419.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2>\u601d\u8003\u30fb\u884c\u52d5\u30fb\u89b3\u5bdf\u306e\u53cd\u5fa9\u30eb\u30fc\u30d7\u3092\u56de\u3059<\/h2>\n<p>ReAct\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5b9f\u8df5\u306f\u3001\u554f\u3044\u306b\u5bfe\u3057\u3066\u6700\u7d42\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u307e\u3067\u3001\u4e00\u9023\u306e\u30b9\u30c6\u30c3\u30d7\u3092\u52d5\u7684\u306b\u7e70\u308a\u8fd4\u3059\u30d7\u30ed\u30bb\u30b9\u3067\u3042\u308b\u3002\u3053\u306e\u30eb\u30fc\u30d7\u69cb\u9020\u306b\u3088\u308a\u3001LLM\u306f\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u6226\u7565\u3092\u67d4\u8edf\u306b\u4fee\u6b63\u3057\u306a\u304c\u3089\u3001\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3092\u6bb5\u968e\u7684\u306b\u89e3\u6c7a\u3057\u3066\u3044\u304f\u3002<\/p>\n<ul>\n<li><strong>\u30bf\u30b9\u30af\u306e\u5206\u89e3\u3068\u8a08\u753b\uff08Thought\uff09<\/strong><\/li>\n<\/ul>\n<p>\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u4e0e\u3048\u3089\u308c\u305f\u8907\u96d1\u306a\u554f\u3044\u3092\u3001\u5b9f\u884c\u53ef\u80fd\u306a\u5c0f\u3055\u306a\u30b5\u30d6\u30bf\u30b9\u30af\u306b\u5206\u89e3\u3057\u3001\u6b21\u306b\u3068\u308b\u3079\u304d\u884c\u52d5\u306e\u6226\u7565\u3092\u7acb\u3066\u308b\u3002<\/p>\n<ul>\n<li><strong>\u5916\u90e8\u30c4\u30fc\u30eb\u3067\u306e\u60c5\u5831\u53ce\u96c6\uff08Action\uff09<\/strong><\/li>\n<\/ul>\n<p>\u8a08\u753b\u306b\u57fa\u3065\u3044\u3066\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3001API\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u3069\u306e\u5916\u90e8\u30c4\u30fc\u30eb\u306b\u5177\u4f53\u7684\u306a\u6307\u793a\u3092\u51fa\u3057\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3092\u53ce\u96c6\u3059\u308b\u3002<\/p>\n<ul>\n<li><strong>\u7d50\u679c\u306e\u5206\u6790\u3068\u518d\u8a08\u753b\uff08Observation &amp; Thought\uff09<\/strong><\/li>\n<\/ul>\n<p>\u5916\u90e8\u30c4\u30fc\u30eb\u304b\u3089\u5f97\u3089\u308c\u305f\u7d50\u679c\u3092\u5206\u6790\u30fb\u7d71\u5408\u3057\u3001\u5f53\u521d\u306e\u8a08\u753b\u3092\u8a55\u4fa1\u3059\u308b\u3002\u30b4\u30fc\u30eb\u306b\u9054\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u65b0\u305f\u306a\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u6b21\u306e\u884c\u52d5\u8a08\u753b\u3092\u7acb\u3066\u3001\u518d\u3073\u30eb\u30fc\u30d7\u306b\u623b\u308b\u3002<\/p>\n<ul>\n<li><strong>\u6700\u7d42\u56de\u7b54\u306e\u751f\u6210<\/strong><\/li>\n<\/ul>\n<p>\u5168\u3066\u306e\u30b5\u30d6\u30bf\u30b9\u30af\u304c\u5b8c\u4e86\u3057\u3001\u554f\u3044\u306b\u5bfe\u3059\u308b\u5341\u5206\u306a\u60c5\u5831\u304c\u63c3\u3063\u305f\u3068\u5224\u65ad\u3057\u305f\u6642\u70b9\u3067\u3001\u53ce\u96c6\u30fb\u5206\u6790\u3057\u305f\u5185\u5bb9\u3092\u7d71\u5408\u3057\u3001\u6700\u7d42\u7684\u306a\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u3002<\/p>\n<h2 data-path-to-node=\"3\">\u5b9f\u969b\u306e\u30b5\u30fc\u30d3\u30b9\u3084\u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3078\u306e\u5b9f\u88c5<\/h2>\n<p data-path-to-node=\"4\">ReAct\u306e\u4ed5\u7d44\u307f\u306f\u3001\u65e5\u5e38\u7684\u306b\u5229\u7528\u3059\u308b\u691c\u7d22\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u3001\u72ec\u81ea\u306eAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u958b\u767a\u8005\u5411\u3051\u30c4\u30fc\u30eb\u307e\u3067\u3001\u3059\u3067\u306b\u5e45\u5e83\u3044\u9818\u57df\u3067\u7d44\u307f\u8fbc\u307e\u308c\u3001\u5b9f\u7528\u5316\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<h3 data-path-to-node=\"5,0,0\" id=\"p-rc_eda54b7112423386-48\"><span data-path-to-node=\"5,0,0,0\"><b data-path-to-node=\"5,0,0,0\" data-index-in-node=\"0\">Google\u691c\u7d22\u300cAI Overview\u300d\uff08\u65e7\u79f0: SGE\uff09<\/b> <\/span><\/h3>\n<p data-path-to-node=\"5,0,0\"><span data-path-to-node=\"5,0,0,1\"><span class=\"citation-78\"><\/span><\/span><span data-path-to-node=\"5,0,0,2\"><span class=\"citation-78\">\u8eab\u8fd1\u306a\u30d7\u30ed\u30c0\u30af\u30c8\u306b\u304a\u3051\u308bReAct\u306e\u4ee3\u8868\u7684\u306a\u5b9f\u88c5\u4f8b\u3067\u3042\u308b<\/span><\/span><span data-path-to-node=\"5,0,0,3\"><span class=\"citation-78 citation-end-78\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"1\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,0,0,4\"><span class=\"citation-77\"><\/span><\/span><span data-path-to-node=\"5,0,0,5\"><span class=\"citation-77\">\u3002\u8907\u96d1\u306a\u691c\u7d22\u30af\u30a8\u30ea\u306b\u5bfe\u3057\u3066\u3001\u30a6\u30a7\u30d6\u4e0a\u306e\u8907\u6570\u306e\u60c5\u5831\u6e90\u3092\u7d71\u5408\u30fb\u8981\u7d04\u3057\u305f\u56de\u7b54\u3092\u691c\u7d22\u7d50\u679c\u306e\u6700\u4e0a\u90e8\u306b\u8868\u793a\u3059\u308b<\/span><\/span><span data-path-to-node=\"5,0,0,6\"><span class=\"citation-77 citation-end-77\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"2\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,0,0,7\"><span class=\"citation-76\"><\/span><\/span><span data-path-to-node=\"5,0,0,8\"><span class=\"citation-76\">\u3002\u4f8b\u3048\u3070\u300c\u5c0f\u3055\u306a\u5b50\u4f9b\u304c\u3044\u3066\u3082\u697d\u3057\u3081\u308b\u3001\u9031\u672b\u306b\u884c\u3051\u308b\u6e29\u6cc9\u5bbf\u300d\u3068\u3044\u3063\u305f\u8cea\u554f\u306b\u5bfe\u3057\u3001AI\u306f\u30bf\u30b9\u30af\u3092\u5206\u89e3\u3057\u3066\u691c\u7d22\uff08Action\uff09\u3057\u3001\u8907\u6570\u306e\u30b5\u30a4\u30c8\u304b\u3089\u60c5\u5831\u3092\u53ce\u96c6\uff08Observation\uff09\u3059\u308b<\/span><\/span><span data-path-to-node=\"5,0,0,9\"><span class=\"citation-76 citation-end-76\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"3\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,0,0,10\"><span class=\"citation-75\"><\/span><\/span><span data-path-to-node=\"5,0,0,11\"><span class=\"citation-75\">\u3002\u305d\u3057\u3066\u300c\u98df\u4e8b\u300d\u3084\u300c\u5b89\u5168\u6027\u300d\u306a\u3069\u306b\u60c5\u5831\u3092\u6574\u7406\uff08Thought\uff09\u3057\u305f\u4e0a\u3067\u3001\u60c5\u5831\u6e90\u3068\u306a\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3078\u306e\u30ea\u30f3\u30af\u3068\u5171\u306b\u56de\u7b54\u3092\u63d0\u793a\u3059\u308b<\/span><\/span><span data-path-to-node=\"5,0,0,12\"><span class=\"citation-75 citation-end-75\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"4\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,0,0,13\"><span class=\"citation-74\"><\/span><\/span><span data-path-to-node=\"5,0,0,14\"><span class=\"citation-74\">\u3002\u3053\u308c\u306fReAct\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u88cf\u5074\u3067\u6a5f\u80fd\u3057\u3066\u3044\u308b\u5178\u578b\u7684\u306a\u4f8b\u3067\u3042\u308b<\/span><\/span><span data-path-to-node=\"5,0,0,15\"><span class=\"citation-74 citation-end-74\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"5\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,0,0,16\">\u3002<\/span><\/p>\n<h3 data-path-to-node=\"5,1,0\" id=\"p-rc_eda54b7112423386-49\"><span data-path-to-node=\"5,1,0,0\"><b data-path-to-node=\"5,1,0,0\" data-index-in-node=\"0\">LlamaIndex\u306a\u3069\u306eAI\u958b\u767a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/b> <\/span><\/h3>\n<p data-path-to-node=\"5,1,0\"><span data-path-to-node=\"5,1,0,1\"><span class=\"citation-73\"><\/span><\/span><span data-path-to-node=\"5,1,0,2\"><span class=\"citation-73\">\u4f01\u696d\u3084\u958b\u767a\u8005\u304c\u72ec\u81ea\u306eReAct\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306e\u57fa\u76e4\u3068\u3057\u3066\u3082\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u3002\u4f8b\u3048\u3070\u3001LLM\u5411\u3051\u306e\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308b\u300cLlamaIndex\u300d\u306a\u3069\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u793e\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u5916\u90e8API\u3068\u9023\u643a\u3057\u305f\u72ec\u81ea\u306eReAct\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u30bc\u30ed\u304b\u3089\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3042\u308b<\/span><\/span><span data-path-to-node=\"5,1,0,3\"><span class=\"citation-73 citation-end-73\"><source-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c1832667495=\"\"><sup _ngcontent-ng-c1832667495=\"\" class=\"superscript\" data-turn-source-index=\"6\"><\/sup><\/source-footnote><\/span><\/span><span data-path-to-node=\"5,1,0,4\">\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u696d\u52d9\u3084\u30c9\u30e1\u30a4\u30f3\u306b\u7279\u5316\u3057\u305f\u3001\u9ad8\u5ea6\u306a\u81ea\u5f8b\u578bAI\u30a2\u30b7\u30b9\u30bf\u30f3\u30c8\u306e\u958b\u767a\u304c\u4fc3\u9032\u3055\u308c\u3066\u3044\u308b\u3002<\/span><\/p>\n<p data-path-to-node=\"5,1,0\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-4.png\" alt=\"\" width=\"1024\" height=\"559\" class=\"size-large wp-image-38342 aligncenter\" srcset=\"https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-4.png 1024w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-4-300x164.png 300w, https:\/\/uxdaystokyo.com\/articles\/wp-content\/uploads\/2026\/03\/react-4-768x419.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2>\u95a2\u9023\u7528\u8a9e<\/h2>\n<blockquote class=\"wp-embedded-content\" data-secret=\"OVRwZ2V3Tc\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/chain-of-thought\/\">Chain-of-Thought<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Chain-of-Thought&#8221; &#8212; UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/chain-of-thought\/embed\/#?secret=BEFFIu4wzU#?secret=OVRwZ2V3Tc\" data-secret=\"OVRwZ2V3Tc\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"7BXfOJOe2z\"><p><a href=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/ai-agent\/\">AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8&#8221; &#8212; UX TIMES\" src=\"https:\/\/uxdaystokyo.com\/articles\/glossary\/ai-agent\/embed\/#?secret=YiMFApWfsD#?secret=7BXfOJOe2z\" data-secret=\"7BXfOJOe2z\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>LLM\u304c\u81ea\u5f8b\u7684\u306b\u300c\u601d\u8003\u300d\u3068\u300c\u884c\u52d5\u300d\u3092\u7e70\u308a\u8fd4\u3059\u305f\u3081\u306e\u601d\u8003\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af<\/p>\n","protected":false},"author":61,"featured_media":38338,"template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"English":"","footnotes":""},"glossary-category":[418],"glossary_tag":[],"class_list":["post-38310","glossary","type-glossary","status-publish","has-post-thumbnail","hentry","glossary-category-technology"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" 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