{"id":25184,"date":"2025-03-25T10:15:49","date_gmt":"2025-03-25T02:15:49","guid":{"rendered":"https:\/\/aif.amtbbs.org\/?p=25184"},"modified":"2025-03-25T10:15:49","modified_gmt":"2025-03-25T02:15:49","slug":"%e7%94%b0%e6%b8%8a%e6%a0%8b%e5%92%8csergey-levine%e5%8f%82%e4%b8%8e%e5%bc%80%e5%8f%91%e6%96%b0%e5%9e%8brl%e7%ae%97%e6%b3%95%ef%bc%8c%e8%83%bd%e9%80%9a%e8%bf%87%e5%a4%9a%e8%bd%ae%e8%ae%ad%e7%bb%83","status":"publish","type":"post","link":"https:\/\/aif.amtbbs.org\/index.php\/2025\/03\/25\/25184\/","title":{"rendered":"\u7530\u6e0a\u680b\u548cSergey Levine\u53c2\u4e0e\u5f00\u53d1\u65b0\u578bRL\u7b97\u6cd5\uff0c\u80fd\u901a\u8fc7\u591a\u8f6e\u8bad\u7ec3\u8ba9\u667a\u80fd\u4f53\u5b66\u4f1a\u534f\u4f5c\u63a8\u7406"},"content":{"rendered":"<div><img data-dominant-color=\"3584b8\" data-has-transparency=\"false\" style=\"--dominant-color: #3584b8;\" loading=\"lazy\" decoding=\"async\" class=\"not-transparent alignnone size-full wp-image-25186\" src=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/03\/f8ffe4e7264333f0eaf724c7d0a04a8014d218-300x167-1.jpg\" width=\"300\" height=\"167\" alt=\"\" srcset=\"https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/03\/f8ffe4e7264333f0eaf724c7d0a04a8014d218-300x167-1.jpg 300w, https:\/\/aiforumimage.oss-cn-shanghai.aliyuncs.com\/wp-content\/uploads\/2025\/03\/f8ffe4e7264333f0eaf724c7d0a04a8014d218-300x167-1-150x84.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n<div><\/div>\n<div class=\"article-desc\">\u5f3a\u5316\u5b66\u4e60\u63d0\u5347\u4e86 LLM \u5404\u65b9\u9762\u7684\u80fd\u529b\uff0c\u800c\u5f3a\u5316\u5b66\u4e60\u672c\u8eab\u4e5f\u5728\u8fdb\u5316\u3002<\/div>\n<div id=\"postspictures\" class=\"article-content\">\n<div id=\"container\" class=\"container am-engine\" data-v-1d7a5742=\"\" data-element=\"root\">\n<p>\u73b0\u5b9e\u4e16\u754c\u4e2d\uff0c\u5f88\u591a\u4efb\u52a1\u5f88\u590d\u6742\uff0c\u9700\u8981\u6267\u884c\u4e00\u7cfb\u5217\u7684\u51b3\u7b56\u3002\u800c\u8981\u8ba9\u667a\u80fd\u4f53\u5728\u8fd9\u4e9b\u4efb\u52a1\u4e0a\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\uff0c\u901a\u5e38\u9700\u8981\u76f4\u63a5\u5728\u591a\u8f6e\u76f8\u5173\u76ee\u6807\uff08\u6bd4\u5982\u6210\u529f\u7387\uff09\u4e0a\u6267\u884c\u4f18\u5316\u3002\u4e0d\u8fc7\uff0c\u76f8\u6bd4\u4e8e\u6a21\u4eff\u6bcf\u4e00\u8f6e\u4e2d\u6700\u53ef\u80fd\u7684\u52a8\u4f5c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u7684\u96be\u5ea6\u8981\u5927\u5f97\u591a\u3002<\/p>\n<p>\u5728\u76f4\u63a5\u4f18\u5316\u591a\u8f6e\u76ee\u6807\u65b9\u9762\uff0c\u4e00\u7c7b\u81ea\u7136\u7684\u65b9\u6cd5\u662f\u5e94\u7528\u5355\u8f6e RLHF \u7b97\u6cd5\uff0c\u4f8b\u5982 RAFT\u3001DPO \u548c PPO \uff0c\u4e0d\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4f1a\u5728\u4e0d\u540c\u8f6e\u6b21\u95f4\u6267\u884c\u663e\u5f0f\u7684 credit \u5206\u914d\u3002\u56e0\u6b64\uff0c\u7531\u4e8e\u590d\u6742\u987a\u5e8f\u51b3\u7b56\u4efb\u52a1\u7684\u957f\u671f\u6027\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u51fa\u73b0\u9ad8\u65b9\u5dee\u548c\u8f83\u5dee\u7684\u6837\u672c\u590d\u6742\u6027\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u53e6\u4e00\u79cd\u9009\u62e9\u662f\u5e94\u7528\u4ef7\u503c\u51fd\u6570\u5b66\u4e60\u65b9\u6cd5\uff0c\u4f8b\u5982 TD \u5b66\u4e60\u3002\u7136\u800c\uff0c\u8fd9\u9700\u8981\u5728 LLM \u8868\u5f81\u7684\u57fa\u7840\u4e0a\u8bad\u7ec3\u4e00\u4e2a\u65b0\u7684\u7279\u5b9a\u4e8e\u4efb\u52a1\u7684\u4ef7\u503c\u5934\uff0c\u8fd9\u53ef\u80fd\u65e0\u6cd5\u5728\u6709\u9650\u7684\u5fae\u8c03\u6570\u636e\u4e0b\u5f88\u597d\u5730\u6cdb\u5316\u3002\u56e0\u6b64\uff0c\u76ee\u524d\u5c1a\u4e0d\u6e05\u695a\u54ea\u79cd\u591a\u8f6e RL \u7b97\u6cd5\u6700\u6709\u6548\uff0c\u80fd\u591f\u5145\u5206\u5229\u7528 LLM \u7684\u63a8\u7406\u80fd\u529b\u6765\u8bad\u7ec3\u901a\u7528\u3001\u6709\u80fd\u529b\u548c\u76ee\u6807\u5bfc\u5411\u7684\u667a\u80fd\u4f53\u3002<\/p>\n<p>\u8fd1\u65e5\uff0cMeta FAIR \u548c\u52a0\u5229\u798f\u5c3c\u4e9a\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u4e00\u4e2a\u7814\u7a76\u56e2\u961f\u5728\u8fd9\u4e2a\u7814\u7a76\u8bfe\u9898\u4e0a\u53d6\u5f97\u4e86\u65b0\u7684\u7a81\u7834\u3002\u9996\u5148\uff0c\u4ed6\u4eec\u4e3a\u8be5\u95ee\u9898\u6784\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u57fa\u51c6\uff1a<strong>ColBench<\/strong>\uff08Collaborative Agent Benchmark\uff09\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u4ed6\u4eec\u8fd8\u63d0\u51fa\u4e86\u4e00\u79cd\u6613\u4e8e\u5b9e\u73b0\u4f46\u975e\u5e38\u6709\u6548\u7684 RL \u7b97\u6cd5\uff1a<strong>SWEET-RL<\/strong>\uff08RL with Step-WisE Evaluation from Training-Time Information\uff09\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s2.51cto.com\/oss\/202503\/24\/68404a489d02d613e6a540fcb1610835cc4630.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<ul data-id=\"ua73dd4b-B6mQ5OmJ\">\n<li data-id=\"ld70c578-UBPpWQ62\">\u8bba\u6587\u6807\u9898\uff1aSWEET-RL: Training Multi-Turn LLM Agents on Collaborative Reasoning Tasks<\/li>\n<li data-id=\"ld70c578-pjoA0fYS\">\u8bba\u6587\u5730\u5740\uff1ahttps:\/\/arxiv.org\/pdf\/2503.15478<\/li>\n<li data-id=\"ld70c578-aG4EnMrp\">\u4ee3\u7801\u5730\u5740\uff1ahttps:\/\/github.com\/facebookresearch\/sweet_rl<\/li>\n<\/ul>\n<p>\u8fd9\u7bc7\u8bba\u6587\u7684\u4e00\u4f5c\u4e3a\u4f2f\u514b\u5229 AI \u7814\u7a76\u6240\uff08BAIR\uff09\u4e8c\u5e74\u7ea7\u535a\u58eb\u751f\u5468\u9038\u98de\uff08Yifei Zhou\uff09\u3002\u5e76\u6709\u591a\u4f4d\u8457\u540d AI \u7814\u7a76\u8005\u53c2\u4e0e\u5176\u4e2d\uff0c\u5305\u62ec\u7530\u6e0a\u680b\u3001Jason Weston \u548c Sergey Levine\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u7b80\u5355\u89e3\u8bfb\u4e00\u4e0b\u8fd9\u9879\u7814\u7a76\uff0c\u66f4\u591a\u8be6\u60c5\u8bf7\u53c2\u9605\u539f\u8bba\u6587\u3002<\/p>\n<h4>ColBench<\/h4>\n<p>\u5148\u6765\u770b\u770b\u4ed6\u4eec\u63d0\u51fa\u7684\u65b0\u57fa\u51c6\u3002\u9996\u5148\uff0c\u4e3a\u4e86\u89e3\u51b3\u4e3a LLM \u667a\u80fd\u4f53\u5f00\u53d1\u591a\u8f6e RL \u7b97\u6cd5\u7684\u6311\u6218\uff0c\u8be5\u56e2\u961f\u6784\u5efa\u4e86\u4e00\u4e9b\u57fa\u672c\u8bbe\u8ba1\u539f\u5219\uff0c\u5305\u62ec\uff1a<\/p>\n<ul data-id=\"ua73dd4b-3e3iGM9N\">\n<li data-id=\"ld70c578-geNSTJDs\">\u5e94\u5177\u6709\u8db3\u591f\u7684\u4efb\u52a1\u590d\u6742\u6027\uff0c\u53ef\u4ee5\u6311\u6218\u667a\u80fd\u4f53\u7684\u63a8\u7406\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/li>\n<li data-id=\"ld70c578-L1DgahoE\">\u5c3d\u53ef\u80fd\u5730\u964d\u4f4e\u5f00\u9500\uff0c\u4ee5\u652f\u6301\u5feb\u901f\u7814\u7a76\u539f\u578b\u8bbe\u8ba1\u3002<\/li>\n<li data-id=\"ld70c578-A9ihdKZv\">\u5e94\u8be5\u6709\u8db3\u591f\u7684\u4efb\u52a1\u591a\u6837\u6027\uff0c\u4ee5\u4fbf\u5728 RL \u8bad\u7ec3\u65f6\u4e0d\u4f1a\u8fc7\u62df\u5408\u3002<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u6765\uff0c\u5177\u4f53\u770b\u770b\u8be5\u57fa\u51c6\u4e2d\u7684\u4e24\u4e2a\u4efb\u52a1\uff1a\u540e\u7aef\u7f16\u7a0b\u548c\u524d\u7aef\u8bbe\u8ba1\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s5.51cto.com\/oss\/202503\/24\/04aeffc87ca1b4789b928363717f96b61ddc63.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p><strong>\u540e\u7aef\u7f16\u7a0b\u534f\u4f5c<\/strong><\/p>\n<p>\u5728\u6b64\u4efb\u52a1\u4e2d\uff0c\u667a\u80fd\u4f53\u9700\u8981\u4e0e\u4eba\u7c7b\u6a21\u62df\u5668\u534f\u4f5c\u7f16\u5199\u81ea\u5b9a\u4e49 Python \u51fd\u6570\uff08\u6700\u591a 50 \u884c\uff09\u3002<\/p>\n<p>\u5728\u534f\u4f5c\u5f00\u59cb\u65f6\uff0c\u667a\u80fd\u4f53\u4f1a\u5148\u83b7\u5f97\u9ad8\u7ea7\u63cf\u8ff0\u548c\u51fd\u6570\u7b7e\u540d\u3002\u4f46\u5e76\u4e0d\u4f1a\u63d0\u4f9b\u5f88\u591a\u5177\u4f53\u7684\u7ec6\u8282\uff0c\u4f8b\u5982\u5e94\u8003\u8651\u54ea\u4e9b\u6761\u4ef6\u4ee5\u53ca\u5728\u8fb9\u7f18\u60c5\u51b5\u4e0b\u8be5\u600e\u4e48\u505a\u3002\u667a\u80fd\u4f53\u5fc5\u987b\u63a8\u7406\u5e76\u51b3\u5b9a\u9700\u8981\u4eba\u7c7b\u6a21\u62df\u5668\u63d0\u4f9b\u54ea\u4e9b\u5177\u4f53\u8bf4\u660e\u3002\u4eba\u7c7b\u6a21\u62df\u5668\u9700\u8981\u6839\u636e\u53ea\u6709\u5b83\u4eec\u81ea\u5df1\u53ef\u89c1\u7684\u53c2\u8003\u4ee3\u7801\uff0c\u7528\u81ea\u7136\u8bed\u8a00\u5bf9\u6bcf\u4e2a\u9700\u8981\u8bf4\u660e\u7684\u95ee\u9898\u63d0\u4f9b\u7b80\u8981\u89e3\u91ca\uff0c\u4f46\u4e0d\u4f1a\u7f16\u5199\u4ee3\u7801\u3002<\/p>\n<p>\u667a\u80fd\u4f53\u548c\u4eba\u7c7b\u6a21\u62df\u5668\u4e4b\u95f4\u7684\u4ea4\u4e92\u4ec5\u9650\u4e8e 10 \u8f6e\u6765\u56de\u3002\u5f53\u667a\u80fd\u4f53\u51b3\u5b9a\u7ed9\u51fa\u6700\u7ec8\u89e3\u51b3\u65b9\u6848\u6216\u8fbe\u5230\u6700\u5927\u8f6e\u6570\u65f6\uff0c\u4ea4\u4e92\u7ed3\u675f\u3002<\/p>\n<p>\u5728\u8bc4\u4f30\u667a\u80fd\u4f53\u662f\u5426\u6210\u529f\u65f6\uff0c\u9700\u8981\u5bf9\u6bcf\u4e2a\u51fd\u6570\u8fdb\u884c 10 \u6b21\u9690\u85cf\u5355\u5143\u6d4b\u8bd5\uff0c\u5e76\u5bf9\u6bcf\u6b21\u534f\u4f5c\u7ed9\u51fa 0 \u6216 1 \u7684\u5956\u52b1\u3002<\/p>\n<p><strong>\u524d\u7aef\u8bbe\u8ba1\u534f\u4f5c<\/strong><\/p>\n<p>\u5728\u6b64\u4efb\u52a1\u4e2d\uff0c\u667a\u80fd\u4f53\u9700\u8981\u4e0e\u4eba\u7c7b\u6a21\u62df\u5668\u534f\u4f5c\uff0c\u901a\u8fc7\u7f16\u5199 HTML \u4ee3\u7801\u7247\u6bb5\uff08\u7ea6 100 \u884c\uff09\u6765\u8bbe\u8ba1\u7f51\u9875\u3002<\/p>\n<p>\u5728\u534f\u4f5c\u5f00\u59cb\u65f6\uff0c\u667a\u80fd\u4f53\u4f1a\u83b7\u5f97\u7f51\u9875\u7684\u9ad8\u7ea7\u63cf\u8ff0\u3002\u540c\u6837\uff0c\u8bb8\u591a\u5177\u4f53\u7ec6\u8282\uff08\u4f8b\u5982\u7f51\u9875\u7684\u5e03\u5c40\u548c\u8c03\u8272\u677f\uff09\u90fd\u7f3a\u5931\uff0c\u53ea\u6709\u4eba\u7c7b\u6a21\u62df\u5668\u624d\u80fd\u770b\u5230\u3002\u5728\u6bcf\u4e00\u8f6e\u4e2d\uff0c\u667a\u80fd\u4f53\u90fd\u6709\u673a\u4f1a\u7f16\u5199 HTML \u7ed3\u679c\u5e76\u901a\u8fc7 Web \u6d4f\u89c8\u5668\u5448\u73b0\u51fa\u6765\u3002\u4eba\u7c7b\u6a21\u62df\u5668\u53ef\u4ee5\u5bf9\u6bd4\u6765\u81ea\u667a\u80fd\u4f53\u7684\u7f51\u9875\u548c\u53c2\u8003\u7f51\u9875\uff0c\u7136\u540e\u5411\u667a\u80fd\u4f53\u63cf\u8ff0\u5b83\u4eec\u7684\u5dee\u5f02\u3002\u4e0e\u540e\u7aef\u7f16\u7a0b\u534f\u4f5c\u7c7b\u4f3c\uff0c\u5f53\u667a\u80fd\u4f53\u51b3\u5b9a\u7ed9\u51fa\u6700\u7ec8\u89e3\u51b3\u65b9\u6848\u6216\u8fbe\u5230\u6700\u5927 10 \u8f6e\u4ea4\u4e92\u65f6\uff0c\u4ea4\u4e92\u7ed3\u675f\u3002<\/p>\n<p>\u8bc4\u4f30\u6307\u6807\u65b9\u9762\uff0c\u4f7f\u7528\u4e86\u667a\u80fd\u4f53\u89e3\u7b54\u4e0e\u53c2\u8003\u7f51\u9875\u4e4b\u95f4\u7684 CLIP \u5d4c\u5165\u7684\u4f59\u5f26\u76f8\u4f3c\u5ea6\u3002\u540c\u6837\uff0c\u534f\u4f5c\u7ed3\u675f\u65f6\uff0c\u4f1a\u53d1\u653e 0 \u6216 1 \u7684\u5956\u52b1\u3002<\/p>\n<p>\u8868 1 \u6bd4\u8f83\u4e86 ColBench \u4e0e\u73b0\u6709\u7684\u5176\u5b83\u57fa\u51c6\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s5.51cto.com\/oss\/202503\/24\/94b8e2e151870eab11a13991ea8751ffc756b0.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<h4>SWEET-RL<\/h4>\n<p>SWEET-RL \u662f\u4e00\u79cd\u4e24\u9636\u6bb5\u8bad\u7ec3\u65b9\u6cd5\uff0c\u5982\u56fe 2 \u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s2.51cto.com\/oss\/202503\/24\/07f24812431e65e79a721076d15794004b58a3.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p><strong>\u7b2c\u4e00\u9636\u6bb5\uff1a\u5b66\u4e60\u5404\u4e2a\u8f6e\u6b21\u7684\u4f18\u52bf\u51fd\u6570<\/strong><\/p>\n<p>\u4e3a\u4e86\u5728\u63a8\u7406\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u6267\u884c\u663e\u5f0f credit \u5206\u914d\uff0c\u4e4b\u524d\u4e00\u4e9b\u7814\u7a76\u4f7f\u7528\u7684\u65b9\u6cd5\u662f\uff1a\u5148\u5b66\u4e60\u4e00\u4e2a\u663e\u5f0f\u7684\u4ef7\u503c\u51fd\u6570\uff0c\u7136\u540e\u4ece\u5b66\u4e60\u5230\u7684\u4ef7\u503c\u51fd\u6570\u4e2d\u5f97\u51fa\u6bcf\u4e2a\u5355\u72ec\u52a8\u4f5c\u7684\u4f18\u52bf\u3002<\/p>\n<p>\u7136\u800c\uff0c\u8be5\u56e2\u961f\u7684\u5b9e\u9a8c\u53d1\u73b0\uff0c\u5f53\u5fae\u8c03\u53ea\u80fd\u4f7f\u7528\u6709\u9650\u6570\u91cf\u7684\u6837\u672c\u65f6\uff0c\u8fd9\u79cd\u4ef7\u503c\u51fd\u6570\u4e0d\u80fd\u5f88\u597d\u5730\u6cdb\u5316\u3002\u4ed6\u4eec\u731c\u60f3\u8fd9\u662f\u56e0\u4e3a\u5728\u63a8\u7406\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u5b66\u4e60\u51c6\u786e\u7684\u4ef7\u503c\u51fd\u6570\u672c\u8eab\u5c31\u662f\u4e00\u9879\u8270\u5de8\u7684\u4efb\u52a1\uff0c\u5e76\u4e14\u4e0d\u80fd\u6709\u6548\u5730\u5229\u7528\u9884\u8bad\u7ec3 LLM \u7684\u63a8\u7406\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n<p>\u7531\u4e8e\u6267\u884c credit \u5206\u914d\u7684\u6700\u7ec8\u76ee\u6807\u662f\u5f97\u51fa\u6bcf\u4e2a\u52a8\u4f5c\u7684\u4f18\u52bf\uff0c\u8fd9\u5bf9\u4e8e LLM \u6765\u8bf4\u53ef\u80fd\u6bd4\u4f30\u8ba1\u9884\u671f\u7684\u672a\u6765\u56de\u62a5\u66f4\u5bb9\u6613\uff0c\u56e0\u6b64\u8be5\u56e2\u961f\u63d0\u51fa\u76f4\u63a5\u5b66\u4e60\u6bcf\u4e2a\u8f6e\u6b21\u52a8\u4f5c\u7684\u4f18\u52bf\u51fd\u6570\u3002<\/p>\n<p>\u8003\u8651\u5230\u504f\u597d\u4f18\u5316\u5df2\u7ecf\u5728 LLM \u5fae\u8c03\u65b9\u9762\u5f97\u5230\u6210\u529f\u5e94\u7528\uff0c\u56e0\u6b64\u8be5\u56e2\u961f\u63d0\u51fa\u6839\u636e\u8f68\u8ff9\u7684\u504f\u597d\u5bf9\u6765\u8bad\u7ec3\u6bcf\u8f6e\u6b21\u4f18\u52bf\u51fd\u6570\u3002<\/p>\n<p>\u7ed9\u5b9a\u540c\u4e00\u4efb\u52a1\u7684\u4e24\u6761\u8f68\u8ff9\uff0c\u5e76\u9644\u52a0\u8bad\u7ec3\u65f6\u95f4\u4fe1\u606f c\uff0c\u6839\u636e\u5b83\u4eec\u7684\u7d2f\u79ef\u5956\u52b1\u5c06\u5b83\u4eec\u6807\u8bb0\u4e3a\u9009\u53d6 \u03c4+ \u548c\u62d2\u7edd \u03c4\u2212\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4fbf\u53ef\u4ee5\u91c7\u7528 Bradley-Terry \u76ee\u6807\u8fdb\u884c\u5fae\u8c03\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s2.51cto.com\/oss\/202503\/24\/d6bbeea80a8988ee2c5630c8b07a8130dc4618.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p>\u7136\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f18\u52bf\u51fd\u6570\u91cd\u5199\u8fd9\u4e2a\u76ee\u6807\u51fd\u6570\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s4.51cto.com\/oss\/202503\/24\/62e609428c1d26f3eaa9739f52a5eae62d8f97.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p>\u76f4\u89c2\u5730\u8bb2\uff0c\u7c7b\u4f3c\u4e8e\u5355\u8f6e RLHF \u7684\u76ee\u6807\uff0c\u5373\u5b66\u4e60\u6bcf\u4e2a\u9009\u53d6\u54cd\u5e94\u7684\u9ad8\u5956\u52b1\u548c\u6bcf\u4e2a\u62d2\u7edd\u54cd\u5e94\u7684\u4f4e\u5956\u52b1\uff0c2 \u5f0f\u7684\u6548\u679c\u662f\u589e\u52a0\u9009\u53d6\u8f68\u8ff9\u4e2d\u6bcf\u4e2a\u52a8\u4f5c\u7684\u4f18\u52bf\u5e76\u964d\u4f4e\u62d2\u7edd\u8f68\u8ff9\u4e2d\u6bcf\u4e2a\u52a8\u4f5c\u7684\u4f18\u52bf\u3002<\/p>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u5c06\u5b66\u4e60\u76ee\u6807\u4e0e\u4e0b\u4e00 token \u9884\u6d4b\u9884\u8bad\u7ec3\u5bf9\u9f50\uff0c\u8be5\u56e2\u961f\u7684\u505a\u6cd5\u662f\u91cd\u65b0\u5229\u7528 LLM \u7684\u73b0\u6709\u8bed\u8a00\u6a21\u578b\u5934\u6765\u53c2\u6570\u5316\u4f18\u52bf\u51fd\u6570\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s3.51cto.com\/oss\/202503\/24\/b5d19687918cef3230a838949bf656552e0ad1.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p><strong>\u7b2c\u4e8c\u9636\u6bb5\uff1a\u901a\u8fc7\u6bcf\u8f6e\u6d41\u7684\u4f18\u52bf\u4f18\u5316\u667a\u80fd\u4f53<\/strong><\/p>\n<p>\u8be5\u56e2\u961f\u5f97\u5230\u7684\u4e00\u4e2a\u91cd\u8981\u89c2\u5bdf\u662f\uff1a\u867d\u7136\u6700\u7ec8\u7b56\u7565 \u03c0_\u03c6 \u4e0d\u80fd\u4ee5\u9690\u85cf\u4fe1\u606f h \u4e3a\u6761\u4ef6\uff0c\u4f46\u6b64\u7c7b\u4fe1\u606f\u5728\u8bad\u7ec3\u671f\u95f4\u662f\u53ef\u7528\u7684\u3002\u7531\u4e8e\u4f18\u52bf LLM \u03c0_\u03b8 \u53ea\u4f1a\u5728\u8bad\u7ec3\u671f\u95f4\u4f7f\u7528\uff0c\u56e0\u6b64\u5b83\u53ef\u4ee5\u5c06 c \u4f5c\u4e3a 3 \u5f0f\u7684\u8f93\u5165\u3002<\/p>\n<p>\u76f4\u89c2\u5730\u8bb2\uff0c\u8bb8\u591a\u73b0\u5b9e\u95ee\u9898\uff08\u4f8b\u5982\u534f\u4f5c\u548c\u6570\u5b66\u63a8\u7406\uff09\u90fd\u5177\u6709\u4e00\u4e9b\u9690\u85cf\u7684\u8bad\u7ec3\u65f6\u95f4\u4fe1\u606f\uff0c\u4f8b\u5982\u53c2\u8003\u89e3\u3002\u5982\u679c\u6bcf\u8f6e\u6b21\u7684\u4f18\u52bf\u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee\u6b64\u7c7b\u8bad\u7ec3\u65f6\u95f4\u4fe1\u606f\uff0c\u90a3\u4e48\u5b83\u5e94\u8be5\u80fd\u591f\u66f4\u597d\u5730\u5224\u65ad\u7b56\u7565\u91c7\u53d6\u7684\u884c\u52a8\u662f\u5426\u5728\u6b63\u786e\u7684\u8f68\u9053\u4e0a\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u4ed6\u4eec\u4e3a\u6bcf\u8f6e\u6b21\u7684\u4f18\u52bf\u51fd\u6570\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u8bad\u7ec3\u65f6\u95f4\u4fe1\u606f c\uff0c\u800c\u4ec5\u5411\u7b56\u7565\u63d0\u4f9b\u4e86\u4ea4\u4e92\u5386\u53f2 o_t\uff0c\u4ece\u800c\u4ea7\u751f\u4e86\u4e0d\u5bf9\u79f0\u7684 actor-critic \u7ed3\u6784\u3002\u539f\u5219\u4e0a\uff0cRLHF \u6587\u732e\u4e2d\u7684\u4efb\u4f55\u6210\u529f\u7b97\u6cd5\u90fd\u53ef\u7528\u4e8e\u4f18\u5316\u6bcf\u8f6e\u6b21\u7b56\u7565 \u03c0_\u03c6\uff0c\u65b9\u6cd5\u662f\u5c06\u4ea4\u4e92\u5386\u53f2\u89c6\u4e3a\u63d0\u793a\u8bcd\uff0c\u5c06\u6bcf\u8f6e\u6b21\u4f18\u52bf\u51fd\u6570 A_\u03b8 \u89c6\u4e3a\u5956\u52b1\u6a21\u578b\u3002\u5728\u8bad\u7ec3\u7b56\u7565\u7684\u8fd9\u4e2a\u9636\u6bb5\uff0c\u4e0d\u9700\u8981\u4eba\u7c7b\u5408\u4f5c\u8005\u7684\u4e92\u52a8\u3002<\/p>\n<p>\u4e3a\u4e86\u7b80\u5355\uff0c\u8be5\u56e2\u961f\u9009\u62e9\u4f7f\u7528 DPO \u8fdb\u884c\u8bad\u7ec3\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u8f6e\u6b21 t\uff0c\u9996\u5148\u4ece\u7ed9\u5b9a\u4ea4\u4e92\u5386\u53f2 o_t \u7684\u5f53\u524d\u7b56\u7565\u4e2d\u62bd\u53d6\u5019\u9009\u52a8\u4f5c\uff0c\u5e76\u6839\u636e\u5b66\u4e60\u5230\u7684\u6bcf\u8f6e\u6b21\u4f18\u52bf\u51fd\u6570\u5bf9\u5b83\u4eec\u8fdb\u884c\u6392\u5e8f\uff0c\u4ee5\u83b7\u5f97\u8981\u9009\u53d6\u548c\u62d2\u7edd\u7684\u52a8\u4f5c\u3002\u7136\u540e\uff0c\u4f7f\u7528\u6807\u51c6 DPO \u635f\u5931\u4f18\u5316\u6bcf\u4e2a\u8f6e\u6b21\u7684\u7b56\u7565\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s3.51cto.com\/oss\/202503\/24\/e85b23d031c2ceedb1a012785bf4053e4f7f00.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u6bcf\u4e2a\u8f6e\u6b21\u90fd\u4f1a\u91c7\u6837 16 \u4e2a\u5019\u9009\u52a8\u4f5c\uff0c\u5e76\u4ece\u524d 50% \u5206\u4f4d\u6570\u4e2d\u968f\u673a\u9009\u62e9\u52a8\u4f5c\u4f5c\u4e3a\u9009\u53d6\u52a8\u4f5c\uff0c\u4ece\u540e 50% \u5206\u4f4d\u6570\u4e2d\u968f\u673a\u9009\u62e9\u52a8\u4f5c\u4f5c\u4e3a\u62d2\u7edd\u52a8\u4f5c\u3002<\/p>\n<h4>\u5b9e\u9a8c\u8868\u73b0<\/h4>\n<p>\u4f5c\u4e3a\u591a\u8f6e\u5f3a\u5316\u5b66\u4e60\u7b97\u6cd5\uff0cSWEET-RL \u7a76\u7adf\u80fd\u4e0d\u80fd\u6709\u6548\u5730\u8bad\u7ec3 LLM \u667a\u80fd\u4f53\u6765\u5b8c\u6210\u590d\u6742\u7684\u534f\u4f5c\u4efb\u52a1\u5462\uff1f\u4e3a\u6b64\uff0c\u8be5\u56e2\u961f\u8fdb\u884c\u4e86\u5b9e\u9a8c\u9a8c\u8bc1\u3002<\/p>\n<p><strong>\u5728 ColBench \u4e0a\u7684\u8868\u73b0<\/strong><\/p>\n<p>\u8868 2 \u5c55\u793a\u4e86\u5728 ColBench \u4e0a\uff0c\u4e0d\u540c LLM \u548c\u591a\u8f6e RL \u7b97\u6cd5\u7684\u6027\u80fd\u60c5\u51b5\u3002<\/p>\n<p><img decoding=\"async\" title=\"\u56fe\u7247\" src=\"https:\/\/s9.51cto.com\/oss\/202503\/24\/b713d7f80444ee970de0384adbfdd29c368de4.webp\" alt=\"\u56fe\u7247\" data-type=\"inline\" \/><\/p>\n<p>\u9996\u5148\uff0c\u6bd4\u8f83\u300c\u5355\u8f6e\u300d\u7ed3\u679c\u548c\u5176\u4ed6\u534f\u4f5c\u7ed3\u679c\uff0c\u53ef\u4ee5\u770b\u5230\u591a\u8f6e\u534f\u4f5c\u53ef\u4ee5\u901a\u8fc7\u5c06\u6700\u7ec8\u7ed3\u679c\u4e0e\u4eba\u7c7b\u6a21\u62df\u5668\u7684\u53c2\u8003\u300c\u671f\u671b\u300d\u66f4\u7d27\u5bc6\u5730\u7ed3\u5408\u8d77\u6765\uff0c\u4ece\u800c\u5927\u5927\u63d0\u9ad8 LLM \u667a\u80fd\u4f53\u5728 artifact \u521b\u5efa\u65b9\u9762\u7684\u6027\u80fd\u3002\u5982\u679c\u667a\u80fd\u4f53\u5fc5\u987b\u5728\u4e00\u4e2a\u8f6e\u6b21\u5185\u76f4\u63a5\u751f\u4ea7\u6700\u7ec8\u7ed3\u679c\uff0c\u90a3\u4e48\u5373\u4f7f\u662f\u8868\u73b0\u6700\u597d\u7684 GPT-4o \u4e5f\u53ea\u80fd\u8fbe\u5230 16.2%\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c<strong>\u5982\u679c\u8ba9\u6240\u6709\u6a21\u578b\u6709\u673a\u4f1a\u4e0e\u4eba\u7c7b\u6a21\u62df\u5668\u8fdb\u884c\u591a\u8f6e\u4ea4\u4e92\u5e76\u6536\u96c6\u66f4\u591a\u4fe1\u606f\uff0c\u5219\u6240\u6709\u6a21\u578b\u7684\u6210\u529f\u7387\u90fd\u80fd\u500d\u589e<\/strong>\uff08\u4f8b\u5982\uff0cLlama-3.1-8B-Instruct \u7684\u6210\u529f\u7387\u4ece 6.9% \u589e\u52a0\u5230 22.4%\uff09\u3002<\/p>\n<p>\u5c3d\u7ba1\u5982\u6b64\uff0c\u5373\u4f7f\u5bf9\u4e8e GPT-4o \u548c o1-mini \u7b49\u4e13\u6709 LLM \u6765\u8bf4\uff0c\u591a\u8f6e\u534f\u4f5c\u4ecd\u7136\u662f\u4e00\u9879\u5177\u6709\u6311\u6218\u6027\u7684\u4efb\u52a1\uff0c\u5b83\u4eec\u7684\u6210\u529f\u7387\u5206\u522b\u53ea\u80fd\u8fbe\u5230 40.4% \u548c 30.3%\u3002\u5c3d\u7ba1 o1-mini \u5728\u6570\u5b66\u548c\u7f16\u7801\u7b49\u7b26\u53f7\u63a8\u7406\u4efb\u52a1\u4e0a\u6709\u6240\u6539\u8fdb\uff0c\u4f46\u8be5\u56e2\u961f\u89c2\u5bdf\u5230\u8fd9\u4e9b\u6539\u8fdb\u5e76\u6ca1\u6709\u76f4\u63a5\u8ba9\u591a\u8f6e\u534f\u4f5c\u667a\u80fd\u4f53\u91c7\u7528\u66f4\u597d\u7684\u7b56\u7565\uff0c\u8fd9\u8868\u660e<strong>\u4e3a\u4e86\u8ba9 LLM \u4f18\u5316\u4e0e\u4eba\u7c7b\u7684\u534f\u4f5c\uff0c\u4e0b\u6e38\u5fae\u8c03\u4ecd\u7136\u662f\u5fc5\u8981\u7684\u3002<\/strong><\/p>\n<p><strong>SWEET-RL \u4e0e\u5176\u5b83\u7b97\u6cd5\u7684\u6bd4\u8f83<\/strong><\/p>\n<p>\u5728\u4f7f\u7528\u4e0b\u6e38\u6570\u636e\u8fdb\u884c\u5fae\u8c03\u540e\uff0c\u53ef\u4ee5\u770b\u5230\u5373\u4f7f\u662f\u6700\u7b80\u5355\u7684 RL \u7b97\u6cd5\u62d2\u7edd\u5f0f\u5fae\u8c03\uff08Rejection 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