{"id":1401,"date":"2024-05-09T11:32:13","date_gmt":"2024-05-09T11:32:13","guid":{"rendered":"https:\/\/www.nicekj.com\/?p=1401"},"modified":"2024-05-09T11:32:17","modified_gmt":"2024-05-09T11:32:17","slug":"yiwengaodong-langchain-models-er","status":"publish","type":"post","link":"https:\/\/www.nicekj.com\/yiwengaodong-langchain-models-er.html","title":{"rendered":"\ud83d\udd25\ud83d\udd25\ud83d\udd25\u4e00\u6587\u641e\u61c2 Langchain Models \uff08\u4e8c\uff09"},"content":{"rendered":"
\n

\u63a5\u4e0a\u6587\ud83d\udd25\ud83d\udd25\ud83d\udd25 \u4e00\u6587\u641e\u61c2 Langchain Models \uff08\u4e00\uff09<\/a>\u3002<\/p>\n<\/blockquote>\n

\u5927\u8bed\u8a00\u6a21\u578b\uff08LLMs\uff09\u4ecb\u7ecd<\/h2>\n

\u5b9e\u9645\u4e0a\uff0c\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08Large Language Models\uff09\u64cd\u4f5c\u8d77\u6765\u76f8\u5f53\u7b80\u5355\u3002<\/p>\n

\u4f60\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u7528\u81ea\u7136\u8bed\u8a00\u7684\u8f93\u5165\u7ed9\u5927\u8bed\u8a00\u6a21\u578b\uff1a<\/p>\n

<\/div>
text<\/span>
\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>\u5317\u4eac\u6709\u54ea\u4e9b\u8457\u540d\u666f\u70b9\uff1f<\/span>\n<\/code><\/pre>\n
\u7136\u540e\u6a21\u578b\u5c06\u8fd4\u56de\u4e00\u4e2a\u6587\u672c\uff1a<\/p>\n
<\/div>
text<\/span>
\u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>\u5317\u4eac\u7684\u8457\u540d\u7ecf\u5178\u6709\u6545\u5bab\u3001\u96cd\u738b\u5e9c\u3001\u9890\u548c\u56ed\u7b49<\/span>\n<\/code><\/pre>\n
LangChain\u5df2\u7ecf\u4e0e\u591a\u4e2a\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08LLMs\uff09\u8fdb\u884c\u4e86\u96c6\u6210\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1a<\/p>\n
    \n
  • AI21\uff1a\u4e00\u4e2a\u7531Jurassic-1\u8bed\u8a00\u6a21\u578b\u9a71\u52a8\u7684\u5e73\u53f0\uff0c\u7528\u4e8e\u6784\u5efa\u7406\u89e3\u548c\u751f\u6210\u81ea\u7136\u8bed\u8a00\u7684AI\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n
  • GPT4All\uff1a\u4e00\u4e2a\u5e73\u53f0\u8ba9\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u5728\u65e0\u9700\u7f16\u7801\u6216API\u5bc6\u94a5\u7684\u60c5\u51b5\u4e0b\u4e0eGPT-3\u548c\u5176\u4ed6\u8bed\u8a00\u6a21\u578b\u4e92\u52a8\u3002<\/li>\n
  • Hugging Face Hub\uff1a\u4e00\u4e2a\u6258\u7ba1\u6570\u5343\u4e2a\u9884\u8bad\u7ec3\u81ea\u7136\u8bed\u8a00\u5904\u7406\u4efb\u52a1\u6a21\u578b\u7684\u5e73\u53f0\u3002<\/li>\n
  • SageMakerEndpoint\uff1a\u4e00\u4e2a\u5de5\u5177\u5e2e\u52a9\u60a8\u901a\u8fc7\u7b80\u5355\u51e0\u884c\u4ee3\u7801\u5c06\u60a8\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u90e8\u7f72\u5728AWS SageMaker\u4e0a\u3002<\/li>\n
  • Azure OpenAI\uff1a\u4e00\u4e2a\u4e91\u670d\u52a1\uff08Azure\uff09\u63d0\u4f9b\u8bbf\u95eeOpenAI\u7684GPT-3\u8bed\u8a00\u6a21\u578b\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n
    \n
    \"image.png\"<\/figure>\n<\/p>\n
    \u5927\u8bed\u8a00\u6a21\u578b\u4f7f\u7528<\/h2>\n
    \u9996\u5148\u8981\u914d\u7f6eLLM\u6a21\u578b\uff0c\u9700\u8981\u4ecelangchain.llm\u6a21\u5757\u4e2d\u5bfc\u5165\u5b83\u3002<\/p>\n
    <\/div>
    python<\/span>
    \u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>from<\/span> langchain.llms import<\/span> OpenAI<\/span>\n<\/code><\/pre>\n
      \n
    • \u6ce8\u610f\uff1a\u4e3a\u4e86\u4f7f\u7528OpenAI \u6a21\u578b\uff0c\u4f60\u9700\u8981\u5b89\u88c5openai\u5e93\uff08pip install openai<\/code>\uff09<\/li>\n<\/ul>\n
      \u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u4e3aLLM\u8bbe\u7f6e\u4e00\u4e9b\u57fa\u672c\u8bbe\u7f6e\uff0c\u4f8b\u5982\uff1a<\/p>\n
        \n
      • model_name<\/code> – \u8981\u4f7f\u7528\u7684\u6a21\u578b\n\u4f8b\u5982\uff0c\u201ctext-davinci-003\u201d\uff08\u9ed8\u8ba4\u8bbe\u7f6e\uff09\u6216\u201ctext-ada-001\u201d\n\u8fd9\u4e9b\u8bbe\u7f6e\u4f1a\u6839\u636ellm\u63d0\u4f9b\u5546\u800c\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u60a8\u9700\u8981\u67e5\u9605\u60a8\u4f7f\u7528\u7684\u63d0\u4f9b\u5546\u7684API\u6587\u6863\u4ee5\u83b7\u53d6\u6a21\u578b\u503c<\/li>\n
      • n<\/code> – \u7ed9\u5b9a\u63d0\u793a\u521b\u5efa\u7684\u5b8c\u6210\u6b21\u6570\uff08\u9ed8\u8ba4\u4e3a1\uff09<\/li>\n
      • streaming<\/code> – \u7ed3\u679c\u662f\u5426\u5e94\u8be5\u201c\u6d41\u5f0f\u201d\u4f20\u8f93\uff08\u9ed8\u8ba4\u4e3aFalse\uff09\n\u6d41\u5f0f\u4f20\u8f93\u662f\u6307\u4eceLLM\u9010\u90e8\u8fd4\u56de\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u8fd4\u56de\u6574\u4e2a\u7ed3\u679c\n\u5728\u5f00\u53d1\u804a\u5929\u673a\u5668\u4eba\u4f53\u9a8c\u65f6\uff0c\u8fd9\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u6587\u672c\u662f\u9010\u884c\u7f16\u5199\u7684\uff0c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u8fd4\u56de\u4e00\u4e2a\u5de8\u5927\u7684\u54cd\u5e94\u5757\u3002<\/li>\n
      • temperature<\/code> – \u8fd9\u5c06\u8bbe\u7f6e\u201c\u91c7\u6837\u6e29\u5ea6\u201d\u8303\u56f4\u4e3a0\u52301\u3002\u6e29\u5ea6\u51b3\u5b9a\u8f93\u51fa\u4e2d\u7684\u968f\u673a\u7a0b\u5ea6\u3002\u6e29\u5ea6\u4e3a0\u65f6\u8868\u793a\u201c\u7cbe\u786e\u201d\uff0c\u5c06\u9009\u62e9\u6700\u53ef\u80fd\u7684\u8f93\u51fa\u8bcd\u3002\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u63d0\u793a\uff0c\u5b83\u5e94\u59cb\u7ec8\u8fd4\u56de\u76f8\u540c\u7684\u8f93\u51fa\uff1b\u6e29\u5ea6\u4e3a1\u65f6\u8868\u793a\u201c\u5bcc\u6709\u521b\u9020\u529b\u201d\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u63d0\u793a\uff0c\u5b83\u4f1a\u4ea7\u751f\u4e0d\u540c\u4e14\u6709\u65f6\u4ee4\u4eba\u60ca\u8bb6\u7684\u7ed3\u679c\uff1b\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a0.7\uff0c\u8fd9\u4ecd\u7136\u5177\u6709\u521b\u9020\u529b\uff0c\u4f46\u4e0d\u662f\u5b8c\u5168\u968f\u673a\u7684\u3002<\/li>\n<\/ul>\n
        <\/div>
        python<\/span>
        \u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>llm = OpenAI(model_name=\"text-davinci-003\"<\/span>, n=2<\/span>, temperature=0.4<\/span>)<\/span>\n<\/code><\/pre>\n
        \u73b0\u5728\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e0a\u9762\u914d\u7f6ellm\u8fdb\u884c\u57fa\u672c\u7684\u8f93\u5165\u8f93\u51fa\u64cd\u4f5c\u4e86\u3002<\/p>\n
        <\/div>
        python<\/span>
        \u590d\u5236\u4ee3\u7801<\/div><\/div><\/div><\/span>\nllm(\"\u4e2d\u56fd\u7684\u9996\u90fd\u662f\u54ea\u513f\uff1f\"<\/span>)<\/span>\n<\/span>\n# '\\n\\n\u5317\u4eac'<\/span><\/span>\n<\/span>\n<\/code><\/pre>\n
        \u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528generate\u51fd\u6570\u4f20\u5165\u4e00\u4e2a\u63d0\u793a\u8f93\u5165\u5217\u8868\uff0c\u8fd9\u5c06\u751f\u6210\u66f4\u4e30\u5bcc\u7684\u8f93\u51fa\uff0c\u5305\u62ec\u8bf8\u5982\u4ee4\u724c\u4f7f\u7528\u60c5\u51b5\uff08\u53ef\u7528\u4e8e\u8ddf\u8e2a\u4ee4\u724c\u548c\u6210\u672c\uff09\u7b49\u4fe1\u606f\u3002<\/p>\n
        <\/div>
        python<\/span>
        \u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>llm_result = llm.generate([\"\u7ed9\u6211\u5531\u9996\u6b4c\"<\/span>, \"\u7ed9\u6211\u5199\u9996\u8bd7\"<\/span>])<\/span>\n<\/code><\/pre>\n
        \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u6570\u7ec4\uff0c\u7528\u6765\u751f\u6210\u6bd4\u8f83\u590d\u6742\u7684\u7ed3\u679c\u3002<\/p>\n
        \u53e6\u4e00\u4e2a\u6709\u7528\u7684\u529f\u80fd\u662fget_num_tokens\uff0c\u5b83\u53ef\u4ee5\u4f30\u8ba1\u6587\u672c\u7247\u6bb5\u4e2d\u5305\u542b\u7684\u4ee4\u724c\u6570\u91cf\u3002\u5728\u9700\u8981\u5c06\u603b\u4ee4\u724c\u6570\u4fdd\u6301\u5728\u8bbe\u5b9a\u7684\u9650\u5236\u6216\u9884\u7b97\u4e4b\u5185\u65f6\uff0c\u8fd9\u4e2a\u529f\u80fd\u4f1a\u5f88\u6709\u7528\u3002<\/p>\n
        <\/div>
        python<\/span>
        \u590d\u5236\u4ee3\u7801<\/div><\/div><\/div>llm.get_num_tokens(\"\u4e2d\u56fd\u7684\u9996\u90fd\u662f\u54ea\u513f\uff1f\"<\/span>)<\/span>\n<\/code><\/pre>\n
          \n
        • \u6ce8\u610f\uff1a\u8fd9\u9700\u8981\u4f7f\u7528tiktoken\u5e93\u8fdb\u884c\u4f30\u8ba1\uff0c\u56e0\u6b64\u9700\u8981\u5b89\u88c5\u5b83\u624d\u80fd\u4f7f\u7528\uff08\u4f7f\u7528\u547d\u4ee4\uff1apip install tiktoken\uff09<\/li>\n<\/ul>\n
          \u9ad8\u9636\u529f\u80fd<\/h2>\n
          \u9664\u4e86\u6b63\u5e38\u7684LLM\u8c03\u7528\u4ee5\u5916\uff0clangchain\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e9bLLM\u7684\u9ad8\u7ea7\u7528\u6cd5\u3002<\/p>\n
            \n
          • \u5f02\u6b65\u8c03\u7528LLM<\/li>\n
          • \u7f13\u5b58\u529f\u80fd\uff0c\u91cd\u590d\u7684\u8bf7\u6c42\u4e0d\u53d1\u9001\u5230LLM<\/li>\n
          • \u4fdd\u5b58LLM\u914d\u7f6e\uff0c\u628a\u76f8\u5173\u53c2\u6570\u4ee5\u6587\u672c\u7684\u5f62\u5f0f\u5b58\u50a8\u8d77\u6765<\/li>\n
          • \u6d41\u5f0f\u5904\u7406\uff0c\u5373\u53ea\u8981\u6709response\u8fd4\u56de\uff0c\u5c31\u4f20\u8f93\u7ed9\u7528\u6237<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"
            \u5927\u8bed\u8a00\u6a21\u578b\uff08LLMs\uff09\u4ecb\u7ecd \u5b9e\u9645\u4e0a\uff0c\u5927\u578b\u8bed\u8a00\u6a21\u578b\uff08Large Language Models\uff09\u64cd\u4f5c\u8d77\u6765\u76f8\u5f53\u7b80\u5355\u3002 \u4f60\u53ef\u4ee5\u63d0\u4f9b\u4e00\u4e2a\u7528\u81ea\u7136\u8bed\u8a00\u7684\u8f93\u5165\u7ed9\u5927\u8bed\u8a00\u6a21\u578b\uff1a \u7136\u540e\u6a21\u578b\u5c06\u8fd4\u56de\u4e00\u4e2a\u6587\u672c\uff1a LangCha<\/p>\n","protected":false},"author":1,"featured_media":8257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","views":"5","footnotes":""},"categories":[3],"tags":[128,129,136,126,127],"collection":[],"class_list":["post-1401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fenlei2","tag-128","tag-129","tag-136","tag-gpt","tag-ai"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/1401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/comments?post=1401"}],"version-history":[{"count":0,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/posts\/1401\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/media\/8257"}],"wp:attachment":[{"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/media?parent=1401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/categories?post=1401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/tags?post=1401"},{"taxonomy":"collection","embeddable":true,"href":"https:\/\/www.nicekj.com\/nicekj2024\/wp\/v2\/collection?post=1401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}