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LangChain.js 支持阿里巴巴通义千问 (qwen) 系列模型。

设置

你需要注册一个阿里巴巴 API 密钥,并将其设置为名为 ALIBABA_API_KEY 的环境变量。 然后,你需要安装 @langchain/community 包:
npm
npm install @langchain/community @langchain/core

用法

下面是一个例子:
import { ChatAlibabaTongyi } from "@langchain/community/chat_models/alibaba_tongyi";
import { HumanMessage } from "@langchain/core/messages";

// Default model is qwen-turbo
const qwenTurbo = new ChatAlibabaTongyi({
  alibabaApiKey: "YOUR-API-KEY", // In Node.js defaults to process.env.ALIBABA_API_KEY
});

// Use qwen-plus
const qwenPlus = new ChatAlibabaTongyi({
  model: "qwen-plus", // Available models: qwen-turbo, qwen-plus, qwen-max
  temperature: 1,
  alibabaApiKey: "YOUR-API-KEY", // In Node.js defaults to process.env.ALIBABA_API_KEY
});

const messages = [new HumanMessage("Hello")];

const res = await qwenTurbo.invoke(messages);
/*
AIMessage {
  content: "Hello! How can I help you today? Is there something you would like to talk about or ask about? I'm here to assist you with any questions you may have.",
}
*/

const res2 = await qwenPlus.invoke(messages);
/*
AIMessage {
  text: "Hello! How can I help you today? Is there something you would like to talk about or ask about? I'm here to assist you with any questions you may have.",
}
*/

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