LangChain入门(一)访问LLM模型

GitHub – liaokongVFX/LangChain-Chinese-Getting-Started-Guide: LangChain 的中文入门教程LangChain 的中文入门教程. Contribute to liaokongVFX/LangChain-Chinese-Getting-Started-Guide development by creating an account on GitHub.https://github.com/liaokongVFX/LangChain-Chinese-Getting-Started-Guide 

目录

一、安装langchain

一、安装

pip install langchain

或者 

conda install langchain -c conda-forge

二、langchain依赖LLM模型、数据库、外部的api接口等，以openAI的为例

pip install openai

三、获取OpenAI的key

四、简单示例

import os
from langchain.llms import OpenAI

os.environ["OPENAI_API_KEY"] = '***************'


llm = OpenAI(model_name="text-davinci-003", max_tokens=1024)
result = llm("怎么评价人工智能")
print(result)