代码示例 / Python

python 简单langchain 调用openai demo

识别链接格式图片

pip install langchain_openai

pip install langchain

#新版本langchina

from langchain_openai import ChatOpenAI



llm = ChatOpenAI(

    openai_api_base="https://www.cokeapi.com/v1",

    openai_api_key="sk-xxxxx"

)



res = llm.invoke("hello")

print(res.content)



#老版本langchina  通过设置环境变量的形式设置中转地址

$env:OPENAI_BASE_URL="https://www.cokeapi.com/v1"

$env:COKEAPI_API_KEY="sk-xxxxx"