python 简单langchain 调用openai demo

识别链接格式图片

js

pip install langchain_openai
pip install langchain

python

#新版本langchina
from langchain_openai import ChatOpenAI

llm = ChatOpenAI(
    openai_api_base="https://www.anyapi.vip/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.anyapi.vip/v1"
$env:OPENAI_API_KEY="sk-xxxxx"