langchain/libs/partners/deepseek/README.md

langchain-deepseek

This package contains the LangChain integration with the DeepSeek API

Installation

pip install -U langchain-deepseek

And you should configure credentials by setting the following environment variables:

• DEEPSEEK_API_KEY

Chat Models

ChatDeepSeek class exposes chat models from DeepSeek.

from langchain_deepseek import ChatDeepSeek

llm = ChatDeepSeek(model="deepseek-chat")
llm.invoke("Sing a ballad of LangChain.")