Files
langchain/libs/partners/deepseek
Mason Daugherty 231e8d0f43 deepseek[patch]: ruff fixes and rules (#31901)
* bump ruff deps
* add more thorough ruff rules
* fix said rules
2025-07-07 21:54:44 -04:00
..

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.")