> ## Documentation Index
> Fetch the complete documentation index at: https://nvd-54.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# LiteLLM 集成

> 使用 LangChain Python 与 LiteLLM 集成。

> [LiteLLM](https://github.com/BerriAI/litellm) is a library that simplifies calling Anthropic, Azure, Huggingface, Replicate, etc.

## 安装和设置

<CodeGroup>
  ```bash pip theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  pip install langchain-litellm
  ```

  ```bash uv theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
  uv add langchain-litellm
  ```
</CodeGroup>

## 聊天模型

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_litellm import ChatLiteLLM
```

```python theme={"theme":{"light":"catppuccin-latte","dark":"catppuccin-mocha"}}
from langchain_litellm import ChatLiteLLMRouter
```

See more detail in the [LiteLLM chat guide](/oss/python/integrations/chat/litellm).

***

## API 参考

For detailed documentation of all `ChatLiteLLM` and `ChatLiteLLMRouter` features and configurations head to the [API reference](https://reference.langchain.com/python/langchain-litellm).

***

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