LiteLLM

LiteLLM is a library that simplifies calling Anthropic, Azure, Huggingface, Replicate, etc. LLMs in a unified way.

You can use LiteLLM through either:

• LiteLLM Proxy Server - Server to call 100+ LLMs, load balance, cost tracking across projects
• LiteLLM python SDK - Python Client to call 100+ LLMs, load balance, cost tracking

Installation and setup

Install the litellm python package.

pip install litellm

Chat models

ChatLiteLLM

See a usage example.

from langchain_community.chat_models import ChatLiteLLM

API Reference:ChatLiteLLM

ChatLiteLLMRouter

You also can use the ChatLiteLLMRouter to route requests to different LLMs or LLM providers.

See a usage example.

from langchain_community.chat_models import ChatLiteLLMRouter

API Reference:ChatLiteLLMRouter