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LiteLLM

BerriAI/litellm
Library Not a standalone app — install it into your own project and call it from code.

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

Model gatewayAI agentSelf-hostable
LiteLLM website screenshot

From the README

LiteLLM is an open source AI Gateway that gives you a single, unified interface to call 100+ LLM providers — OpenAI, Anthropic, Gemini, Bedrock, Azure, and more — using the OpenAI format.

Stars
★ 59.4k
Language
Python
License
MIT
Last updated
2026-09-23
Category
AI agents
Section
General