LiteLLM

ActiveAI-native

Call every LLM API like it's OpenAI [100+ LLMs]

Y Combinator W23

What it does

LiteLLM is an open-source LLM Gateway with 50K+ stars on GitHub and trusted by companies like Rocket Money, Samsara, Lemonade, and Adobe. LiteLLM provides an open source Python SDK and Python FastAPI Server that allows calling 100+ LLM APIs (Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic) in the OpenAI format We have raised a $1.6M seed round from Y Combinator, Gravity Fund and Pioneer Fund

Its site says now · captured 2026-08-23

LiteLLM — Open-Source AI Gateway & LLM Proxy

LiteLLM is the open-source AI gateway that puts your full AI stack behind one OpenAI-compatible key. Track and cap LLM spend, route to the right model, and self-host anywhere — even air-gapped. 140+ providers, 1,892 models.

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