LiteLLM is a library that provides a unified OpenAI-compatible API for calling over 100 language models while managing provider switching, rate limits, and cost tracking.
Call 100+ LLMs with a unified OpenAI-compatible API. Switch providers, manage rate limits, and track costs across every model from one library.
LiteLLM holds a HookFlow heat score of 48/100 in AI Frameworks, currently showing a clear upward trajectory in community and search signals. Over the last 7 days its score moved +17 points (up), -2 over 30 days. On the Lock-In Index it scores 100/100 (high lock-in, with significant switching cost).
0–100 viral momentum index combining social buzz, search trends & growth velocity
Computed from 2 live sources in the latest pipeline run — more sources, higher confidence.
LiteLLM supports over 100 language models across multiple providers through a single unified API interface.
LiteLLM provides an OpenAI-compatible API, allowing you to use the same code structure regardless of which underlying LLM provider you choose.
Yes, LiteLLM is free and open source.
A.R.C. ratings are calculated for developer infrastructure and API-first tools. This tool hasn't been evaluated yet or falls outside the A.R.C. scope.
Lower = more portable. 0 = fully open, 100 = maximum lock-in.
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