Side-by-side comparison · open source
FastChat vs LiteLLM
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Open Source
FastChat
An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
Open Source
LiteLLM
A Python SDK and a self-hosted proxy, the LiteLLM AI Gateway, that let apps call more than 100 model providers through one OpenAI-format API, with virtual keys, budgets, fallbacks and spend tracking.
Checked facts
Line by line
| Measure | FastChat | LiteLLM |
|---|---|---|
| Enterprise DNA source review | Not checked yet | Reviewed by Enterprise DNA editorial |
| Latest version | 0.2.36 (for 11 Feb 2024) | 1.106.4 (for 25 Oct 2026) |
| GitHub stars | 39,552 | 59,647 |
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