Rank #163 39,550 starsPython

FastChat

by lm-sys (organization)

An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena. (description from the project’s GitHub page)

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Repository facts

Stars: 39,550
Forks: 4,781
Open issues and pull requests: 1,049
Primary language: Python
License: Apache License 2.0 (Apache-2.0)
Owner: lm-sys · Organization
Created: Mar 19, 2023
Last push: May 1, 2026

Rank #163 of 9,507 in AI on GitHub, by stars. Data from the GitHub API, fetched Oct 18, 2026; star counts change daily. Stars measure popularity, not quality or safety, and a listing is not an endorsement. How this list is made

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