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FastChat

by lm-sys · GitHub

An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.

⭐ Stars

39.5k

🍴 Forks

4.8k

🔥 Trending

+6 this week

📜 License

Apache-2.0

Commercial use OK

📅 Created

2023

🔄 Last commit

2 mo ago

💻 Language

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📈 Star history

2026-07-122026-07-22

📄 About

An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.

❓ Frequently asked questions

An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.

FastChat is an open-source project. It is released under the Apache-2.0 license.

Yes. FastChat is free and open source — you can use, modify and self-host it.

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