An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
Train and evaluate chatbots using a platform that supports multiple large language models.
git clone https://github.com/lm-sys/FastChat.git cd FastChat

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Free · no card · unsubscribe anytimeAn open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
FastChat has 39.5k stars on GitHub. It has been forked 4.8k times. FastChat is written mainly in Python. It has been in active development since 2023. FastChat is available under the Apache-2.0 license.
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.
FastChat is available under the Apache-2.0 license.
FastChat is written mainly in Python.
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