// Evaluate & guard
FastChatv0.2.36
An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
Open source Maintained For developers
IN ONE PARAGRAPH
FastChat is an open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
Good for: Developers and teams who want to evaluate & guard.
01How to start
- 1Read the official quick-start (link above).
- 2Install or sign up as the official guide describes.
- 3Try it on a small example before wiring it into a project.
02Alternatives & comparison
Compare side by side → promptfoo Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic. ★ 26k openai/evals Evals is a framework for evaluating LLMs and LLM systems, and an open-source registry of benchmarks. ★ 20k deepeval The LLM Evaluation Framework ★ 19k ragas Supercharge Your LLM Application Evaluations 🚀 ★ 16k lm-evaluation-harness A framework for few-shot evaluation of language models. ★ 14k