FastChat license, foundation and stars
LLM application frameworks · Apache 2.0 (open source) · 39,551 stars
An open platform for training, serving, and evaluating large language models. Release repo for Vicuna and Chatbot Arena.
License history
LICENSE fileApache 2.0 No license change recorded since the repository was created in 2023.
Latest release
No GitHub releases published; the project releases elsewhere (tags or its own site).
More in llm application frameworks
| Project | Stars | |||
|---|---|---|---|---|
 DifyLangGeniusDify Open Source License (Apache 2.0 with multi-tenant SaaS and logo restrictions) | Dify Open Source License (Apache 2.0 with multi-tenant SaaS and logo restrictions)changed Jul 2023 | 157k | - | - |
 langflowMIT | MIT | 155k | - | - |
 Open WebUIOpen WebUIOpen WebUI License (BSD-3-Clause plus branding-preservation clause) | Open WebUI License (BSD-3-Clause plus branding-preservation clause)changed Apr 2025 | 153k | - | - |
 LangChainLangChainMIT | MIT | 147k | +469 | langchain-core==1.6.5Sep 24, 2026 |
 ragflowApache 2.0 | Apache 2.0 | 91.3k | - | - |
 deer-flowMIT | MIT | 83k | - | - |
 gpt_academicGPL v3 | GPL v3 | 71.4k | - | - |
 anything-llmMIT | MIT | 66.4k | - | v1.16.2Sep 22, 2026 |
About and history
- Repository
- lm-sys/FastChat · created Mar 19, 2023
- Language
- Python
- Foundation
- None; run by its maintainers
- GitHub detects
- Apache-2.0
- Stars per week
- From the second weekly snapshot
Weekly snapshots
| Week of | Stars | |
|---|---|---|
| Sep 21, 2026 | 39,551 |
Changes
| What changed | |
|---|---|
| Sep 25, 2026 | TrackedAdded: lm-sys/FastChat |