head to head · open source
LibreChat vs FastGPT
LibreChat has 46,705 GitHub stars, 9,610 forks, 732 open issues and last shipped yesterday. FastGPT has 29,987 stars, 7,367 forks, 172 open issues and last shipped yesterday. LibreChat leads on adoption by 56% (46,705 vs 29,987 stars). LibreChat is written in TypeScript under MIT; FastGPT is written in TypeScript under a custom or non-standard licence. LibreChat has attracted 21% as many forks as stars, FastGPT 25%. FastGPT was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (claude, deepseek), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| LibreChat | FastGPT | |
|---|---|---|
| GitHub stars | ★ 47K | ★ 30K |
| License | MIT | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 9.6K | ⑂ 7.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick LibreChat if
- You weight community size — 47K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick FastGPT if
- You want the FastGPT feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and FastGPT fits your workflow better
About LibreChat
LibreChat English · 中文 🚀 What's New in v0.8.8 rc2 Agent run control: Interrupt an Agent before visible answer text, steer runs with files and quoted excerpts, durably queue follow ups, and recover saved partial work with Keep going or Answer now . Agent activity: Optional generated labels group reasoning and tool work, fold completed groups into live phase cards, keep generated files visible, summarize multi step phases, and show the current reasoning direction. Human in the loop Agents: Stream up to four related questions, pause for input or tool approval, and resume durably. Unified Agent Builder: Configure…
read the full LibreChat overview →
About FastGPT
FastGPT English 简体中文 Bahasa Indonesia ไทย Tiếng Việt 日本語 FastGPT 是一个 AI Agent 构建平台，提供开箱即用的数据处理、模型调用等能力，同时可以通过 Flow 可视化进行工作流编排，从而实现复杂的应用场景。 快速开始 可以通过 Docker 快速启动 FastGPT，在终端输入以下命令，根据引导完成输入即可拉取配置。 bash 输入命令拉取配置文件 bash 💪 我们的项目 & 链接 快速开始本地开发 OpenAPI 文档 FastGPT plugin AI Proxy: 模型聚合负载均衡服务 Sealos：快速部署集群应用 🌿 第三方生态 AI Proxy：大模型聚合服务 SiliconCloud (硅基流动) —— 开源模型在线体验平台 🏘️ 社区交流群 扫码加入飞书话题群： 🤝 贡献者 我们非常欢迎各种形式的贡献。如果你对贡献代码感兴趣，可以查看我们的 GitHub Issues，大展身手，向我们展示你的奇思妙想。 🌟 Star History 使用协议 本仓库遵循 FastGPT Open Source License 开源协议。 1. 允许作为后台服务直接商用，但不允许提供 SaaS 服务。 2. 未经商业授权，任何形式的商用服务均需保留相关版权信息。 3. 完整请查看 FastGPT Open Source License 4…
read the full FastGPT overview →
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Frequently asked questions
Is LibreChat or FastGPT more popular?
LibreChat has 46,705 GitHub stars and FastGPT has 29,987. LibreChat has the larger community by that measure.
Are LibreChat and FastGPT free?
Both are open source. LibreChat is licensed under MIT, and FastGPT has no licence declared in this registry. Both are free to self-host.
What is the difference between LibreChat and FastGPT?
LibreChat is written in TypeScript and FastGPT in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, LibreChat or FastGPT?
Choose LibreChat if you want the larger community (46,705 stars) or its MIT licence terms. Choose FastGPT if its feature set, stack or Custom / other licence fits better. Both are self-hostable.