head to head · open source
AstrBot vs FastGPT
AstrBot has 45,879 GitHub stars, 3,368 forks, 1,516 open issues and last shipped 2 days ago. FastGPT has 29,987 stars, 7,367 forks, 172 open issues and last shipped yesterday. AstrBot leads on adoption by 53% (45,879 vs 29,987 stars). AstrBot is written in Python under AGPL-3.0; FastGPT is written in TypeScript under a custom or non-standard licence. AstrBot has attracted 7% 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 3 topic tags (agent, llm, mcp), 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
| AstrBot | FastGPT | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 30K |
| License | AGPL-3.0 | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 3.4K | ⑂ 7.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AstrBot if
- You weight community size — 46K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- 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 AstrBot
简体中文 ｜ 繁體中文 ｜ 日本語 ｜ Français ｜ Español ｜ Русский Documentation ｜ Blog ｜ Roadmap ｜ Issue Tracker ｜ Email Support AstrBot is an open source all in one Agent chatbot platform that integrates with mainstream instant messaging apps. It provides reliable and scalable conversational AI infrastructure for individuals, developers, and teams. Whether you're building a personal AI companion, intelligent customer service, automation assistant, or enterprise knowledge base, AstrBot enables you to quickly build production ready AI applications within your IM platform workflows. Key Features 1. 💯 Free & Open Source. 2. ✨ AI…
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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 AstrBot or FastGPT more popular?
AstrBot has 45,879 GitHub stars and FastGPT has 29,987. AstrBot has the larger community by that measure.
Are AstrBot and FastGPT free?
Both are open source. AstrBot is licensed under AGPL-3.0, and FastGPT has no licence declared in this registry. Both are free to self-host.
What is the difference between AstrBot and FastGPT?
AstrBot is written in Python 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, AstrBot or FastGPT?
Choose AstrBot if you want the larger community (45,879 stars) or its AGPL-3.0 licence terms. Choose FastGPT if its feature set, stack or Custom / other licence fits better. Both are self-hostable.