head to head · open source
Open WebUI vs AstrBot
Open WebUI has 157,575 GitHub stars, 22,923 forks, 294 open issues and last shipped yesterday. AstrBot has 45,662 stars, 3,350 forks, 1,516 open issues and last shipped yesterday. Open WebUI leads on adoption by 245% (157,575 vs 45,662 stars). Open WebUI is written in Python under a custom or non-standard licence; AstrBot is written in Python under AGPL-3.0. Open WebUI has attracted 15% as many forks as stars, AstrBot 7%. Open WebUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (ai, 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
| Open WebUI | AstrBot | |
|---|---|---|
| GitHub stars | ★ 158K | ★ 46K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 23K | ⑂ 3.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 158K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick AstrBot if
- You want the AstrBot feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and AstrBot fits your workflow better
About Open WebUI
Open WebUI 👋 Open WebUI is a home for AI , a self hosted AI platform that's extensible , feature rich , user friendly, and built to run entirely offline . With support for Ollama and OpenAI compatible APIs , it gives you a powerful, provider agnostic interface for both local and cloud based models. Passionate about open source AI? Join our team → [!TIP] Looking for an Enterprise Plan? – Speak with Our Sales Team Today! For more information, be sure to check out our Open WebUI Documentation. Key Features of Open WebUI ⭐ 🚀 Effortless Setup : Install seamlessly via pip, uv, Docker, or Kubernetes (kubectl…
read the full Open WebUI overview →
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…
read the full AstrBot overview →
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Frequently asked questions
Is Open WebUI or AstrBot more popular?
Open WebUI has 157,575 GitHub stars and AstrBot has 45,662. Open WebUI has the larger community by that measure.
Are Open WebUI and AstrBot free?
Both are open source. Open WebUI has no licence declared in this registry, and AstrBot is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Open WebUI and AstrBot?
Open WebUI is written in Python and AstrBot in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or AstrBot?
Choose Open WebUI if you want the larger community (157,575 stars) or its Custom / other licence terms. Choose AstrBot if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.