head to head · open source
AstrBot vs Jan
AstrBot has 45,662 GitHub stars, 3,350 forks, 1,516 open issues and last shipped yesterday. Jan has 45,332 stars, 3,133 forks, 521 open issues and last shipped yesterday. AstrBot leads on adoption by 1% (45,662 vs 45,332 stars). AstrBot is written in Python under AGPL-3.0; Jan is written in Rust under a custom or non-standard licence. AstrBot has attracted 7% as many forks as stars, Jan 7%. Jan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (chatgpt, gpt, llm), 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 | Jan | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 45K |
| License | AGPL-3.0 | Custom / other |
| Written in | Python | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.4K | ⑂ 3.1K |
| 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 Jan if
- You want the Jan feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and Jan 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…
read the full AstrBot overview →
About Jan
Jan Open source ChatGPT replacement English · 中文 · 日本語 Getting Started Community Changelog Bug reports Jan is bringing the best of open source AI in an easy to use product. Download and run LLMs with full control and privacy . Installation The easiest way to get started is by downloading one of the following versions for your respective operating system: Platform Download Windows jan.exe macOS jan.dmg Linux (deb) jan.deb Linux (AppImage) jan.AppImage Linux (Arm64) How to Download from jan.ai or GitHub Releases. Features Local AI Models : Download and run LLMs (Llama, Gemma, Qwen, GPT oss etc.) from HuggingFace…
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Frequently asked questions
Is AstrBot or Jan more popular?
AstrBot has 45,662 GitHub stars and Jan has 45,332. AstrBot has the larger community by that measure.
Are AstrBot and Jan free?
Both are open source. AstrBot is licensed under AGPL-3.0, and Jan has no licence declared in this registry. Both are free to self-host.
What is the difference between AstrBot and Jan?
AstrBot is written in Python and Jan in Rust. 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 Jan?
Choose AstrBot if you want the larger community (45,662 stars) or its AGPL-3.0 licence terms. Choose Jan if its feature set, stack or Custom / other licence fits better. Both are self-hostable.