head to head · open source
Jan vs rikkahub
Jan has 45,409 GitHub stars, 3,145 forks, 521 open issues and last shipped yesterday. rikkahub has 8,632 stars, 849 forks, 282 open issues and last shipped 3 days ago. Jan leads on adoption by 426% (45,409 vs 8,632 stars). Jan is written in Rust under a custom or non-standard licence; rikkahub is written in Kotlin under AGPL-3.0. Jan has attracted 7% as many forks as stars, rikkahub 10%. Jan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatgpt), 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
| Jan | rikkahub | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 8.6K |
| License | Custom / other | AGPL-3.0 |
| Written in | Rust | Kotlin |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 3.1K | ⑂ 849 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Jan if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick rikkahub if
- You want the rikkahub feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and rikkahub fits your workflow better
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…
About rikkahub
RikkaHub A native Android LLM chat client that supports switching between different providers for conversations 🤖💬 Click to join our Discord server 👉 【RikkaHub】 简体中文 繁體中文 English 🚀 Download 🔗 Download from Website (Recommended) 🔗 Download from Google Play [!WARNING] There are many forked versions of RikkaHub. Issues with forks are unrelated to RikkaHub, so please use forks with caution to avoid privacy leaks or excessive permission requests. 💖 Sponsors ✨ Features 🎨 Material You Design and 🌙 Dark mode 📦 Workspace: a proot based Linux agent environment 🔄 Multiple AI Provider Support: custom API / URL /…
read the full rikkahub overview →
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Frequently asked questions
Is Jan or rikkahub more popular?
Jan has 45,409 GitHub stars and rikkahub has 8,632. Jan has the larger community by that measure.
Are Jan and rikkahub free?
Both are open source. Jan has no licence declared in this registry, and rikkahub is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Jan and rikkahub?
Jan is written in Rust and rikkahub in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Jan or rikkahub?
Choose Jan if you want the larger community (45,409 stars) or its Custom / other licence terms. Choose rikkahub if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.