head to head · open source
Jan vs ChatALL
Jan has 44,512 GitHub stars, 3,032 forks, 521 open issues and last shipped yesterday. ChatALL has 16,496 stars, 1,723 forks, 234 open issues and last shipped 7 days ago. Jan leads on adoption by 170% (44,512 vs 16,496 stars). Jan is written in TypeScript under a custom or non-standard licence; ChatALL is written in JavaScript under Apache-2.0. Jan has attracted 7% as many forks as stars, ChatALL 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 | ChatALL | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 16K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-11 |
| Forks | ⑂ 3.0K | ⑂ 1.7K |
| 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 TypeScript
- You value the larger contributor base for long-term maintenance
pick ChatALL if
- You want the ChatALL feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and ChatALL fits your workflow better
About Jan
Jan is an open source desktop application that serves as a ChatGPT replacement, enabling users to run large language models (LLMs) locally on their machines or connect to cloud based providers like OpenAI and Anthropic. It is built with Tauri, TypeScript, and integrates llama.cpp for efficient local inference, targeting privacy conscious users who want full control over their AI workflows without sending data to third parties.
About ChatALL
ChatALL is an open source desktop application that sends one prompt to many AI bots concurrently so users can compare answers and discover the best result, and it is built for LLM gurus, LLM researchers, and developers of LLM applications.
read the full ChatALL overview →
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Frequently asked questions
Is Jan or ChatALL more popular?
Jan has 44,512 GitHub stars and ChatALL has 16,496. Jan has the larger community by that measure.
Are Jan and ChatALL free?
Both are open source. Jan has no licence declared in this registry, and ChatALL is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Jan and ChatALL?
Jan is written in TypeScript and ChatALL in JavaScript. 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 ChatALL?
Choose Jan if you want the larger community (44,512 stars) or its Custom / other licence terms. Choose ChatALL if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.