head to head · open source
ComfyUI vs AionUi
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped today. AionUi has 34,024 stars, 3,552 forks, 905 open issues and last shipped 12 days ago. ComfyUI leads on adoption by 326% (144,907 vs 34,024 stars). ComfyUI is written in Python under GPL-3.0; AionUi is written in TypeScript under Apache-2.0. ComfyUI has attracted 12% as many forks as stars, AionUi 10%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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
| ComfyUI | AionUi | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 34K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-10-23 |
| Forks | ⑂ 17K | ⑂ 3.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 145K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick AionUi if
- You want the AionUi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and AionUi fits your workflow better
About ComfyUI
ComfyUI The most powerful and modular AI engine for content creation. [![Website][website shield]][website url] [![Dynamic JSON Badge][discord shield]][discord url] [![Twitter][twitter shield]][twitter url] [![Matrix][matrix shield]][matrix url] [![][github release shield]][github release link] [![][github release date shield]][github release link] [![][github downloads shield]][github downloads link] [![][github downloads latest shield]][github downloads link] [matrix shield]: [matrix url]: [website shield]: [website url]: [discord shield]: [discord url]: [twitter shield]: [twitter url]: [github release…
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About AionUi
A free, open source, Cowork app with AI Agents Built in Agent Zero Setup Any API Key Multi Agents Remote Access Cross Platform 24/7 Automation English 简体中文 繁體中文 日本語 한국어 Español Português Türkçe Русский Українська Official Website 💬 Community: Discord (English) 微信 (中文群) Twitter 🎁 AionUi × Kimi Partnership : Free premium Kimi "Allegretto" plans ($39/mo · ¥199/mo value) for our contributors! View Campaign Details & How to Claim → Kimi K3 is here and works out of the box in AionUi — get a Kimi For Coding plan or an API key ( Global / China ) · ready to claim? comment here 📋 Quick Navigation Cowork in Action · Why…
read the full AionUi overview →
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Frequently asked questions
Is ComfyUI or AionUi more popular?
ComfyUI has 144,907 GitHub stars and AionUi has 34,024. ComfyUI has the larger community by that measure.
Are ComfyUI and AionUi free?
Both are open source. ComfyUI is licensed under GPL-3.0 and AionUi under Apache-2.0. Neither carries a licence fee.
What is the difference between ComfyUI and AionUi?
ComfyUI is written in Python and AionUi 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, ComfyUI or AionUi?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose AionUi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.