head to head · open source
ComfyUI vs ChatUI
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped yesterday. ChatUI has 4,463 stars, 426 forks, 53 open issues and last shipped 24 days ago. ComfyUI leads on adoption by 3,147% (144,907 vs 4,463 stars). ComfyUI is written in Python under GPL-3.0; ChatUI is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, ChatUI 10%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | ChatUI | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 4.5K |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-10-12 |
| Forks | ⑂ 17K | ⑂ 426 |
| 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 ChatUI if
- You want the ChatUI feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and ChatUI 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…
read the full ComfyUI overview →
About ChatUI
The UI design language and React library for Conversational UI Website： English 简体中文 Features 😎 Best Practices : The best practice for chat interaction based on our experience of Alime Chatbot 🛡 TypeScript : Written in TypeScript with predictable static types 📱 Responsive : Responsive design to adapt automatically to whatever device ♿ Accessibility : Accessibility support and get the certification from Accessibility Research Association 🎨 Theming : Powerful theme customization in every detail 🌍 International : Internationalization support for dozens of languages Environment Support Modern browsers (support…
read the full ChatUI overview →
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Frequently asked questions
Is ComfyUI or ChatUI more popular?
ComfyUI has 144,907 GitHub stars and ChatUI has 4,463. ComfyUI has the larger community by that measure.
Are ComfyUI and ChatUI free?
Both are open source. ComfyUI is licensed under GPL-3.0 and ChatUI under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and ChatUI?
ComfyUI is written in Python and ChatUI 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 ChatUI?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose ChatUI if its feature set, stack or MIT licence fits better. Both are self-hostable.