head to head · open source
ComfyUI vs catai
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped today. catai has 498 stars, 40 forks, 2 open issues and last shipped 12 months ago. ComfyUI leads on adoption by 28,998% (144,907 vs 498 stars). ComfyUI is written in Python under GPL-3.0; catai is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, catai 8%. 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 | catai | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 498 |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2025-11-16 |
| Forks | ⑂ 17K | ⑂ 40 |
| 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 catai if
- You want the catai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and catai 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 catai
Catai 🚀 Exciting Updates Coming Soon! New UI , Function Calling , and more amazing features are on the way! Stay tuned for updates. Run GGUF models on your computer with a chat ui. Your own AI assistant runs locally on your computer. Inspired by Node Llama Cpp, Llama.cpp Installation & Use Make sure you have Node.js ( download current ) installed. Features Auto detect programming language 🧑💻 Click on user icon to show original message 💬 Real time text streaming ⏱️ Fast model downloads 🚀 CLI Install command Cross platform You can use it on Windows, Linux and Mac. This package uses node llama cpp which…
read the full catai overview →
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Frequently asked questions
Is ComfyUI or catai more popular?
ComfyUI has 144,907 GitHub stars and catai has 498. ComfyUI has the larger community by that measure.
Are ComfyUI and catai free?
Both are open source. ComfyUI is licensed under GPL-3.0 and catai under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and catai?
ComfyUI is written in Python and catai 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 catai?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose catai if its feature set, stack or MIT licence fits better. Both are self-hostable.