head to head · open source
ComfyUI vs moltis
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped yesterday. moltis has 2,939 stars, 362 forks, 83 open issues and last shipped 13 days ago. ComfyUI leads on adoption by 4,830% (144,907 vs 2,939 stars). ComfyUI is written in Python under GPL-3.0; moltis is written in Rust under MIT. ComfyUI has attracted 12% as many forks as stars, moltis 12%. 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 | moltis | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 2.9K |
| License | GPL-3.0 | MIT |
| Written in | Python | Rust |
| Last push | 2026-11-04 | 2026-10-23 |
| Forks | ⑂ 17K | ⑂ 362 |
| 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 moltis if
- You want the moltis feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and moltis 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 moltis
Moltis — A secure persistent personal agent server in Rust One binary — sandboxed, secure, yours. Installation • Comparison • Architecture • Security • Features • How It Works • Contributing Moltis recently hit the front page of Hacker News. Please open an issue for any friction at all. I'm focused on making Moltis excellent. Secure by design — Your keys never leave your machine. Every command runs in a sandboxed container, never on your host. Your hardware — Runs on a Mac Mini, a Raspberry Pi, or any server you own. One Rust binary, no Node.js, no npm, no runtime. Full featured — Voice, memory, cross session…
read the full moltis overview →
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Frequently asked questions
Is ComfyUI or moltis more popular?
ComfyUI has 144,907 GitHub stars and moltis has 2,939. ComfyUI has the larger community by that measure.
Are ComfyUI and moltis free?
Both are open source. ComfyUI is licensed under GPL-3.0 and moltis under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and moltis?
ComfyUI is written in Python and moltis in Rust. 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 moltis?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose moltis if its feature set, stack or MIT licence fits better. Both are self-hostable.