head to head · open source
ComfyUI vs Fullmoon
ComfyUI has 145,017 GitHub stars, 17,260 forks, 4,894 open issues and last shipped yesterday. Fullmoon has 2,271 stars, 223 forks, 45 open issues and last shipped 1.5 years ago. ComfyUI leads on adoption by 6,286% (145,017 vs 2,271 stars). ComfyUI is written in Python under GPL-3.0; Fullmoon is written in Swift under MIT. ComfyUI has attracted 12% as many forks as stars, Fullmoon 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 | Fullmoon | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 2.3K |
| License | GPL-3.0 | MIT |
| Written in | Python | Swift |
| Last push | 2026-11-04 | 2025-05-05 |
| Forks | ⑂ 17K | ⑂ 223 |
| 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 Fullmoon if
- You want the Fullmoon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and Fullmoon 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 Fullmoon
fullmoon iOS fullmoon is an iOS app to chat with local large language models that’s optimized for Apple silicon and works on iPhone, iPad, and Mac. your chat history is saved locally, and you can customize the appearance of the app. supported models [x] Llama 3.2 1B [x] Llama 3.2 3B [x] DeepSeek R1 Distill Qwen 1.5B 4bit credits fullmoon is made possible by MLX Swift from Apple. MLX is an array framework for machine learning research on Apple silicon.
read the full Fullmoon overview →
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Frequently asked questions
Is ComfyUI or Fullmoon more popular?
ComfyUI has 145,017 GitHub stars and Fullmoon has 2,271. ComfyUI has the larger community by that measure.
Are ComfyUI and Fullmoon free?
Both are open source. ComfyUI is licensed under GPL-3.0 and Fullmoon under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and Fullmoon?
ComfyUI is written in Python and Fullmoon in Swift. 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 Fullmoon?
Choose ComfyUI if you want the larger community (145,017 stars) or its GPL-3.0 licence terms. Choose Fullmoon if its feature set, stack or MIT licence fits better. Both are self-hostable.