head to head · open source
ComfyUI vs Ptero
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped today. Ptero has 1,524 stars, 19 forks, 0 open issues and last shipped 7 days ago. ComfyUI leads on adoption by 9,408% (144,907 vs 1,524 stars). ComfyUI is written in Python under GPL-3.0; Ptero is written in PHP under Apache-2.0. ComfyUI has attracted 12% as many forks as stars, Ptero 1%. 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 | Ptero | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 1.5K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | PHP |
| Last push | 2026-11-04 | 2026-10-28 |
| Forks | ⑂ 17K | ⑂ 19 |
| 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 Ptero if
- You want the Ptero feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and Ptero 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 Ptero
🚀 Ptero – Free, Multi Model AI Chat Platform Ptero is a free, open source AI chat platform that gives you instant access to multiple powerful language models through a single, clean interface. No signup is required, and it is designed for developers, students, and creators who value privacy and simplicity. Try it live: 💖 Sponsors We are incredibly grateful to our sponsors for their support in keeping Ptero free and accessible for everyone. ✨ Key Features Access Multiple AI Models : Choose from a wide range of models, including DeepSeek V4 , Llama 3.3 , Qwen , MiniMax , Mistral , and more. One Click Model…
read the full Ptero overview →
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Frequently asked questions
Is ComfyUI or Ptero more popular?
ComfyUI has 144,907 GitHub stars and Ptero has 1,524. ComfyUI has the larger community by that measure.
Are ComfyUI and Ptero free?
Both are open source. ComfyUI is licensed under GPL-3.0 and Ptero under Apache-2.0. Neither carries a licence fee.
What is the difference between ComfyUI and Ptero?
ComfyUI is written in Python and Ptero in PHP. 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 Ptero?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose Ptero if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.