head to head · open source
ComfyUI vs AGenUI
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. AGenUI has 1,154 stars, 167 forks, 7 open issues and last shipped 3 days ago. ComfyUI leads on adoption by 11,509% (133,963 vs 1,154 stars). ComfyUI is written in Python under GPL-3.0; AGenUI is written in C++ under Apache-2.0. ComfyUI has attracted 12% as many forks as stars, AGenUI 14%. 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.
← all 20902 open source comparisons
Side by side
| ComfyUI | AGenUI | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 1.2K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | C++ |
| Last push | 2026-09-20 | 2026-09-17 |
| Forks | ⑂ 16K | ⑂ 167 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 134K 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 AGenUI if
- You want the AGenUI feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and AGenUI fits your workflow better
About ComfyUI
ComfyUI is a GPL 3.0 licensed Python and PyTorch node graph application, local API, and backend for running diffusion models across image, video, audio, 3D, and text workflows, built for visual professionals who want control over every model, parameter, and output, and for developers who embed those workflows into production pipelines.
read the full ComfyUI overview →
About AGenUI
AGenUI is a native SDK for rendering generative user interfaces on mobile devices across iOS, Android, and HarmonyOS. It is built on, and fully implements, the A2UI v0.9 protocol open sourced by Google, and it sits in the AI interaction and interface layer of the ecosystem: the LLM produces structured component descriptions, which AGenUI receives as streaming data and turns into live native UI. Under the hood, a shared C++ core engine dispatches the component protocol, while three separate platform rendering engines draw the result using each operating system's own UI capabilities. The project is licensed under A…
read the full AGenUI overview →
More in AI & Machine Learning
Related comparisons
More AI Interaction & Interfaces projects
Compare either of these against the rest of the AI Interaction & Interfaces field.
Frequently asked questions
Is ComfyUI or AGenUI more popular?
ComfyUI has 133,963 GitHub stars and AGenUI has 1,154. ComfyUI has the larger community by that measure.
Are ComfyUI and AGenUI free?
Both are open source. ComfyUI is licensed under GPL-3.0 and AGenUI under Apache-2.0. Neither carries a licence fee.
What is the difference between ComfyUI and AGenUI?
ComfyUI is written in Python and AGenUI in C++. 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 AGenUI?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose AGenUI if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.