head to head · open source
ComfyUI vs sponge
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. sponge has 2,868 stars, 271 forks, 42 open issues and last shipped 9 months ago. ComfyUI leads on adoption by 4,571% (133,963 vs 2,868 stars). ComfyUI is written in Python under GPL-3.0; sponge is written in Go under MIT. ComfyUI has attracted 12% as many forks as stars, sponge 9%. 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 | sponge | |
|---|---|---|
| GitHub stars | ★ 134K | ★ 2.9K |
| License | GPL-3.0 | MIT |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2025-12-15 |
| Forks | ⑂ 16K | ⑂ 271 |
| 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 sponge if
- You want the sponge feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and sponge 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 sponge
Sponge is a Go development framework for building backend services through code generation. It lives in the Go ecosystem and integrates Gin, gRPC, GORM, and Protobuf. The project parses definitions written in SQL, Protobuf, or JSON configuration files into modular service code.
read the full sponge 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 sponge more popular?
ComfyUI has 133,963 GitHub stars and sponge has 2,868. ComfyUI has the larger community by that measure.
Are ComfyUI and sponge free?
Both are open source. ComfyUI is licensed under GPL-3.0 and sponge under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and sponge?
ComfyUI is written in Python and sponge in Go. 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 sponge?
Choose ComfyUI if you want the larger community (133,963 stars) or its GPL-3.0 licence terms. Choose sponge if its feature set, stack or MIT licence fits better. Both are self-hostable.