ComfyUI vs stable-diffusion.cpp
A side-by-side comparison of two self-hosted ai image generation options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
ComfyUI
Node-based interface for Stable Diffusion image generation
VS
stable-diffusion.cpp
Stable Diffusion inference in plain C/C++
| Feature | ComfyUI | stable-diffusion.cpp |
|---|---|---|
| Category | AI Image Generation | AI Image Generation |
| License | GPL-3.0 | MIT |
| Language | Python | C++ |
| Setup difficulty | Medium | Hard |
| Min. RAM | 8,192 MB | 4,096 MB |
| Deployment | docker, bare-metal, source | binary, bare-metal |
| GitHub stars | ★ 124,689 | ★ 6,685 |
| First released | 2023 | 2023 |
| Replaces | Midjourney, DALL-E | Midjourney |
Why pick each one
Choose ComfyUI if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 124.7k GitHub stars
- Written in Python
Choose stable-diffusion.cpp if…
- Released under the MIT license
- Mature project with 6.7k GitHub stars
- Written in C++
Frequently asked questions
Is ComfyUI or stable-diffusion.cpp better?
ComfyUI is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider stable-diffusion.cpp if its specific feature set fits your needs better.
Are ComfyUI and stable-diffusion.cpp free and open-source?
Yes. ComfyUI is licensed under GPL-3.0 and stable-diffusion.cpp under MIT. Both can be self-hosted at no software cost.
Can I run ComfyUI and stable-diffusion.cpp with Docker?
ComfyUI: yes. stable-diffusion.cpp: check the project docs for container support.