ComfyUI vs stable-diffusion-webui
Updated
Both are free, open-source interfaces for Stable Diffusion and other image models. stable-diffusion-webui is more popular (165k vs 143k GitHub stars). Pick ComfyUI if you want the one with more momentum right now (+2.4k stars this week).
Side by side
 ComfyUI |  stable-diffusion-webui | |
|---|---|---|
| Category | Image generation & editing | Image generation & editing |
| GitHub stars | 142,927 | 165,144 |
| Stars this week | +2,358 | +59 |
| Last update | today | 7mo ago |
| License | GPL-3.0 | AGPL-3.0 |
| Commercial use | Copyleft | Copyleft |
| Language | Python | Python |
| Runs on Mac | ||
| Runs without a GPU | ||
| GPU memory | 4 GB+ | 4 GB+ |
| Needs a paid API key | Not stated | No |
| Self-hostable | ||
| Trending this week | #78 | – |
Hardware details are as stated by each project and may be incomplete.
Choose ComfyUI if…
The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface. The fastest local inference engine in the world.
- you want the one with more momentum right now (+2.4k stars this week)
- you want more active development (updated today, vs 7mo ago)
- you want what developers are talking about this week
Choose stable-diffusion-webui if…
A web UI for generating and editing images using Stable Diffusion.
- its features fit your workflow better; check its README
FAQ
Is ComfyUI better than stable-diffusion-webui?
Both are free, open-source interfaces for Stable Diffusion and other image models. stable-diffusion-webui is more popular (165k vs 143k GitHub stars). Pick ComfyUI if you want the one with more momentum right now (+2.4k stars this week).
Which is better for commercial use, ComfyUI or stable-diffusion-webui?
Neither uses a permissive license (GPL-3.0 and AGPL-3.0). Check both licenses before using them in a commercial product.
Do ComfyUI and stable-diffusion-webui run on a Mac?
Yes. According to both projects, they run on macOS.
Are ComfyUI and stable-diffusion-webui free?
Yes. Both are open source and free to use.