ComfyUI vs Stable Diffusion
ComfyUI and Stable Diffusion are both Image Generation tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.
Side-by-side comparison
| Attribute | ComfyUI | Stable Diffusion |
|---|---|---|
| Vendor | Comfy Org (open source) | Stability AI |
| Rating | ★ 4.7 | ★ 4.6 |
| Pricing | Free | Free |
| Platforms | Windows, macOS, Linux, Self-hosted | Web, Desktop, API |
| Key features | Node-based pipeline building, Runs any open model (SD/FLUX/video), Shareable JSON workflows | Text-to-image, Inpainting, Upscaling |
| Headquarters | Open source (community) | London, UK |
| Founded | 2023 | 2022 |
| Open source | Yes | Yes |
Key differences
- ComfyUI has a higher user rating (4.7★ vs 4.6★).
- Both ComfyUI and Stable Diffusion use a Free model.
- Both ComfyUI and Stable Diffusion are open source.
- ComfyUI runs on Windows, macOS, Linux, Self-hosted; Stable Diffusion runs on Web, Desktop, API.
Frequently asked questions
Is ComfyUI or Stable Diffusion better?
By user rating, ComfyUI scores higher (4.7★ vs 4.6★). Both are capable Image Generation tools, so review the feature comparison for your use case.
Which is cheaper, ComfyUI or Stable Diffusion?
Both ComfyUI and Stable Diffusion use a Free pricing model.
Are ComfyUI and Stable Diffusion open source?
Yes — both ComfyUI and Stable Diffusion are open source.