ComfyUI vs SD.Next
A side-by-side comparison of two self-hosted apps from related categories — 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
SD.Next
Advanced all-in-one generative image and video studio
| Feature | ComfyUI | SD.Next |
|---|---|---|
| Category | AI Image Generation | Self-Hosted AI |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Python | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 8,192 MB | 8,192 MB |
| Deployment | docker, bare-metal, source | bare-metal, source, docker |
| GitHub stars | ★ 124,689 | ★ 7,224 |
| 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 SD.Next if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Mature project with 7.2k GitHub stars
- Written in Python
Frequently asked questions
Is ComfyUI or SD.Next better?
Neither is universally better. ComfyUI has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are ComfyUI and SD.Next free and open-source?
Yes. ComfyUI is licensed under GPL-3.0 and SD.Next under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run ComfyUI and SD.Next with Docker?
ComfyUI: yes. SD.Next: yes.