ComfyUI vs Fooocus-API
A side-by-side comparison of two self-hosted ai image generation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ComfyUI | Fooocus-API |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 60 · Good |
| Category | AI Image Generation | AI Image Generation |
| License | GPL-3.0 | GPL-3.0 |
| Language | Python | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 8,192 MB | 8,192 MB |
| Deployment | docker, bare-metal, source | docker, source |
| GitHub stars | ★ 134,754 | ★ 674 |
| First released | 2023 | 2023 |
| Replaces | Midjourney, DALL-E | DALL-E API, Midjourney |
What are ComfyUI and Fooocus-API?
ComfyUI
ComfyUI is a powerful, modular graphical interface for diffusion-model image and video generation. Its node graph lets users build complex generation pipelines visually and share them as reusable workflows.
- Visual node-based pipelines
- Supports SD, SDXL, Flux and video models
- Huge custom-node ecosystem
- Shareable workflow files
Fooocus-API
Fooocus-API is an open-source project that wraps the Fooocus image generation engine in a REST API. It allows other applications to request Stable Diffusion image generation from a self-hosted backend.
- REST API for image generation
- Async job queue
- OpenAPI documentation
- Docker deployment
ComfyUI vs Fooocus-API: key differences
Both projects are written in Python. ComfyUI has the considerably larger community, at 134,754 GitHub stars versus 674.
Why pick each one
Choose ComfyUI if…
- Powerful node-based pipelines
- Efficient VRAM usage
- Shareable reusable workflows
Watch out for
- Steep learning curve
- GPU strongly recommended
Choose Fooocus-API if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Python
Frequently asked questions
Is ComfyUI or Fooocus-API 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 Fooocus-API free and open-source?
Yes. ComfyUI is licensed under GPL-3.0 and Fooocus-API under GPL-3.0. Both can be self-hosted at no software cost.
Can I run ComfyUI and Fooocus-API with Docker?
ComfyUI: yes. Fooocus-API: yes.