ComfyUI vs Stable Diffusion WebUI Forge

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?
FeatureComfyUIStable Diffusion WebUI Forge
CategoryAI Image GenerationAI Image Generation
LicenseGPL-3.0AGPL-3.0
LanguagePythonPython
Setup difficultyMediumMedium
Min. RAM8,192 MB8,192 MB
Deploymentdocker, bare-metal, sourcebare-metal, source
GitHub stars★ 124,689★ 12,939
First released20232024
ReplacesMidjourney, DALL-EMidjourney

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
ComfyUI details

Choose Stable Diffusion WebUI Forge if…

  • Released under the AGPL-3.0 license
  • Mature project with 12.9k GitHub stars
  • Written in Python
Stable Diffusion WebUI Forge details

Frequently asked questions

Is ComfyUI or Stable Diffusion WebUI Forge 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 Stable Diffusion WebUI Forge free and open-source?

Yes. ComfyUI is licensed under GPL-3.0 and Stable Diffusion WebUI Forge under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run ComfyUI and Stable Diffusion WebUI Forge with Docker?

ComfyUI: yes. Stable Diffusion WebUI Forge: check the project docs for container support.

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