SHSelfHostIndex

Stable Diffusion WebUI vs ComfyUI

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?
ST Stable Diffusion WebUI Popular Gradio web UI for Stable Diffusion VS CO ComfyUI Node-based interface for Stable Diffusion image generation
FeatureStable Diffusion WebUIComfyUI
CategoryAI Image GenerationAI Image Generation
LicenseAGPL-3.0GPL-3.0
LanguagePythonPython
Setup difficultyMediumMedium
Min. RAM8,192 MB8,192 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, source
GitHub stars★ 164,436★ 124,689
First released20222023
ReplacesMidjourney, DALL-EMidjourney, DALL-E

Why pick each one

Choose Stable Diffusion WebUI if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 164.4k GitHub stars
  • Written in Python
Stable Diffusion WebUI details

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

Frequently asked questions

Is Stable Diffusion WebUI or ComfyUI better?

Neither is universally better. Stable Diffusion WebUI has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Stable Diffusion WebUI and ComfyUI free and open-source?

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

Can I run Stable Diffusion WebUI and ComfyUI with Docker?

Stable Diffusion WebUI: yes. ComfyUI: yes.

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