SHSelfHostIndex

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?
ComfyUI Node-based interface for Stable Diffusion image generation VS ST Stable Diffusion WebUI Forge Optimized fork of the Stable Diffusion WebUI
FeatureComfyUIStable Diffusion WebUI Forge
Deploy effortUnder-an-hour setupRead-the-docs project
Health score100 · Excellent37 · At risk
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★ 134,754★ 13,028
First released20232024
ReplacesMidjourney, DALL-EMidjourney

What are ComfyUI and Stable Diffusion WebUI Forge?

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

Read the full ComfyUI guide →

Stable Diffusion WebUI Forge

Stable Diffusion WebUI Forge is a platform built on the AUTOMATIC1111 interface that improves speed, memory usage, and adds support for newer models like Flux. It keeps the familiar UI while making development of features easier.

  • Faster inference
  • Lower VRAM usage
  • Flux model support
  • A1111-compatible extensions

ComfyUI vs Stable Diffusion WebUI Forge: key differences

Both projects are written in Python. Licensing differs — GPL-3.0 for ComfyUI versus AGPL-3.0 for Stable Diffusion WebUI Forge. ComfyUI has the considerably larger community, at 134,754 GitHub stars versus 13,028. ComfyUI lists first-class Docker deployment; Stable Diffusion WebUI Forge does not.

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
ComfyUI details

Choose Stable Diffusion WebUI Forge if…

  • Released under the AGPL-3.0 license
  • Mature project with 13k 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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