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Kohya's GUI 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?
KO Kohya's GUI Web interface for training Stable Diffusion models VS ST Stable Diffusion WebUI Forge Optimized fork of the Stable Diffusion WebUI
FeatureKohya's GUIStable Diffusion WebUI Forge
CategoryAI Image GenerationAI Image Generation
LicenseApache-2.0AGPL-3.0
LanguagePythonPython
Setup difficultyHardMedium
Min. RAM16,384 MB8,192 MB
Deploymentsourcebare-metal, source
GitHub stars★ 12,527★ 12,939
First released20222024
ReplacesLeonardo.ai trainingMidjourney

Why pick each one

Choose Kohya's GUI if…

  • Released under the Apache-2.0 license
  • Mature project with 12.5k GitHub stars
  • Written in Python
Kohya's GUI 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 Kohya's GUI or Stable Diffusion WebUI Forge better?

Stable Diffusion WebUI Forge is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Kohya's GUI if its specific feature set fits your needs better.

Are Kohya's GUI and Stable Diffusion WebUI Forge free and open-source?

Yes. Kohya's GUI is licensed under Apache-2.0 and Stable Diffusion WebUI Forge under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Kohya's GUI and Stable Diffusion WebUI Forge with Docker?

Kohya's GUI: check the project docs for container support. Stable Diffusion WebUI Forge: check the project docs for container support.

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