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Kohya's GUI vs AI Toolkit: catalog facts
Kohya's GUI	AI Toolkit
Free Free to download and run from the public repository.	Free Free and open source.
Windows, Linux	Self-hosted, Command line
Graphical front end for Kohya's sd-scripts Presets and saved configurations for training runs	Trains LoRAs and fine-tunes diffusion models Web UI as well as config-file workflows
Training needs a GPU with substantial memory Many training parameters to learn before getting good results	Training needs a powerful GPU with plenty of memory Aimed at users comfortable with model training concepts
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.