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FluxGym vs Kohya's GUI: catalog facts
FluxGymKohya's GUI
Free

Free to download and run, with source on GitHub.

Free

Free to download and run from the public repository.

Windows, Linux Windows, Linux
  • Simple interface for LoRA training
  • Works on GPUs with low VRAM
  • Graphical front end for Kohya's sd-scripts
  • Presets and saved configurations for training runs
  • Focused on FLUX LoRAs only
  • Fewer options than full training tools
  • Training needs a GPU with substantial memory
  • Many training parameters to learn before getting good results
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 26, 2026

Checked September 23, 2026

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