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Free AI tools to train or fine-tune a model

The best free, open-source AI tools to train or fine-tune a model are Kohya's GUI, AI Toolkit, and Unsloth. Each one is free, scored, and labeled with what it takes to run.

I want to…
make AI videogenerate imagesupscale or restore a photoremove a backgroundtranscribe audio or videoturn text into speechclone or change a voicemake musicchat with AI privatelychat with my documentswrite code with AIbuild an AI agent or workflowtrain or fine-tune a modelwrite stories or role-play
Set my computer's specs
Kohya's GUI screenshot
Training4.1

Kohya's GUI iconKohya's GUI

Teach an image model a new style, face, or product from a handful of pictures.

  • Some setup
  • Windows · Linux
Code
Open source, Apache-2.0
Models
Open weights
Runs
On your computer
Real cost
Free
Get it
AI Toolkit screenshot
Training4.1

AI Toolkit iconAI Toolkit

A training suite for the newest image and video models, with a simple interface.

  • Some setup
  • Windows · Linux
Code
Open source, MIT
Models
Open weights
Runs
On your computer
Real cost
Free
Get it
Unsloth screenshot
Training4.6

Unsloth iconUnsloth

Fine-tune language models on your own data, faster and with much less memory.

  • For tinkerers
  • Windows · Linux
Code
Open source, Apache-2.0
Models
Open weights
Runs
On your computer
Real cost
Free
Get it