Best free tools to train AI on your own data

1. Train and run AI models on your own computer, faster
   ★ 79kstars
   unsloth by unslothai · Free alternative to OpenAI fine-tuning
   Fast, with free ready-to-run notebooks
   No codingDesktop appHealthy
2. Fine-tune 100+ AI models with a simple web interface
   ★ 75.9kstars
   LlamaFactory by hiyouga · Free alternative to OpenAI fine-tuning, Together AI
   Point-and-click web interface
   No codingWebsiteHealthy
3. Fine-tune open models with simple config files
   ★ 12.7kstars
   axolotl by axolotl-ai-cloud · Free alternative to Together AI fine-tuning
   Flexible, popular with power users
   Some setupCommand-line toolHealthy
4. Train your own image style or character for FLUX and other models
   ★ 12.6kstars
   ai-toolkit by ostris · Free alternative to Replicate LoRA training
   Train image styles and characters
   Some setupSelf-hosted appHealthy
5. Train custom styles and characters for Stable Diffusion
   ★ 7.3kstars
   sd-scripts by kohya-ss · Free alternative to Civitai training
   The standard for Stable Diffusion LoRAs
   Some setupCommand-line toolHealthy

Ranked for people new to AI: ease of use first, then quality, upkeep and popularity. Last checked 4 Nov 2026.

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