AI Toolkit is MIT licensed · Ostris Cloud is the hosted version

Train diffusion models.
Locally or in the cloud.

AI Toolkit is the all-in-one suite for finetuning image, video and audio diffusion models. Ostris Cloud runs it on rented GPUs with nothing to install.

Install AI Toolkit Launch on Ostris Cloud

AI Toolkit UI showing a running training job with progress, logs, GPU stats, and checkpoints

github.com/ostris/ai-toolkit

AI ToolkitOpen source training for diffusion models. LoRA and LoKr, web UI and CLI, on your own GPU.

AI ToolkitOpen source · MIT

FLUX, SDXL, Qwen-Image, HiDream, Wan, LTX-2, Ace Step and more. Install it and train on your own hardware.Get started →

Ostris Cloud — AI Toolkit in the Cloud

Ostris CloudHosted · pay per hour

The same AI Toolkit on rented GPUs. Upload a dataset, pick a model, train. Nothing to install.cloud.ostris.com →

Research notes

Skipping SD3.5-large Blocks2024-10-23 FLUX IP Adapter Style Weights2024-09-12 Skipping FLUX.1-dev Blocks2024-09-07

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