Nerogar · Diffusion Model Trainer

OneTrainer

Since Week 14 2025: this open-source GUI and command-line trainer for diffusion models has added support for Chroma (August 2025), Qwen Image (September 2025), Z-Image (December 2025), Flux.2 Dev and Klein (February 2026) and Ernie Image (May 2026), alongside FLUX.1, SD 1.5 to 3.5, SDXL, Stable Cascade, PixArt, Sana and Hunyuan Video. It supports full fine-tuning, LoRA and embedding training with masked training, EMA, aspect-ratio bucketing, multi-resolution training, auto-captioning and sampling during training. There are no tagged releases; the dates come from the merge commits. AGPL-3.0, 3,245 stars, last commit 10 October.