Step1X-Edit

model
StepFun
SOTA open-source instruction-based image editing model using MLLM + DiT architecture. Comparable to GPT-4o and Gemini 2 Flash on editing tasks.
Paper (arXiv)GitHubProject PageHuggingFace

Paper

arXiv: 2504.17761

visioneditinggenerationopen-weight

Notes

arXiv submission Apr 24, 2025. Step1X-Edit-v1p2 (ReasonEdit) released Nov 2025.