ComfyUI is a node editor for generative models. Each step of a generation is a box on a canvas wired to the next, and the whole graph is a JSON file you can save and rerun. It is open source under GPL-3.0, its repository now lives at github.com/Comfy-Org/ComfyUI (the old comfyanonymous address redirects there), and version 0.37.0 came out on 21 September 2026, six days after 0.36.0. It updates often. Its README lists native support for Wan 2.1 and 2.2, LTX-Video 2 and 2.3, HunyuanVideo 1.5, MiniMax H3 and several older models.

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