Open-source video models

Member lesson

ComfyUI for video

Lesson 8 of 10 in Open-source video models.

Checked against the makers' documentation on 25 September 2026.

ComfyUI MiniMax H3: Best Video Generation Workflows (Ep29) · pixaroma
WAN 2.2 in ComfyUI · ComfyUI
Wan 2.2 in ComfyUI: Day-0 Support (AI Video Tutorial) · ComfyUI
Lesson

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.

load modelload clipload vaeprompt +prompt −video latentksampler, 20stepsvae decodesave videofiles go in models/diffusion_models, text_encoders, vaeone missing wire and nothing renders
The Wan 2.2 template in ComfyUI: load the model, the text encoder and the VAE; encode a positive and a negative prompt; make an empty video latent; the KSampler runs twenty steps; decode and save the video.
An ink drawing of an old studio patch bay, rows of sockets in coloured blocks, a few black cables plugged between them and one cable hanging loose.
A node graph is a patch bay. One missing cable and nothing plays.
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  1. Question 1, locked

    Which of these words means this? “One box in the graph doing one job, such as loading a model, encoding a prompt or decoding frames.”

    • Offloading
    • Node
    • Steps
    • Diffusion transformer
  2. Question 2, locked

    Which of these words means this? “The whole graph saved as a JSON file, which ComfyUI can also recover from media it generated.”

    • Workflow
    • dtype
    • Node
    • Open weights
  3. Question 3, locked

    Which of these words means this? “A community extension that adds nodes, running as code on your machine with your permissions.”

    • Open weights
    • Model tree
    • Custom node
    • Precision

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