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Monday, 2 November 2026 Reading Room

Tech

MiniMax H3 Keyframe Control: Timelines, Story Beats, and Custom Samplers

Two ComfyUI graphs ship with this episode. Both are supplied files : no clip was rendered for this article, no timing was taken, and nothing below is a quality comparison. The two graphs MiniMax H3 FL2VA - First/Last Frame with Keyframe Timeline MiniMax H3 Ref2VA - Multi-Reference with Keyframe Story Beats Nodes / links 80 / 128 87 / 141 Node types 35 40 LoRA nodes 0 0 That last row matters:…

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Two ComfyUI graphs are included in this episode. Neither graph has been rendered or timed for this article, and the information provided should not be used for quality comparisons. The two graphs, MiniMax H3 FL2VA and MiniMax H3 Ref2VA, both contain keyframe timeline nodes and story beat nodes. The FL2VA graph focuses on a first frame and a last frame, allowing the motion between them to be tuned.

The Ref2VA graph takes multiple references and arranges story beats on a keyframe timeline using 20 math/integer nodes. The number of steps, CFG, and sampler used in these graphs are not specified, as this article does not aim to provide a single tuple for reference. Open the graph in your own ComfyUI and examine the actual sampler widgets before assuming any specific settings.

The keyframes offered by these graphs provide control over the motion and story beats, but they do not prove any inferences, render outputs, or speed comparisons. Additionally, the weights and input media used in these graphs are not included, so be sure to check the respective licenses before publishing any content created using these graphs.

The source files can be found on Hugging Face, ModelScope, RunningHub, and Civitai, and the source video is available on YouTube.

Written by urgent.news from Dev.to's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

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