300 Renders Later: MiniMax H3 REF2VA Still Overshoots the Desired End Scene
bajungadustin · reddit · 2026-09-22
A Reddit user documents extensive struggles controlling MiniMax H3 REF2VA video generation: the camera keeps overshooting the intended final frame and returning to it. They tried First-Last, control video, depth control, FL2VA and roughly 300 renders, plus a massive structured prompt with subject definitions and keyframe specs. Notably, having ChatGPT write prompts with reference to the official prompt guide worked notably better. The post highlights current weaknesses in camera timing and endpoint control for video generation models.
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