First MiniMax H3 cinematic test: floaty motion fixed with prompts plus 1.5x speed ramp
Kuttachuuu · reddit · 2026-09-18
A user shares lessons from their first cinematic short made with MiniMax H3: character motion comes out floaty and slow. Prompting for "slowly turns" and "deliberate blink" to keep the video stable prevented artifacts, but the model took the words literally, sapping the energy.
Their fix for future iterations: prompt for "real-time, swift movement" instead, then apply a 1.3x–1.5x speed ramp in post-production to snap the pacing back to normal human speed. A directly reusable tip for video-model creators.
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