Struggling with Minimax H3 Character Swap: Motion Glitches and Slow Render

Rigonidas · reddit · 2026-08-29

A user shares their frustrating experience with character swapping in Minimax H3 video generation. Despite using a character reference image, source video, and WAV audio, the output suffers from incorrect movements, added actions, and wrong lines. Rendering takes a long time even on a RTX 5090. The user is seeking tips on workflows, prompts, and maintaining consistency for longer videos.

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