MiniMax H3 Test: Seamless Video Character Replacement via Structured Prompts
arthan1011 · reddit · 2026-08-04
The author demonstrates how to use the MiniMax H3 model for video character replacement and shares the specific text prompt structure.
The key technique involves using structured prompts (including subjectdefinitions, summary, retentionanalysis) and repeating the character's physical descriptions across different sections. This ensures the model strictly preserves the character design during the edit while maintaining the original scene composition and movements.
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