Best test
Create a timed beginning-middle-end scene with one approved character and one meaningful audio beat.
Use Seedance 2.5 in MindVideo AI
ByteDance says Seedance 2.5 can create up to 30-second clips and supports multimodal referencing, editing, and multi-round extension.
Create with Polox AI ↗01Up to 30-second generation
02Flexible multimodal references
03Editing and extension
Watch for
Long outputs amplify drift; review identity, space, sound, and extension seams instead of judging only the opening seconds.
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