ByteDance Seedance 2.5 Test: 49s Video with 4 Coherent Characters

SucceededMind · x · 2026-08-07

ByteDance's AI product Dreamina globally debuted the Seedance 2.5 video generation model. A practical test showcased a 49-second short film that successfully maintained the consistency of 4 characters over time.

Reviewers noted that maintaining multi-character consistency over an extended period, rather than just producing isolated 5-second visual experiments, is the crucial test for AI video to become truly useful for storytelling. Dreamina is optimized for this model, offering a highly cost-effective generation solution.

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