ByteDance's Seedance 2.5 turns 50 reference files into one 30-second film
ByteDance released Seedance 2.5, a video model that generates clips of up to 30 seconds in a single run and accepts as many as 50 multimodal references — images, text, style frames, character shots — to steer the result. Audio and video are generated jointly, and the model keeps character appearance, lighting and motion style consistent across the whole clip. It is rolling out on ByteDance's Jimeng AI and Doubao Pro apps, with an API coming to the Volcano Engine platform.
Why it mattersDays after MiniMax's H3, China's video-model race keeps compressing film-style control into consumer apps. Thirty coherent seconds in one run plus heavy reference control is what creators need for real storytelling — not just pretty five-second demos.
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