ByteDance Launches Seedance 2.5: 30s Single-Pass Video, 50 Reference Assets

xiaohu · x · 2026-07-31

ByteDance's Seed team has released Seedance 2.5, their latest AI video generation model. The major upgrade is that single-pass video generation has doubled to 30 seconds, allowing a continuous shot to cover a full narrative scene from buildup to conclusion.

Additionally, the limit for simultaneous reference assets has jumped from 15 to 50. The new version introduces second-by-second segmented instructions and timestamp-based editing, enabling precise modifications for green screens and camera angles. To showcase its capabilities, the team released a 4-minute, 22-second short film entirely generated by the model. It is now available on Jimeng and Doubao Pro.

Related event: ByteDance Releases Seedance 2.5 with 30s Video and Multimodal Control(53 posts)→

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