Seedance 2.5
Seedance 2.5 makes 30-second single-pass clips with synced audio, up to 50 multimodal references, region-level edits and 4K, previewed 2026-06-23.
Doubles Seedance 2.0's clip length and reference count, adds local edits (fix one detail without regenerating) and a beta long-video mode. In Jimeng/Dreamina and Volcano Engine/BytePlus; third-party platforms (fal, Higgsfield, Pika) added it in early August.
- Date
- Friday, 31 July 2026
- Lab
- ByteDance
- Kind
- model
- Access
- closed API
Date from Wikipedia and a fal explainer (2026-08-12); Higgsfield listed it on 2026-08-06. The 50-reference and 3-minute claims come from third-party guides; ByteDance's own post was not opened. fal calls it 'open' meaning open API, not weights.
Sources
This record was checked against its sources on 6 October 2026. How we check