AI Development
ByteDance launches Seedance 2.5 video generation model
Editorial Analysis
ByteDance officially launched Seedance 2.5, upgrading single-pass video generation to 30 seconds with multi-round extensions for longer coherent stories, and expanding multimodal referencing to up to 30 images, 10 video clips and 10 audio clips in one pass. The model adds timestamp-level editing control and improved professional features such as green-screen and reference-based editing. It is rolling out on Jimeng AI and Doubao Pro, with API access via BytePlus ModelArk to follow.
At a Glance
Date
July 31, 2026
Importance
Medium
3/5
Category
model
Axis of Change
Capability Gain
Organizations
Models Affected
Sources