ByteDance Seed·Seedance

Seedance 2.5

Generates up to 30 seconds with multi-round extension, 30 image/10 video/10 audio references, and timestamp editing.

CurrentVideo generationMultimodalWeights not released

MODEL NUMBER171

Specifications

Only published specifications are shown.

Input modalities

Text · Image · Audio · Video

Output modalities

Video · Audio

Open weights

Status

Current

Generates up to 30 seconds with multi-round extension, 30 image/10 video/10 audio references, and timestamp editing.

PreviousSeedance 2.0— · — ctx

CurrentSeedance 2.5— · — ctx

New capabilities Long video Timestamp editing Multi-shot narrative

Long videoMulti-referenceTimestamp editingMulti-shot narrative

2026-07-31General release

Seedance 2.5 launched.

Select a card to view the related model.