Models Model details

ByteDance

ByteDance: Seedance 2.5

bytedance/seedance-2.5

Seedance 2.5 is a video generation model from ByteDance. It is suited for long-form storytelling, multimodal reference-based generation, video editing, and video extension. It supports first-frame and first-and-last-frame control, up to 50 image, video, and audio reference assets, optional generated audio, and multilingual audiovisual generation.

Input
$0

/ 1M tokens · Token reference

Output
$0

/ 1M tokens · Token reference

Context window
Not published

tokens

Video output · Token reference fields do not establish an output-unit price.

Model facts

Author

ByteDance

Tokenizer

Media

Modality

Text + Image + Audio + Video -> Video

Created

Aug 7, 2026

Publication status

Hugging Face: not mappedLicense: not publishedParameter count: not published

Modalities

Input · TextInput · ImageInput · VideoInput · AudioOutput · Video

Generation controls

Frequency penalty