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