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BytePlus

Seedance 2.5 Video Extend

seedance-2.5-extend

Seedance 2.5 Video Extension fixes the upstream full‑modal reference subtask to video extension: input the source video and specify the continuation direction (forward or backward); outputs 4‑30 seconds with the frame size fixed as adaptive.

Model Type:

Input Parameters

Input

video files
audio files

Upload reference audio files (max 20.0 MB per file)

Input images to transform or use as reference (1-30 images)

4

Output Result

Output

No output yet. Run the model to see results.

Click 'Run Model' to generate output

Pricing

Each row is one billing case, with resolution, quality and other options already applied to the unit price. Final charges follow actual usage after a successful request.

ResolutionReference VideoPrice/sec
480pNo reference video$0.098
480pWith reference video$0.0588
720pNo reference video$0.2205
720pWith reference video$0.1323
1080pNo reference video$0.54194
1080pWith reference video$0.325164
  • Usage-based items (duration, tokens, images, etc.) cost unit price × actual usage; when a row has several items, their costs add up.

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