Question 1

What types of scenes does Seedance 2.1 T2V handle best?

Accepted Answer

Seedance 2.1 T2V excels at cinematic environments — sweeping landscapes, sci-fi settings, fantasy worlds, and atmospheric interiors. It performs well with complex lighting descriptions and multi-element scenes.

Question 2

How long can the generated videos be?

Accepted Answer

Videos can range from 4 to 12 seconds in duration, set via the `duration` parameter.

Question 3

Does the model generate audio?

Accepted Answer

Yes. Set `generate_audio` to true and the model will produce scene-appropriate ambient audio alongside the video.

Question 4

What aspect ratios are supported?

Accepted Answer

Seedance 2.1 T2V supports 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9 aspect ratios.