Seedance 2.5: cinematic AI video with sound, step by step

1. 1

   Pick Seedance 2.5 in Video

   ByteDance's newest model: strong motion, realistic physics and native sound. Clips run 4–30 seconds at 480p, 720p or 1080p.

2. 2

   Prompt like a director

   Subject + action + camera + light + mood, e.g. “Macro close-up of rain on a window, a single drop rolls down, moody blue light, shallow depth of field”.

3. 3

   Test cheap, then upgrade

   A 5-second clip is 111 credits at 480p and 237 at 720p. Find the motion at 480p first, then re-render the winner.

4. 4

   Animate your own image

   Add a start frame to turn a product shot or illustration into motion while keeping it recognisable.