ByteDance · video model
Seedance 2.5
Seedance 2.5 is ByteDance’s video model. On Oneirosea it makes 4 to 30 second clips at 480p or 720p with sound, can open and close on frames you supply, and reads image, video and audio references. Seedance 2.5 clips start at 34 credits.
Settings on Oneirosea
Seedance 2.5
- Clip length
- 4–30 seconds
- Resolution
- 480p, 720p
- Aspect ratio
- 16:9, 4:3, 1:1, 3:4, 9:16, 21:9
- Frames
- First and last frame
- References
- Image, Video, Audio
- Sound
- Yes
Oneirosea runs Seedance 2.5 at up to 720p. Its 1080p and 4K output cost far more and take much longer to render, so 720p keeps clips quick and affordable.
Need more than 30 seconds? The AI video extender continues a clip from its last frame and joins the clips into one video.
Starts at 34 credits a clip
| Model | Resolution | Starts at |
|---|---|---|
| Seedance 2.5 | 480p | 34 credits |
| Seedance 2.5 | 720p | 78 credits |
Example: Seedance 2.5, 8 seconds at 720p, 16:9: 157 credits.
The price varies with clip length, resolution, aspect ratio and sound. You approve an estimate before anything runs, and you pay what the provider bills.
How it runs in Oneirosea
Research the direction
Ask what is working for your audience. The agent queries current public posts and ads and keeps the sources attached.
Pick the model and settings
Choose this model or any other in the catalogue. The settings rebuild around what the chosen model accepts.
Approve before it runs
You see the prompt, the model, the settings and the credit price wherever the model publishes one up front. Nothing paid runs until you approve it.
Common questions
How much does Seedance 2.5 cost on Oneirosea?
Seedance 2.5 clips start at 34 credits. The price varies with clip length, resolution, aspect ratio and sound. You approve an estimate before anything runs, and you pay what the provider bills.
How long can a Seedance 2.5 clip be?
4 to 30 seconds per generation. For a longer video, Oneirosea continues from the last frame of the clip you kept, so the next generation opens on exactly those pixels.
Does Seedance 2.5 generate sound?
Yes. Sound stays on unless you ask for silence, and you can switch it off on the approval screen.
Is there a cheaper Seedance model?
Seedance 2.0 Mini takes the same first and last frames and the same image, video and audio references at about a third of Seedance 2.5’s price per video token. Its clips run 4 to 15 seconds.
Is Seedance 2.5 free on Oneirosea?
Creating an account is free. Generating a clip uses credits, and you approve the estimate before it runs.