Seedance 2.0 Fast
Generate video quickly with Seedance 2.0 Fast at 480p or 720p.
The public model ID is seedance-2.0-fast. It supports 480p and 720p, defaulting to 480p when omitted. It uses the same four modes, request fields, asynchronous statuses, and error behavior as Seedance 2.0.
| Resolution | No video input | With video input |
|---|---|---|
480p, 720p | $5.6 / 1M tokens | $3.3 / 1M tokens |
Each JSON object below is a request body for POST /v1/router/task/create.
Text-to-video
{
"task": "Txt2Video",
"model": "seedance-2.0-fast",
"input": {
"prompt": "a runner racing through a neon city as the camera follows closely",
"resolution": "720p"
}
}Image-to-video
{
"task": "Img2Video",
"model": "seedance-2.0-fast",
"input": {
"images": ["https://assets.example.com/input.png"],
"resolution": "720p"
}
}First/last-frame video
{
"task": "Img2Video",
"model": "seedance-2.0-fast",
"input": {
"images": ["https://assets.example.com/first.png", "https://assets.example.com/last.png"],
"resolution": "720p"
}
}Omni reference
{
"task": "OmniVideo",
"model": "seedance-2.0-fast",
"input": {
"prompt": "use the subject from the image, follow the fast camera motion in the video, and use the reference audio as background music",
"images": ["https://assets.example.com/subject.png"],
"videos": ["https://assets.example.com/camera-motion.mp4"],
"audios": ["https://assets.example.com/background-music.mp3"],
"resolution": "480p"
}
}Passing 1080p, 4k, or any other resolution returns HTTP 400 before any upstream call. The error lists the supported values 480p, 720p.