Seedance 2.0

Model id seedance-2.0 · ByteDance · video · 3 modes: text-to-video, image-to-video, reference-to-video.

This page reflects the current catalog. Inputs, allowed values, limits and prices can change as the model evolves; the field names and their meaning do not. For the exact schema at any time, your agent calls get_model with the mode.

Text To Video

Mode text-to-video. Text to video.

Input

Field	Type	Required	Allowed	Default	Description
`prompt`	string	Yes	up to 5,000 characters		What the video should show: subject, action, camera and style.
`duration`	number or integer		`-1`, or 4 to 15		Video duration in seconds. Integer 4-15, or -1 to let the model pick the length (billed on the length it picks); defaults to 5 when omitted.
`aspect_ratio`	string		`16:9`, `9:16`, `4:3`, `3:4`, `1:1`, `21:9`		Aspect ratio. Defaults to 16:9.
`resolution`	string		`480p`, `720p`, `1080p`, `4k`	`720p`	Video resolution.

Pricing

~7.32 credits per second at 720p (Seedance 2.0; rate varies by resolution; output + input-video seconds both billed). Settled on actual usage: the reserve is adjusted to what the model produced, and the difference refunded. For the exact price of a request, use estimate_generation.

Example

The arguments of generate_media:

{
  "model": "seedance-2.0",
  "mode": "text-to-video",
  "input": {
    "prompt": "A ginger cat walks into a sunlit kitchen, handheld camera",
    "aspect_ratio": "16:9",
    "resolution": "720p"
  }
}

Image To Video

Mode image-to-video. Animate a first frame, or go from a first to a last frame.

Input

Field	Type	Required	Allowed	Default	Description
`prompt`	string	Yes	up to 5,000 characters		What the video should show: subject, action, camera and style.
`duration`	number or integer		`-1`, or 4 to 15		Video duration in seconds. Integer 4-15, or -1 to let the model pick the length (billed on the length it picks); defaults to 5 when omitted.
`aspect_ratio`	string		`16:9`, `9:16`, `4:3`, `3:4`, `1:1`, `21:9`		Aspect ratio. Defaults to 16:9.
`resolution`	string		`480p`, `720p`, `1080p`, `4k`	`720p`	Video resolution.
`first_frame`	File				The image to use as the first frame of the video.
`last_frame`	File				The image to use as the last frame. With a first frame, the video goes from one to the other.

Pricing

Example

The arguments of generate_media:

{
  "model": "seedance-2.0",
  "mode": "image-to-video",
  "input": {
    "prompt": "A ginger cat walks into a sunlit kitchen, handheld camera",
    "aspect_ratio": "16:9",
    "resolution": "720p"
  }
}

Reference To Video

Mode reference-to-video. A video guided by references: up to 9 images, 3 videos and 3 audios.

Input

Field	Type	Required	Allowed	Default	Description
`prompt`	string	Yes	up to 5,000 characters		What the video should show: subject, action, camera and style.
`duration`	number or integer		`-1`, or 4 to 15		Video duration in seconds. Integer 4-15, or -1 to let the model pick the length (billed on the length it picks); defaults to 5 when omitted.
`aspect_ratio`	string		`16:9`, `9:16`, `4:3`, `3:4`, `1:1`, `21:9`		Aspect ratio. Defaults to 16:9.
`resolution`	string		`480p`, `720p`, `1080p`, `4k`	`720p`	Video resolution.
`references`	File list		0 to 15 items		References the output must follow. The kind of each one (image, video, audio) is read from the file; per-kind limits are in the mode’s `capabilities.references`.

References: up to 15: 9 images, 3 videos of 1.8 to 15.2 s (15 s in total), 3 audio files (15 s in total). Assets, URLs and elements are accepted.

Pricing

Example

The arguments of generate_media:

{
  "model": "seedance-2.0",
  "mode": "reference-to-video",
  "input": {
    "prompt": "A ginger cat walks into a sunlit kitchen, handheld camera, keeping the look of the reference",
    "aspect_ratio": "16:9",
    "resolution": "720p",
    "references": [
      "asset_91a3c7e5b2d84f6a8e0c1b9d7f3a5e24"
    ]
  }
}

Models

Video

Image

Audio

Seedance 2.0

Text To Video

Input

Pricing

Example

Image To Video

Input

Pricing

Example

Reference To Video

Input

Pricing

Example

​Text To Video

​Input

​Pricing

​Example

​Image To Video

​Input

​Pricing

​Example

​Reference To Video

​Input

​Pricing

​Example

Text To Video

Input

Pricing

Example

Image To Video

Input

Pricing

Example

Reference To Video

Input

Pricing

Example