bytedance/seedance-1-pro-fast

A faster and cheaper version of Seedance 1 Pro

Capabilities

Reference Images Seed

Community model (estimated from hardware time)

Name	Type	Description	Default	Constraints
`prompt` *	string	Text prompt for video generation	`—`	—
`aspect_ratio`	string	Video aspect ratio. Ignored if an image is used.	`"16:9"`	16:9 4:3 1:1 3:4 9:16 21:9 9:21
`camera_fixed`	boolean	Whether to fix camera position	`false`	—
`duration`	integer	Video duration in seconds	`5`	min: 2, max: 12
`fps`	integer	Frame rate (frames per second)	`24`	24
`image`	string (uri)	Input image for image-to-video generation	`—`	—
`resolution`	string	Video resolution	`"1080p"`	480p 720p 1080p
`seed`	integer	Random seed. Set for reproducible generation	`—`	—

prompt required string

Text prompt for video generation

aspect_ratio string

Video aspect ratio. Ignored if an image is used.

Default: "16:9"

16:9 4:3 1:1 3:4 9:16 21:9 9:21

camera_fixed boolean

Whether to fix camera position

Default: false

duration integer

Video duration in seconds

Default: 5 min: 2, max: 12

fps integer

Frame rate (frames per second)

Default: 24

image string

Input image for image-to-video generation

resolution string

Video resolution

Default: "1080p"

480p 720p 1080p

seed integer

Random seed. Set for reproducible generation

Version: 155d6d446da5 Updated: 6/8/2026 822.5K runs