runwayml/gen4-image-turbo

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Gen-4 Image Turbo is cheaper and 2.5x faster than Gen-4 Image. An image model with references, use up to 3 reference images to create the exact image you need. Capture every angle.

Capabilities

Reference Images Seed

Cost

Community model (estimated from hardware time)

Input Parameters

Name	Type	Description	Default	Constraints
`prompt` *	string	Text prompt for image generation	`—`	—
`aspect_ratio`	string	Image aspect ratio	`"16:9"`	16:9 9:16 4:3 3:4 1:1 21:9
`reference_images`	array	You must give at least one reference image. Up to 3 reference images are supported. Images must be between 0.5 and 2 aspect ratio.		—
`reference_tags`	array	An optional tag for each of your reference images. Tags must be alphanumeric and start with a letter. You can reference them in your prompt using @tag_name. Tags must be between 3 and 15 characters.		—
`resolution`	string	Image resolution	`"1080p"`	720p 1080p
`seed`	integer	Random seed. Set for reproducible generation	`—`	—

prompt required string

Text prompt for image generation

aspect_ratio string

Image aspect ratio

Default: "16:9"

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

reference_images array

You must give at least one reference image. Up to 3 reference images are supported. Images must be between 0.5 and 2 aspect ratio.

Default:

reference_tags array

An optional tag for each of your reference images. Tags must be alphanumeric and start with a letter. You can reference them in your prompt using @tag_name. Tags must be between 3 and 15 characters.

Default:

resolution string

Image resolution

Default: "1080p"

720p 1080p

seed integer

Random seed. Set for reproducible generation

Version: d22ea0d0c36a Updated: 2/26/2026 108.2K runs