lucataco/stable-diffusion-x4-upscaler

Stable Diffusion x4 upscaler model

Capabilities

Reference Images

Community model (estimated from hardware time)

Name	Type	Description	Default	Constraints
`image` *	string (uri)	Grayscale input image	`—`	—
`prompt`	string	Input prompt	`"A white cat"`	—
`scale`	integer	Factor to scale image by	`4`	1 2 4

image required string

Grayscale input image

prompt string

Input prompt

Default: "A white cat"

scale integer

Factor to scale image by

Default: 4

1 2 4

Version: c96e30cc409e Updated: 6/8/2026 8.0K runs