StabilityUpscaleConservativeNode - ComfyUI Built-in Node Documentation - ComfyUI

Upscale image with minimal alterations to 4K resolution. This node uses Stability AI’s conservative upscaling to increase image resolution while preserving the original content and making only subtle changes.

Inputs

Parameter	Description	Data Type	Required	Range
`image`	The input image to be upscaled	IMAGE	Yes	-
`prompt`	What you wish to see in the output image. A strong, descriptive prompt that clearly defines elements, colors, and subjects will lead to better results. (default: empty string)	STRING	Yes	-
`creativity`	Controls the likelihood of creating additional details not heavily conditioned by the init image. (default: 0.35)	FLOAT	Yes	0.2 - 0.5
`seed`	The random seed used for creating the noise. (default: 0)	INT	Yes	0 - 4294967294
`negative_prompt`	Keywords of what you do not wish to see in the output image. This is an advanced feature. (default: empty string)	STRING	No	-

Outputs

Output Name	Description	Data Type
`image`	The upscaled image at 4K resolution	IMAGE

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