StabilityStableImageSD_3_5Node - ComfyUI Built-in Node Documentation

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This node generates images synchronously using Stability AI’s Stable Diffusion 3.5 model. It creates images based on text prompts and can also modify existing images when provided as input. The node supports various aspect ratios and style presets to customize the output.

Inputs

Parameter	Data Type	Required	Range	Description
`prompt`	STRING	Yes	-	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)
`model`	COMBO	Yes	Multiple options available	The Stable Diffusion 3.5 model to use for generation.
`aspect_ratio`	COMBO	Yes	Multiple options available	Aspect ratio of generated image. (default: 1:1 ratio)
`style_preset`	COMBO	No	Multiple options available	Optional desired style of generated image.
`cfg_scale`	FLOAT	Yes	1.0 to 10.0	How strictly the diffusion process adheres to the prompt text (higher values keep your image closer to your prompt). (default: 4.0)
`seed`	INT	Yes	0 to 4294967294	The random seed used for creating the noise. (default: 0)
`image`	IMAGE	No	-	Optional input image for image-to-image generation.
`negative_prompt`	STRING	No	-	Keywords of what you do not wish to see in the output image. This is an advanced feature. (default: empty string)
`image_denoise`	FLOAT	No	0.0 to 1.0	Denoise of input image; 0.0 yields image identical to input, 1.0 is as if no image was provided at all. (default: 0.5)

Note: When an image is provided, the node switches to image-to-image generation mode and the aspect_ratio parameter is automatically determined from the input image. When no image is provided, the image_denoise parameter is ignored.

Outputs

Output Name	Data Type	Description
`image`	IMAGE	The generated or modified image.

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Inputs

Outputs