SkipLayerGuidanceSD3 - ComfyUI Built-in Node Documentation

The SkipLayerGuidanceSD3 node enhances guidance towards detailed structure by applying an additional set of classifier-free guidance with skipped layers. This experimental implementation is inspired by Perturbed Attention Guidance and works by selectively bypassing certain layers during the negative conditioning process to improve structural details in the generated output.

Inputs

Parameter	Description	Data Type	Required	Range
`model`	The model to apply skip layer guidance to	MODEL	Yes	-
`layers`	Comma-separated list of layer indices to skip (default: “7, 8, 9”)	STRING	Yes	-
`scale`	The strength of the skip layer guidance effect (default: 3.0)	FLOAT	Yes	0.0 - 10.0
`start_percent`	The starting point of guidance application as a percentage of total steps (default: 0.01)	FLOAT	Yes	0.0 - 1.0
`end_percent`	The ending point of guidance application as a percentage of total steps (default: 0.15)	FLOAT	Yes	0.0 - 1.0

Outputs

Output Name	Description	Data Type
`model`	The modified model with skip layer guidance applied	MODEL

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Inputs

Outputs