SkipLayerGuidanceDiTSimple - ComfyUI Built-in Node Documentation

Complete documentation for the SkipLayerGuidanceDiTSimple node in ComfyUI. Learn its inputs, outputs, parameters and usage.

Simple version of the SkipLayerGuidanceDiT node that only modifies the unconditional pass during the denoising process. This node applies skip layer guidance to specific transformer layers in DiT (Diffusion Transformer) models by selectively skipping certain layers during the unconditional pass based on specified timing and layer parameters.

Inputs

Parameter	Description	Data Type	Required	Range
model	The model to apply skip layer guidance to	MODEL	Yes	-
double_layers	Comma-separated list of double block layer indices to skip (default: “7, 8, 9”)	STRING	No	-
single_layers	Comma-separated list of single block layer indices to skip (default: “7, 8, 9”)	STRING	No	-
start_percent	The starting percentage of the denoising process when skip layer guidance begins (default: 0.0)	FLOAT	No	0.0 - 1.0
end_percent	The ending percentage of the denoising process when skip layer guidance stops (default: 1.0)	FLOAT	No	0.0 - 1.0

Note: Skip layer guidance is only applied when both double_layers and single_layers contain valid layer indices. If both are empty, the node returns the original model unchanged. The skip layer guidance is active only when the current denoising step’s sigma value falls between start_percent and end_percent (converted to sigma values internally).

Outputs

Output Name	Description	Data Type
model	The modified model with skip layer guidance applied to the specified layers	MODEL

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