PerpNeg - ComfyUI Built-in Node Documentation - ComfyUI

The PerpNeg node applies perpendicular negative guidance to a model’s sampling process. This node modifies the model’s configuration function to adjust noise predictions using negative conditioning and scaling factors. It has been deprecated and replaced by the PerpNegGuider node for improved functionality.

Inputs

Parameter	Description	Data Type	Required	Range
`model`	The model to apply perpendicular negative guidance to	MODEL	Yes	-
`empty_conditioning`	Empty conditioning used for negative guidance calculations	CONDITIONING	Yes	-
`neg_scale`	Scaling factor for negative guidance (default: 1.0)	FLOAT	No	0.0 - 100.0

Outputs

Output Name	Description	Data Type
`model`	The modified model with perpendicular negative guidance applied	MODEL

Note: This node is deprecated and has been replaced by PerpNegGuider. It is marked as experimental and should not be used in production workflows.

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