PerpNegGuider - ComfyUI Built-in Node Documentation

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

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The PerpNegGuider node creates a guidance system for controlling image generation using perpendicular negative conditioning. It takes positive, negative, and empty conditioning inputs and applies a specialized guidance algorithm to steer the generation process. This node is designed for testing purposes and provides fine control over the guidance strength and negative scaling.

Inputs

Parameter	Data Type	Required	Range	Description
model	MODEL	Yes	-	The model to use for guidance generation
positive	CONDITIONING	Yes	-	The positive conditioning that guides the generation toward desired content
negative	CONDITIONING	Yes	-	The negative conditioning that guides the generation away from unwanted content
empty_conditioning	CONDITIONING	Yes	-	The empty or neutral conditioning used as a baseline reference
cfg	FLOAT	No	0.0 - 100.0	The classifier-free guidance scale that controls how strongly the conditioning influences the generation (default: 8.0)
neg_scale	FLOAT	No	0.0 - 100.0	The negative scaling factor that adjusts the strength of negative conditioning (default: 1.0)

Outputs

Output Name	Data Type	Description
guider	GUIDER	A configured guidance system ready for use in the generation pipeline