UNetSelfAttentionMultiply - ComfyUI Built-in Node Documentation

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

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The UNetSelfAttentionMultiply node applies multiplication factors to the query, key, value, and output components of the self-attention mechanism in a UNet model. It allows you to scale different parts of the attention computation to experiment with how attention weights affect the model’s behavior.

Inputs

Parameter	Data Type	Required	Range	Description
model	MODEL	Yes	-	The UNet model to modify with attention scaling factors
q	FLOAT	No	0.0 - 10.0	Multiplication factor for query component (default: 1.0)
k	FLOAT	No	0.0 - 10.0	Multiplication factor for key component (default: 1.0)
v	FLOAT	No	0.0 - 10.0	Multiplication factor for value component (default: 1.0)
out	FLOAT	No	0.0 - 10.0	Multiplication factor for output component (default: 1.0)

Outputs

Output Name	Data Type	Description
MODEL	MODEL	The modified UNet model with scaled attention components