CFGZeroStar - ComfyUI Built-in Node Documentation

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

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The CFGZeroStar node applies a specialized guidance scaling technique to diffusion models. It modifies the classifier-free guidance process by calculating an optimized scale factor based on the difference between conditional and unconditional predictions. This approach adjusts the final output to provide enhanced control over the generation process while maintaining model stability.

Inputs

Parameter	Data Type	Input Type	Default	Range	Description
model	MODEL	required	-	-	The diffusion model to be modified with the CFGZeroStar guidance scaling technique

Outputs

Output Name	Data Type	Description
patched_model	MODEL	The modified model with CFGZeroStar guidance scaling applied