ModelComputeDtype - ComfyUI Built-in Node Documentation

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

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The ModelComputeDtype node allows you to change the computational data type used by a model during inference. It creates a copy of the input model and applies the specified data type setting, which can help optimize memory usage and performance depending on your hardware capabilities. This is particularly useful for debugging and testing different precision settings.

Inputs

Parameter	Data Type	Required	Range	Description
model	MODEL	Yes	-	The input model to modify with a new compute data type
dtype	STRING	Yes	”default" "fp32" "fp16" "bf16”	The computational data type to apply to the model

Outputs

Output Name	Data Type	Description
model	MODEL	The modified model with the new compute data type applied