ModelMergeSDXL - ComfyUI Built-in Node Documentation

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

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The ModelMergeSDXL node allows you to blend two SDXL models together by adjusting the influence of each model on different parts of the architecture. You can control how much each model contributes to time embeddings, label embeddings, and various blocks within the model structure. This creates a hybrid model that combines characteristics from both input models.

Inputs

Parameter	Data Type	Required	Range	Description
model1	MODEL	Yes	-	The first SDXL model to merge
model2	MODEL	Yes	-	The second SDXL model to merge
time_embed.	FLOAT	Yes	0.0 - 1.0	Blending weight for time embedding layers (default: 1.0)
label_emb.	FLOAT	Yes	0.0 - 1.0	Blending weight for label embedding layers (default: 1.0)
input_blocks.0	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 0 (default: 1.0)
input_blocks.1	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 1 (default: 1.0)
input_blocks.2	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 2 (default: 1.0)
input_blocks.3	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 3 (default: 1.0)
input_blocks.4	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 4 (default: 1.0)
input_blocks.5	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 5 (default: 1.0)
input_blocks.6	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 6 (default: 1.0)
input_blocks.7	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 7 (default: 1.0)
input_blocks.8	FLOAT	Yes	0.0 - 1.0	Blending weight for input block 8 (default: 1.0)
middle_block.0	FLOAT	Yes	0.0 - 1.0	Blending weight for middle block 0 (default: 1.0)
middle_block.1	FLOAT	Yes	0.0 - 1.0	Blending weight for middle block 1 (default: 1.0)
middle_block.2	FLOAT	Yes	0.0 - 1.0	Blending weight for middle block 2 (default: 1.0)
output_blocks.0	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 0 (default: 1.0)
output_blocks.1	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 1 (default: 1.0)
output_blocks.2	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 2 (default: 1.0)
output_blocks.3	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 3 (default: 1.0)
output_blocks.4	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 4 (default: 1.0)
output_blocks.5	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 5 (default: 1.0)
output_blocks.6	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 6 (default: 1.0)
output_blocks.7	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 7 (default: 1.0)
output_blocks.8	FLOAT	Yes	0.0 - 1.0	Blending weight for output block 8 (default: 1.0)
out.	FLOAT	Yes	0.0 - 1.0	Blending weight for output layers (default: 1.0)

Outputs

Output Name	Data Type	Description
model	MODEL	The merged SDXL model combining characteristics from both input models