ModelMergeCosmosPredict2_14B - ComfyUI Built-in Node Documentation

Complete documentation for the ModelMergeCosmosPredict2_14B node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The ModelMergeCosmosPredict2_14B node allows you to merge two AI models by adjusting the influence of different model components. It provides fine-grained control over how much each part of the second model contributes to the final merged model, using blending weights for specific model layers and components.

Inputs

Parameter	Data Type	Required	Range	Description
model1	MODEL	Yes	-	The base model to merge with
model2	MODEL	Yes	-	The secondary model to merge into the base model
pos_embedder.	FLOAT	Yes	0.0 - 1.0	Position embedder blending weight (default: 1.0)
x_embedder.	FLOAT	Yes	0.0 - 1.0	Input embedder blending weight (default: 1.0)
t_embedder.	FLOAT	Yes	0.0 - 1.0	Time embedder blending weight (default: 1.0)
t_embedding_norm.	FLOAT	Yes	0.0 - 1.0	Time embedding normalization blending weight (default: 1.0)
blocks.0.	FLOAT	Yes	0.0 - 1.0	Block 0 blending weight (default: 1.0)
blocks.1.	FLOAT	Yes	0.0 - 1.0	Block 1 blending weight (default: 1.0)
blocks.2.	FLOAT	Yes	0.0 - 1.0	Block 2 blending weight (default: 1.0)
blocks.3.	FLOAT	Yes	0.0 - 1.0	Block 3 blending weight (default: 1.0)
blocks.4.	FLOAT	Yes	0.0 - 1.0	Block 4 blending weight (default: 1.0)
blocks.5.	FLOAT	Yes	0.0 - 1.0	Block 5 blending weight (default: 1.0)
blocks.6.	FLOAT	Yes	0.0 - 1.0	Block 6 blending weight (default: 1.0)
blocks.7.	FLOAT	Yes	0.0 - 1.0	Block 7 blending weight (default: 1.0)
blocks.8.	FLOAT	Yes	0.0 - 1.0	Block 8 blending weight (default: 1.0)
blocks.9.	FLOAT	Yes	0.0 - 1.0	Block 9 blending weight (default: 1.0)
blocks.10.	FLOAT	Yes	0.0 - 1.0	Block 10 blending weight (default: 1.0)
blocks.11.	FLOAT	Yes	0.0 - 1.0	Block 11 blending weight (default: 1.0)
blocks.12.	FLOAT	Yes	0.0 - 1.0	Block 12 blending weight (default: 1.0)
blocks.13.	FLOAT	Yes	0.0 - 1.0	Block 13 blending weight (default: 1.0)
blocks.14.	FLOAT	Yes	0.0 - 1.0	Block 14 blending weight (default: 1.0)
blocks.15.	FLOAT	Yes	0.0 - 1.0	Block 15 blending weight (default: 1.0)
blocks.16.	FLOAT	Yes	0.0 - 1.0	Block 16 blending weight (default: 1.0)
blocks.17.	FLOAT	Yes	0.0 - 1.0	Block 17 blending weight (default: 1.0)
blocks.18.	FLOAT	Yes	0.0 - 1.0	Block 18 blending weight (default: 1.0)
blocks.19.	FLOAT	Yes	0.0 - 1.0	Block 19 blending weight (default: 1.0)
blocks.20.	FLOAT	Yes	0.0 - 1.0	Block 20 blending weight (default: 1.0)
blocks.21.	FLOAT	Yes	0.0 - 1.0	Block 21 blending weight (default: 1.0)
blocks.22.	FLOAT	Yes	0.0 - 1.0	Block 22 blending weight (default: 1.0)
blocks.23.	FLOAT	Yes	0.0 - 1.0	Block 23 blending weight (default: 1.0)
blocks.24.	FLOAT	Yes	0.0 - 1.0	Block 24 blending weight (default: 1.0)
blocks.25.	FLOAT	Yes	0.0 - 1.0	Block 25 blending weight (default: 1.0)
blocks.26.	FLOAT	Yes	0.0 - 1.0	Block 26 blending weight (default: 1.0)
blocks.27.	FLOAT	Yes	0.0 - 1.0	Block 27 blending weight (default: 1.0)
blocks.28.	FLOAT	Yes	0.0 - 1.0	Block 28 blending weight (default: 1.0)
blocks.29.	FLOAT	Yes	0.0 - 1.0	Block 29 blending weight (default: 1.0)
blocks.30.	FLOAT	Yes	0.0 - 1.0	Block 30 blending weight (default: 1.0)
blocks.31.	FLOAT	Yes	0.0 - 1.0	Block 31 blending weight (default: 1.0)
blocks.32.	FLOAT	Yes	0.0 - 1.0	Block 32 blending weight (default: 1.0)
blocks.33.	FLOAT	Yes	0.0 - 1.0	Block 33 blending weight (default: 1.0)
blocks.34.	FLOAT	Yes	0.0 - 1.0	Block 34 blending weight (default: 1.0)
blocks.35.	FLOAT	Yes	0.0 - 1.0	Block 35 blending weight (default: 1.0)
final_layer.	FLOAT	Yes	0.0 - 1.0	Final layer blending weight (default: 1.0)

Note: All blending weight parameters accept values between 0.0 and 1.0, where 0.0 means no contribution from model2 and 1.0 means full contribution from model2 for that specific component.

Outputs

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