NVIDIA Cosmos – ComfyUI Installation Directions


The ComfyAnonymous Directions for the workflow can be read below or found at this url:

https://gist.github.com/comfyanonymous/2f57adabe5a22b36a21ae024306daddb

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Text encoder and VAE:

https://huggingface.co/comfyanonymous/cosmos_1.0_text_encoder_and_VAE_ComfyUI/tree/main

oldt5_xxl_fp8_e4m3fn_scaled.safetensors -> ComfyUI/models/text_encoders

cosmos_cv8x8x8_1.0.safetensors -> ComfyUI/models/vae

Note: oldt5_xxl is not the same as the t5xxl used in flux and other models. oldt5_xxl is t5xxl 1.0 while the one used in flux and others is t5xxl 1.1

diffusion models repackaged in safetensors:

https://huggingface.co/mcmonkey/cosmos-1.0/tree/main

Goes in: ComfyUI/models/diffusion_models


Workflow: https://gist.github.com/comfyanonymous/2f57adabe5a22b36a21ae024306daddb/raw/378944646e97018cb83bf3883ae645920e1c48fd/cosmos_test_workflow.json

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