ComfyUI_bitsandbytes_NF4 #

This lets you load in the flux1-dev-bnb-nf4-v2 and the flux1-schnell-bnb-nf4 models. For more information look at the Model Page Illyasviel made or silveroxide’s flux-nf4-weights repository.

cd custom_nodes
git clone https://github.com/comfyanonymous/ComfyUI_bitsandbytes_NF4

You will want to use the CheckpointLoaderNF4 node to load in the models.

CheckpointLoaderNF4 Node

Here is an example workflow:

Example NF4 Workflow