Checkpoints for ComfyUI have bnb in the file name. The ones without are preliminary for yet to be implemented nf4 loader for unet only model.

https://github.com/comfyanonymous/ComfyUI_bitsandbytes_NF4


![image/jpeg](https://cdn-uploads.huggingface.co/production/uploads/64159ad9986557e8cac2e333/H2SXUxrge8zDlxv_MLUa-.jpeg)