This model is a diffusion model.
This is a bnb nf4 quantization of the z-image-turbo model (
https://huggingface.co/Tongyi-MAI/Z-Image-Turbo), It can be used directly in ComfyUI. The bnb nf4 model can be loaded in ComfyUI using a node similar to the one found at
https://github.com/mengqin/ComfyUI-UnetBnbModelLoader.