Example workflow: https://www.kombitz.com/2025/04/17/simple-comfyui-workflow-for-hidream-i1-gguf/
*quality comparison here: https://artificialanalysis.ai/text-to-image/model-family/hidream#quality
under 10GB Q4 version and14GB Q6K of HiDream quantized by city96
download and use locally. nodes here:
https://github.com/city96/ComfyUI-GGUF
vae and text encoders here:
https://huggingface.co/Comfy-Org/HiDream-I1_ComfyUI/tree/main/split_files