sana diffusers safetensors text-to-image Sana 512px_based_image_size Multi-language en zh arxiv:2410.10629 base_model:Efficient-Large-Model/Sana_1600M_512px_diffusers base_model:finetune:Efficient-Large-Model/Sana_1600M_512px_diffusers region:us
Small (<1GB)