Sana is a text-to-image generation framework developed by NVIDIA, designed to efficiently generate images with resolutions of up to 4096×4096 pixels. Notable for its rapid performance and strong text-image alignment capabilities, Sana can be deployed on laptop GPUs, marking a significant advancement in image generation technology. The model is based on a linear diffusion transformer and utilizes a pre-trained text encoder along with a spatially compressed latent feature encoder to generate and modify images based on text prompts. The open-source code for Sana is available on GitHub, with promising research and application prospects, particularly in areas like art creation, educational tools, and model research.