Sana is a text-to-image generation framework developed by NVIDIA, capable of efficiently generating images with resolutions up to 4096×4096. Known for its speed, strong text-image alignment capabilities, and deployability on laptop GPUs, Sana is built on a linear diffusion transformer, utilizing pre-trained text encoders and spatially compressed latent feature encoders, representing the latest advancements in text-to-image generation technology. Sana's key advantages include high-resolution image generation, fast synthesis, deployability on laptop GPUs, and open-source code, providing significant value in both research and practical applications.