Stable Diffusion 3 (SD3) is an advanced text-to-image generation model developed by Stability AI, leveraging a latent diffusion approach and a Multimodal Diffusion Transformer architecture to generate high-quality images from textual descriptions. SD3 demonstrates superior performance compared to state-of-the-art text-to-image generation systems, showcasing advancements in typography and prompt adherence. The model offers models of varying sizes, ranging from 800 million to 8 billion parameters, to cater to different needs for scalability and image quality. SD3's architecture incorporates separate sets of weights for image and language representations, resulting in improved text understanding and spelling capabilities. The model is designed to be scalable and flexible, with a focus on open-source models that promote collaboration and innovation within the AI community.