Stable Diffusion 3 is a new text-to-image generator AI model launched by Stability AI, which represents a significant improvement compared to earlier versions in terms of multi-character prompts, image quality, and spelling accuracy. The model incorporates a diffusion transformer architecture and flow matching technology, with parameter sizes ranging from 800M to 8B. It offers various deployment options from individual users to corporate clients. Key features include high-quality image generation, support for multiple subjects, and spelling error correction. Typical application scenarios include digital art creation, image editing, game and film production, among others. Compared to earlier versions, this AI assistant boasts enhanced comprehension and creative abilities, setting a new benchmark for safe, open, and inclusive generative AI.