Stable Diffusion 3.5 is the latest generation of Stability AI's open-source image generation model series, offering significant improvements in image quality, prompt adherence, and compositional accuracy. It introduces a multimodal diffusion transformer architecture that delivers superior understanding of complex prompts, better human anatomy, and enhanced fine details compared to previous versions. Artists, developers, and researchers run SD 3.5 locally or via API to produce high-resolution artwork, design assets, and visual concepts with full creative control and no usage restrictions.