SD 3 Medium
imageby Stability AI · Updated August 1, 2025
Stable Diffusion 3 Medium uses a new MMDiT architecture for improved image quality, text rendering, and compositional understanding. A significant step forward in open-source image generation.
Best For
Prompting Tips
- 1SD3 handles text in images significantly better than SDXL
- 2Uses a new prompt format — more natural language friendly
- 3CFG scale around 4-7 works well
- 4Supports both positive and negative prompts
Syntax & Constraints
Natural language prompts with optional weighting. Negative prompt supported. New architecture allows better understanding of spatial relationships.
Build Prompts for SD 3 Medium
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Visual prompt builder
Other Stable Diffusion Models
The most popular open-source image generation model.
Efficient multi-stage generation architecture.
Latest Stable Diffusion with 8B parameters for top quality.
Real-time SDXL generation in a single step.
Open-source image-to-video generation model.
Stability AI's open-source music and sound generation model with 3-minute high-quality output.