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MODEL SIGNAL · STABILITY AI

Stable Diffusion 3.5 Large

Stability AI's best open-weights image generation model. 8B parameter MMDiT-X architecture with superior prompt adherence, diverse outputs, and quality rivaling Midjourney and DALL-E 3.

CATEGORYImage
RELEASEDOctober 22, 2025
Key Features
  • 8B MMDiT-X architecture
  • Superior prompt adherence
  • Open weights
  • 1:1, 16:9, 9:16 aspect ratios
  • Commercial license

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