Stable Diffusion 3 Medium
SD3 Medium (2B) releases open weights under a non-commercial research licence, then draws complaints about artifacts and weak prompt adherence.
First open SD3 weights, a 2B-parameter MMDiT optimised with NVIDIA and AMD. Commercial use required a separate licence. TechCrunch later described the reception as complaints about peculiar artifacts and poor prompt adherence, which SD 3.5 tried to fix.
- Date
- Wednesday, 12 June 2024
- Lab
- Stability AI
- Kind
- open-weights
- Access
- open weights (restricted license)
Figures
| Measure | Value | Measured by |
|---|---|---|
| Parameters | 2B | company |
The weak reception and licence terms are one reason the open-image community moved to FLUX.1 weeks later (Inference, not stated by sources).
Sources
- stability.ai/news-updates/stable-diffusion-3-medium
- techcrunch.com/2024/10/22/stability-claims-its-newest-stable-diffusion-models-generate-mor
This record was checked against its sources on 6 October 2026. How we check