Stable Diffusion 2.1
by Stability AI
· Stable Diffusion family · released Dec 7, 2022
Open weights
Active
OpenCLIP-based SD2 refresh.
This model has no first-party API. Open-weight release: self-host from published weights.
Specifications
| Model type | Image gen |
|---|---|
| Architecture | Dense |
| Parameters | 0.9 |
| Context window | Not disclosed tokens |
| Max output | Not disclosed tokens |
| Knowledge cutoff | Not disclosed |
| License | CreativeML Open RAIL-M |
| Modalities | Text input Image output |
| Tags | - |
| End of life | Not disclosed |
| Last verified | Aug 20, 2026 |