Image
Legacy
Open weights
Stable Diffusion 2.1
Legacy SD pipelines
Release2022-12
Context77
Max output—
Parameters0.87B
Local / VRAM4–8 GB
LicenseOpen weights
Overview
Stable Diffusion 2.1 is a model in the Image category from Stability AI. It was released in 2022-12. The vendor is based in UK. Best for: Legacy SD pipelines.
Strengths
- Small
- Open license
Limits
- 1.5/SDXL ecosystems are stronger
- Low quality
Specifications
| Vendor | Stability AI |
|---|---|
| Category | Image |
| Release | 2022-12 |
| Status | Legacy |
| License | Open weights |
| License name | CreativeML OpenRAIL++-M |
| Commercial use | Allowed |
| Parameters | 0.87B |
| Context window | 77 |
| Input modalities | Text |
| Output modalities | Image |
| Prompt types | Text |
| Negative prompts | Yes |
| Max outputs | 1-8 |
| Resolution | 512/768px |
| Local deployment | Yes |
| VRAM | 4–8 GB |
| System RAM | 8–16 GB |
| API access | Yes |
| Pricing | Free weights |
| Confidence | High |
| Vendor country | UK |
| Vendor type | Open lab |
Pricing & hardware
Free weights
This model can be self-hosted or run locally. Approximate GPU memory: 4–8 GB. Approximate system RAM: 8–16 GB. API access is available.