stable-diffusion-xl-base-1.0 vs stable-diffusion-2-1
Specs, VRAM requirements and download trends — updated 6 August 2026.
stabilityai · A
Params
2.6 B
Context
—
30d
1.5 M
openrail++ licence · conditional
sd2-community · B
Params
870 M
Context
—
30d
20 K
openrail++ licence · conditional
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | stable-diffusion-xl-base-1.0 | stable-diffusion-2-1 |
|---|---|---|
| Parameters | 2.6 B | 870 M |
| Architecture | — | — |
| Context length | — | — |
| Licence | openrail++ | openrail++ |
| Commercial use | Conditional | Conditional |
| Languages | — | — |
| Downloads 30d | 1,472,617 | 19,571 |
| Downloads all time | 119.7 M | 119 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2023-07-25 | 2025-11-15 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
1.5 M16 K
stable-diffusion-xl-base-1.0
stable-diffusion-2-1
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
stable-diffusion-2-1 · fp16
20.6 GB / 24 GB
stable-diffusion-xl-base-1.0 · fp16
39.7 GB / 24 GB
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