stable-diffusion-v1-5 vs stable-diffusion-v1-1

Specs, VRAM requirements and download trends — updated 24 October 2026.

stable-diffusion-v1-5 · A · Open weights
Params
860 M
Context
—
30d
1.1 M
creativeml-openrail-m licence · conditional
CompVis · B · Open weights
Params
—
Context
—
30d
168 K
creativeml-openrail-m licence · conditional

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-v1-5 stable-diffusion-v1-1
Parameters 860 M —
Architecture — —
Context length — —
Licence creativeml-openrail-m creativeml-openrail-m
Commercial use Conditional Conditional
Languages — —
Downloads 30d 1,141,927 167,770
Downloads all time 78.8 M 689 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-08-30 2022-08-19

Download trend

Daily snapshots, last 89 days (28 Jul – 24 Oct)

1.8 M19 K
stable-diffusion-v1-5 stable-diffusion-v1-1

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

stable-diffusion-v1-1 · fp16 3.5 GB / 24 GB
✅ Runs comfortably
stable-diffusion-v1-5 · fp16 26.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons