stable-diffusion-v1-5 vs PixArt-Sigma-XL-2-1024-MS

Specs, VRAM requirements and download trends — updated 21 September 2026.

stable-diffusion-v1-5 · A
Params
860 M
Context
30d
1.8 M
creativeml-openrail-m licence · conditional
PixArt-alpha · B
Params
611 M
Context
30d
27 K
openrail++ licence · conditional

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-v1-5 PixArt-Sigma-XL-2-1024-MS
Parameters 860 M 611 M
Architecture
Context length
Licence creativeml-openrail-m openrail++
Commercial use Conditional Conditional
Languages
Downloads 30d 1,791,865 27,300
Downloads all time 77.5 M 528 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-08-30 2024-04-11

Download trend

Daily snapshots, last 56 days (28 Jul – 21 Sep)

1.8 M26 K
stable-diffusion-v1-5 PixArt-Sigma-XL-2-1024-MS

VRAM side by side

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

PixArt-Sigma-XL-2-1024-MS · fp16 24.6 GB / 24 GB
❌ Won’t fit
stable-diffusion-v1-5 · fp16 26.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons