stable-diffusion-xl-base-1.0 vs Z-Image-Lora

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

stabilityai · A · Open weights
Params
2.6 B
Context
—
30d
4.1 M
openrail++ licence · conditional
nphSi · B · Open weights
Params
6.2 B
Context
—
30d
233 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-xl-base-1.0 Z-Image-Lora
Parameters 2.6 B 6.2 B
Architecture — —
Context length — —
Licence openrail++ apache-2.0
Commercial use Conditional Allowed
Languages — —
Downloads 30d 4,113,571 233,281
Downloads all time 128.5 M 1.8 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2023-07-25 2025-12-01

Download trend

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

4.4 M193 K
stable-diffusion-xl-base-1.0 Z-Image-Lora

VRAM side by side

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

stable-diffusion-xl-base-1.0 · fp16 39.7 GB / 24 GB
❌ Won’t fit
Z-Image-Lora · fp16 114.5 GB / 24 GB
❌ Won’t fit

Adjacent comparisons