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

Specs, VRAM requirements and download trends — updated 29 October 2026.

stabilityai · A · Open weights
Params
2.6 B
Context
—
30d
4.6 M
openrail++ licence · conditional
Tongyi-MAI · B · Open weights
Params
6.2 B
Context
—
30d
44 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-xl-base-1.0 Z-Image
Parameters 2.6 B 6.2 B
Architecture — —
Context length — —
Licence openrail++ apache-2.0
Commercial use Conditional Allowed
Languages — 1
Downloads 30d 4,649,928 43,879
Downloads all time 131.4 M 422 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2023-07-25 2026-01-23

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

4.7 M22 K
stable-diffusion-xl-base-1.0 Z-Image

VRAM side by side

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

Z-Image · fp16 24.0 GB / 24 GB
⚠️ Tight — reduce context
stable-diffusion-xl-base-1.0 · fp16 39.7 GB / 24 GB
❌ Won’t fit

Adjacent comparisons