FLUX.1-dev vs Z-Image-Loras

Specs, VRAM requirements and download trends — updated 20 September 2026.

black-forest-labs · A
Params
11.9 B
Context
30d
765 K
SDim1973 · B
Params
Context
30d
63 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification FLUX.1-dev Z-Image-Loras
Parameters 11.9 B
Architecture
Context length
Licence other apache-2.0
Commercial use Unknown Allowed
Languages 1
Downloads 30d 764,743 62,586
Downloads all time 33.6 M 71 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated Yes — accept licence No
First seen on the Hub 2024-07-31 2026-05-31

Download trend

Daily snapshots, last 55 days (28 Jul – 20 Sep)

835 K21 K
FLUX.1-dev Z-Image-Loras

VRAM side by side

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

FLUX.1-dev · fp16 66.0 GB / 24 GB
❌ Won’t fit
Z-Image-Loras · fp16 90.1 GB / 24 GB
❌ Won’t fit

Adjacent comparisons