Flux-2-Dev vs Z-Image

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

Comfy-Org · A · Open weights
Params
—
Context
—
30d
998 K
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 Flux-2-Dev Z-Image
Parameters — 6.2 B
Architecture — —
Context length — —
Licence other apache-2.0
Commercial use Unknown Allowed
Languages — 1
Downloads 30d 997,775 43,879
Downloads all time 13.9 M 422 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2025-11-25 2026-01-23

Download trend

Daily snapshots, last 14 days (28 Oct – 10 Nov)

1.1 M22 K
Flux-2-Dev 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
Flux-2-Dev · fp16 118.4 GB / 24 GB
❌ Won’t fit

Adjacent comparisons