FLUX.1-dev vs Juggernaut-XL-Lightning

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

black-forest-labs · A
Params
11.9 B
Context
30d
743 K
RunDiffusion · B
Params
2.6 B
Context
30d
24 K
creativeml-openrail-m licence · conditional

Specification comparison

Differences are highlighted; identical values are muted.

Specification FLUX.1-dev Juggernaut-XL-Lightning
Parameters 11.9 B 2.6 B
Architecture
Context length
Licence other creativeml-openrail-m
Commercial use Unknown Conditional
Languages 1 1
Downloads 30d 742,883 24,110
Downloads all time 33.6 M 510 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated Yes — accept licence No
First seen on the Hub 2024-07-31 2024-02-23

Download trend

Daily snapshots, last 57 days (28 Jul – 22 Sep)

835 K23 K
FLUX.1-dev Juggernaut-XL-Lightning

VRAM side by side

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

Juggernaut-XL-Lightning · fp16 8.7 GB / 24 GB
✅ Runs comfortably
FLUX.1-dev · fp16 66.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons