FLUX.1-dev vs Qwen-Image-Lightning

Specs, VRAM requirements and download trends — updated 6 August 2026.

black-forest-labs · A
Params
11.9 B
Context
30d
547 K
lightx2v · B
Params
Context
30d
438 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification FLUX.1-dev Qwen-Image-Lightning
Parameters 11.9 B
Architecture
Context length
Licence other apache-2.0
Commercial use Unknown Allowed
Languages 1 2
Downloads 30d 546,530 437,909
Downloads all time 32.5 M 6.6 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated Yes — accept licence No
First seen on the Hub 2024-07-31 2025-08-09

Download trend

Daily snapshots, last 10 days (28 Jul – 6 Aug)

558 K424 K
FLUX.1-dev Qwen-Image-Lightning

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
Qwen-Image-Lightning · fp16 72.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons