stable-diffusion-v1-4 vs FLUX.1-dev-ControlNet-Union-Pro-2.0

Specs, VRAM requirements and download trends — updated 28 July 2026.

CompVis · A
Params
860 M
Context
30d
447 K
creativeml-openrail-m licence · conditional
Shakker-Labs · B
Params
2.1 B
Context
30d
16 K

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-v1-4 FLUX.1-dev-ControlNet-Union-Pro-2.0
Parameters 860 M 2.1 B
Architecture
Context length
Licence creativeml-openrail-m other
Commercial use Conditional Unknown
Languages 1
Downloads 30d 446,773 15,986
Downloads all time 53.3 M 502 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2022-08-20 2025-04-14

Download trend

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

447 K16 K
stable-diffusion-v1-4 FLUX.1-dev-ControlNet-Union-Pro-2.0

VRAM side by side

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

FLUX.1-dev-ControlNet-Union-Pro-2.0 · fp16 5.5 GB / 24 GB
✅ Runs comfortably
stable-diffusion-v1-4 · fp16 13.5 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons