FLUX.1-dev vs realistic-vision-v51

Specs, VRAM requirements and download trends — updated 3 August 2026.

black-forest-labs · A
Params
11.9 B
Context
30d
547 K
stablediffusionapi · B
Params
860 M
Context
30d
20 K
creativeml-openrail-m licence · conditional

Specification comparison

Differences are highlighted; identical values are muted.

Specification FLUX.1-dev realistic-vision-v51
Parameters 11.9 B 860 M
Architecture
Context length
Licence other creativeml-openrail-m
Commercial use Unknown Conditional
Languages 1
Downloads 30d 546,530 20,462
Downloads all time 32.5 M 1.5 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated Yes — accept licence No
First seen on the Hub 2024-07-31 2023-10-09

Download trend

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

558 K20 K
FLUX.1-dev realistic-vision-v51

VRAM side by side

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

realistic-vision-v51 · fp16 3.6 GB / 24 GB
✅ Runs comfortably
FLUX.1-dev · fp16 66.0 GB / 24 GB
❌ Won’t fit

Adjacent comparisons