stable-diffusion-v1-5 vs nunchaku-flux.1-schnell

Specs, VRAM requirements and download trends — updated 1 October 2026.

stable-diffusion-v1-5 · A · Open weights
Params
860 M
Context
—
30d
1.0 M
creativeml-openrail-m licence · conditional
nunchaku-ai · B · Open weights
Params
—
Context
—
30d
28 K
apache-2.0 · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification stable-diffusion-v1-5 nunchaku-flux.1-schnell
Parameters 860 M —
Architecture — —
Context length — —
Licence creativeml-openrail-m apache-2.0
Commercial use Conditional Allowed
Languages — 1
Downloads 30d 1,042,451 27,603
Downloads all time 79.4 M 107 K
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-08-30 2025-07-17

Download trend

Daily snapshots, last 90 days (13 Aug – 10 Nov)

1.8 M20 K
stable-diffusion-v1-5 nunchaku-flux.1-schnell

VRAM side by side

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

nunchaku-flux.1-schnell · fp16 15.6 GB / 24 GB
✅ Runs comfortably
stable-diffusion-v1-5 · fp16 26.6 GB / 24 GB
❌ Won’t fit

Adjacent comparisons