BiRefNet vs BiRefNet_lite

Specs, VRAM requirements and download trends — updated 29 October 2026.

ZhengPeng7 · A · Open weights
Params
220 M
Context
—
30d
1.0 M
mit · commercial OK
ZhengPeng7 · B · Open weights
Params
44 M
Context
—
30d
196 K
mit · commercial OK

Specification comparison

Differences are highlighted; identical values are muted.

Specification BiRefNet BiRefNet_lite
Parameters 220 M 44 M
Architecture BiRefNet BiRefNet
Context length — —
Licence mit mit
Commercial use Allowed Allowed
Languages — —
Downloads 30d 1,014,054 196,308
Downloads all time 21.2 M 1.1 M
Quantizations on the Hub SAFETENSORS SAFETENSORS
Gated No No
First seen on the Hub 2024-07-12 2024-08-02

Download trend

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

1.0 M196 K
BiRefNet BiRefNet_lite

VRAM side by side

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

BiRefNet_lite · fp16 0.7 GB / 24 GB
✅ Runs comfortably
BiRefNet · fp16 1.0 GB / 24 GB
✅ Runs comfortably

Adjacent comparisons