BiRefNet vs RMBG-1.4
Specs, VRAM requirements and download trends — updated 21 September 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | BiRefNet | RMBG-1.4 |
|---|---|---|
| Parameters | 220 M | 40 M |
| Architecture | BiRefNet | BriaRMBG |
| Context length | — | — |
| Licence | mit | other |
| Commercial use | Allowed | Unknown |
| Languages | — | — |
| Downloads 30d | 997,619 | 348,517 |
| Downloads all time | 19.6 M | 17.6 M |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2024-07-12 | 2023-12-12 |
Download trend
Daily snapshots, last 56 days (28 Jul – 21 Sep)
1.0 M286 K
BiRefNet
RMBG-1.4
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
RMBG-1.4 · fp16
0.7 GB / 24 GB
BiRefNet · fp16
1.0 GB / 24 GB