Fast / small open background removal models#
When throughput matters more than perfect hair, start with the small rembg sessions and compare against withoutBG Open on the same images.
U²-NetP
Apache-2.0Lightweight U²-Net variant for faster CPU inference.
U²-Net · rembg `u2netp` · ONNX · vs withoutBG Open
Silueta
Apache-2.0Compact silhouette-oriented model shipped with rembg.
U²-Net · rembg `silueta` · ONNX · vs withoutBG Open
BiRefNet General Lite
MITLighter BiRefNet general checkpoint for faster inference.
BiRefNet · rembg `birefnet-general-lite` · ONNX · vs withoutBG Open
withoutBG Open Weights
Apache-2.0Apache-2.0 open-weights background removal model from withoutBG. Self-host via Python, Docker, or Mac.
withoutBG · ONNX
See also the comparison matrix and rembg model hub.