MobileNet-V5

Category: Encoder · Code: timm/models/mobilenetv5.py · Architectures: 3 · Pretrained weights: 1 (0 with ImageNet-1k results)

The MobileNet-V5 vision encoder from Google’s Gemma 3n, built from MobileNet-V4 blocks (Universal Inverted Residual, Mobile MQA) with a multi-scale fusion adapter.

Papers

• MobileNetV4 - Universal Models for the Mobile Ecosystem

Usage

See the Quickstart for loading pretrained weights, image preprocessing and fine-tuning, and Feature Extraction for using the models as backbones.

>>> import timm
>>> model = timm.create_model('mobilenetv5_300m.gemma3n', pretrained=True)
>>> data_config = timm.data.resolve_model_data_config(model)

Model API support

✓ supported, ✓ (square) works for square sizes only, ✗ not supported, – not needed (the model already accepts any input size). Checked by running each feature on a randomly initialized model (MobileNetV5 with mobilenetv5_base at 256, MobileNetV5Encoder with mobilenetv5_300m_enc at 256), other architectures of the same class are expected to behave the same. See the Model API page for details.

Architectures

GMACs and parameter counts are for the default input size and classifier of each architecture, from the benchmark results.

Pretrained weights

Top-1 is ImageNet-1k validation accuracy from results-imagenet.csv at the listed eval size, - if the weight has no ImageNet-1k result (e.g. pretraining or image-text weights). Classes is the size of the pretrained classifier, none for weights without one.