alt.freeweights.vision / mobilenetv4_hybrid_medium.ix_e550_r256_in1k
From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject:

mobilenetv4_hybrid_medium.ix_e550_r256_in1k

Date: 2026-11-15Commit: e52eadeSigned: 2DC28CC7B26A283B ✓

Image classification model with 11M parameters. Safetensors weights, 89.5 MB in all. Published by timm under Apache-2.0.

11M params89.5MBmobilenetv4_hybrid_medium.ix_e550_r256_in1ksafetensorspermissive
FactsParams11MSize89.5 MBFormatssafetensorsTaskimage classificationLicenseApache-2.0From sourcepermissive
$ fw get timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k
# manifest sha256 77c8adb1d169… · 89.5 MB · 5 files
$ fw verify ./mobilenetv4_hybrid_medium.ix_e550_r256_in1k timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k
From sourceHosted (signed)timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1kLast check: 2026-11-15 03:46 UTC

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Works with

Runs with

Ranked by fit to this model (safetensors), then by GitHub stars.

Overview

Size
89.5 MB
Weights
44.7 MB (safetensors)
Parameters
11M
Formats
safetensors
Task
image classification
License
Apache-2.0 (permissive)
Files
5, each with a sha256
Publisher
timm
Added
2026-11-15
Section
alt.freeweights.vision
Lineage

Original release from the publisher.

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Model card

From the publisher at commit e52eade. Shown as plain text with links; images open at the publisher.

Model card for mobilenetv4_hybrid_medium.ix_e550_r256_in1k#

A MobileNet-V4 image classification model. Trained on ImageNet-1k by Ross Wightman.

Trained with timm scripts using hyper-parameters inspired by the MobileNet-V4 paper with timm enhancements.

NOTE: So far, these are the only known MNV4 weights. Official weights for Tensorflow models are unreleased.

Model Details#

Model Usage#

Image Classification#
from urllib.request import urlopen
from PIL import Image
import timm

img = Image.open(urlopen(
    'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))

model = timm.create_model('mobilenetv4_hybrid_medium.ix_e550_r256_in1k', pretrained=True)
model = model.eval()

# get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)

output = model(transforms(img).unsqueeze(0))  # unsqueeze single image into batch of 1

top5_probabilities, top5_class_indices = torch.topk(output.softmax(dim=1) * 100, k=5)
Feature Map Extraction#
from urllib.request import urlopen
from PIL import Image
import timm

img = Image.open(urlopen(
    'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))

model = timm.create_model(
    'mobilenetv4_hybrid_medium.ix_e550_r256_in1k',
    pretrained=True,
    features_only=True,
)
model = model.eval()

# get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)

output = model(transforms(img).unsqueeze(0))  # unsqueeze single image into batch of 1

for o in output:
    # print shape of each feature map in output
    # e.g.:
    #  torch.Size([1, 32, 128, 128])
    #  torch.Size([1, 48, 64, 64])
    #  torch.Size([1, 80, 32, 32])
    #  torch.Size([1, 160, 16, 16])
    #  torch.Size([1, 960, 8, 8])

    print(o.shape)
Image Embeddings#
from urllib.request import urlopen
from PIL import Image
import timm

img = Image.open(urlopen(
    'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))

model = timm.create_model(
    'mobilenetv4_hybrid_medium.ix_e550_r256_in1k',
    pretrained=True,
    num_classes=0,  # remove classifier nn.Linear
)
model = model.eval()

# get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)

output = model(transforms(img).unsqueeze(0))  # output is (batch_size, num_features) shaped tensor

# or equivalently (without needing to set num_classes=0)

output = model.forward_features(transforms(img).unsqueeze(0))
# output is unpooled, a (1, 960, 8, 8) shaped tensor

output = model.forward_head(output, pre_logits=True)
# output is a (1, num_features) shaped tensor

Model Comparison#

By Top-1#
modeltop1top5param_countimg_size
mobilenetv4_conv_aa_large.e230_r448_in12k_ft_in1k84.9997.29432.59544
mobilenetv4_conv_aa_large.e230_r384_in12k_ft_in1k84.77297.34432.59480
mobilenetv4_conv_aa_large.e230_r448_in12k_ft_in1k84.6497.11432.59448
mobilenetv4_hybrid_large.ix_e600_r384_in1k84.35696.89237.76448
mobilenetv4_conv_aa_large.e230_r384_in12k_ft_in1k84.31497.10232.59384
mobilenetv4_hybrid_large.e600_r384_in1k84.26696.93637.76448
mobilenetv4_hybrid_large.ix_e600_r384_in1k83.99096.70237.76384
mobilenetv4_conv_aa_large.e600_r384_in1k83.82496.73432.59480
mobilenetv4_hybrid_large.e600_r384_in1k83.80096.77037.76384
mobilenetv4_hybrid_medium.ix_e550_r384_in1k83.39496.76011.07448
mobilenetv4_conv_large.e600_r384_in1k83.39296.62232.59448
mobilenetv4_conv_aa_large.e600_r384_in1k83.24496.39232.59384
mobilenetv4_hybrid_medium.e200_r256_in12k_ft_in1k82.9996.6711.07320
mobilenetv4_hybrid_medium.ix_e550_r384_in1k82.96896.47411.07384
mobilenetv4_conv_large.e600_r384_in1k82.95296.26632.59384
mobilenetv4_conv_large.e500_r256_in1k82.67496.3132.59320
mobilenetv4_hybrid_medium.ix_e550_r256_in1k82.49296.27811.07320
mobilenetv4_hybrid_medium.e200_r256_in12k_ft_in1k82.36496.25611.07256
mobilenetv4_conv_large.e500_r256_in1k81.86295.6932.59256
resnet50d.ra4_e3600_r224_in1k81.83895.92225.58288
mobilenetv3_large_150d.ra4_e3600_r256_in1k81.80695.914.62320
mobilenetv4_hybrid_medium.ix_e550_r256_in1k81.44695.70411.07256
efficientnet_b1.ra4_e3600_r240_in1k81.44095.7007.79288
mobilenetv4_hybrid_medium.e500_r224_in1k81.27695.74211.07256
resnet50d.ra4_e3600_r224_in1k80.95295.38425.58224
mobilenetv3_large_150d.ra4_e3600_r256_in1k80.94495.44814.62256
mobilenetv4_conv_medium.e500_r256_in1k80.85895.7689.72320
mobilenet_edgetpu_v2_m.ra4_e3600_r224_in1k80.68095.4428.46256
mobilenetv4_hybrid_medium.e500_r224_in1k80.44295.3811.07224
efficientnet_b1.ra4_e3600_r240_in1k80.40695.1527.79240
mobilenetv4_conv_blur_medium.e500_r224_in1k80.14295.2989.72256
mobilenet_edgetpu_v2_m.ra4_e3600_r224_in1k80.13095.0028.46224
mobilenetv4_conv_medium.e500_r256_in1k79.92895.1849.72256
mobilenetv4_conv_medium.e500_r224_in1k79.80895.1869.72256
mobilenetv4_conv_blur_medium.e500_r224_in1k79.43894.9329.72224
efficientnet_b0.ra4_e3600_r224_in1k79.36494.7545.29256
mobilenetv4_conv_medium.e500_r224_in1k79.09494.779.72224
efficientnet_b0.ra4_e3600_r224_in1k78.58494.3385.29224
mobilenetv1_125.ra4_e3600_r224_in1k77.60093.8046.27256
mobilenetv3_large_100.ra4_e3600_r224_in1k77.16493.3365.48256
mobilenetv1_125.ra4_e3600_r224_in1k76.92493.2346.27224
mobilenetv1_100h.ra4_e3600_r224_in1k76.59693.2725.28256
mobilenetv3_large_100.ra4_e3600_r224_in1k76.31092.8465.48224
mobilenetv1_100.ra4_e3600_r224_in1k76.09493.0044.23256
mobilenetv1_100h.ra4_e3600_r224_in1k75.66292.5045.28224
mobilenetv1_100.ra4_e3600_r224_in1k75.38292.3124.23224
mobilenetv4_conv_small.e2400_r224_in1k74.61692.0723.77256
mobilenetv4_conv_small.e1200_r224_in1k74.29292.1163.77256
mobilenetv4_conv_small.e2400_r224_in1k73.75691.4223.77224
mobilenetv4_conv_small.e1200_r224_in1k73.45491.343.77224

Citation#

@article{qin2024mobilenetv4,
  title={MobileNetV4-Universal Models for the Mobile Ecosystem},
  author={Qin, Danfeng and Leichner, Chas and Delakis, Manolis and Fornoni, Marco and Luo, Shixin and Yang, Fan and Wang, Weijun and Banbury, Colby and Ye, Chengxi and Akin, Berkin and others},
  journal={arXiv preprint arXiv:2404.10518},
  year={2024}
}
@misc{rw2019timm,
  author = {Ross Wightman},
  title = {PyTorch Image Models},
  year = {2019},
  publisher = {GitHub},
  journal = {GitHub repository},
  doi = {10.5281/zenodo.4414861},
  howpublished = {\url{https://github.com/huggingface/pytorch-image-models}}
}

Files

5 files · 89.5 MBWeights 44.7 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md13.1 KB64b97bb726306b163febb794772724952e27d39c13be1099348c1a73090fc479
config.json684 Bc7d2f9a4a21fa301f728f91a204171bdf8199cdc332e2bce1670181b8b077913
model.safetensors44.7 MB73386a2e0b9c5808e146233b28ebb5259881661196b601b1fbb4d39ed62352d9
pytorch_model.bin44.8 MB56a9c97f0ad32db39461a6527b3c67d378e21b7feda05e70ab103e1e8a40728a
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
e52eade7d4 pinned now2026-11-15 03:46 UTC5 files · 89.5 MB

Use it

$ fw get timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k
# manifest sha256 77c8adb1d169… · 89.5 MB · 5 files
$ fw verify ./mobilenetv4_hybrid_medium.ix_e550_r256_in1k timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json --dir ./mobilenetv4_hybrid_medium.ix_e550_r256_in1k $ python3 fw.py verify ./mobilenetv4_hybrid_medium.ix_e550_r256_in1k ./timm__mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k --revision e52eade7d435eb5dec7c61a1e466a1528f69f496 --local-dir ./mobilenetv4_hybrid_medium.ix_e550_r256_in1k

License

Name
Apache License 2.0
Id
Apache-2.0
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-15
Text in
README.md
Text sha256
64b97bb726306b163febb794772724952e27d39c13be1099348c1a73090fc479
Terms gate
No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject: mobilenetv4_hybrid_medium.ix_e550_r256_in1kDate: 2026-11-15Commit: e52eadeSigned: 2DC28CC7B26A283B ✓
Upstream
timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k
Pinned commit
e52eade7d435eb5dec7c61a1e466a1528f69f496
Manifest
mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json · .minisig
Manifest sha256
77c8adb1d169b4f84bde65256b3c62c4d083bba30253dc6f23f274a6e66c54ee
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 03:46 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json $ curl -O https://freeweights.allternit.com/manifests/timm/mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json.minisig $ minisign -Vm mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq $ shasum -a 256 <file> # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

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Signed manifest
minisign, key 2DC28CC7B26A283B. mobilenetv4_hybrid_medium.ix_e550_r256_in1k.json. Provenance. Takedown history: none.
From: dima806 <huggingface.co/dima806>Subject: ai_vs_real_image_detection
From: legekka <huggingface.co/legekka>Subject: AI-Anime-Image-Detector-ViT
From: onnx-community <huggingface.co/onnx-community>Subject: AI-Anime-Image-Detector-ViT-ONNX
From: AICodexLab <huggingface.co/AICodexLab>Subject: answerdotai-ModernBERT-base-ai-detector
From: onnx-community <huggingface.co/onnx-community>Subject: answerdotai-ModernBERT-base-ai-detector-ONNX
From: onnx-community <huggingface.co/onnx-community>Subject: bart-large-cnn-ONNX