alt.freeweights.vision / caformer_s18.sail_in22k
From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject:

caformer_s18.sail_in22k

Date: 2026-11-15Commit: 024fb67Signed: 2DC28CC7B26A283B ✓

Image classification model with 69M parameters. Safetensors weights, 552 MB in all. Published by timm under Apache-2.0.

69M params552MBcaformer_s18.sail_in22ksafetensorspermissive
FactsParams69MSize552 MBFormatssafetensorsTaskimage classificationLicenseApache-2.0From sourcepermissive
$ fw get timm/caformer_s18.sail_in22k
# manifest sha256 84eb430183aa… · 552 MB · 5 files
$ fw verify ./caformer_s18.sail_in22k timm/caformer_s18.sail_in22k
From sourceHosted (signed)timm/caformer_s18.sail_in22kLast check: 2026-11-15 03:37 UTC

Get help: custom fine-tune or private deploy. We review your setup before we quote.

Works with

Runs with

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

Overview

Size
552 MB
Weights
276 MB (safetensors)
Parameters
69M
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
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Original release from the publisher.

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BadgeHostLast checkResult
From sourcehuggingface.co2026-11-15 03:37 UTCpassed

Model card

From the publisher at commit 024fb67. Shown as plain text with links; images open at the publisher.

Model card for caformer_s18.sail_in22k#

A CAFormer (a MetaFormer) image classification model. Trained on ImageNet-22k by paper authors.

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('caformer_s18.sail_in22k', 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(
    'caformer_s18.sail_in22k',
    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, 64, 56, 56])
    #  torch.Size([1, 128, 28, 28])
    #  torch.Size([1, 320, 14, 14])
    #  torch.Size([1, 512, 7, 7])

    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(
    'caformer_s18.sail_in22k',
    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, 512, 7, 7) shaped tensor

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

Model Comparison#

Explore the dataset and runtime metrics of this model in timm model results.

Citation#

@article{yu2022metaformer_baselines,
  title={Metaformer baselines for vision},
  author={Yu, Weihao and Si, Chenyang and Zhou, Pan and Luo, Mi and Zhou, Yichen and Feng, Jiashi and Yan, Shuicheng and Wang, Xinchao},
  journal={arXiv preprint arXiv:2210.13452},
  year={2022}
}

Files

5 files · 552 MBWeights 276 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.48 KBdb7c0371f46f0840b8f25794c1e3321c9b5820a8cb6ba9694a46fc64b8fae5a6
README.md3.65 KB4f3e5505873f92e88fae635721d8c922fbd0afde77213e39313ffaa19a18145b
config.json578 Bb7d639fb5e8d166e7e5c6113f7e4c48c9d5df2cb14db9c90d02854f37d6f36e6
model.safetensors276 MBadb43beea227007f2cefa1c2acd92be3ebb92257d2686afb40875c5474646a5a
pytorch_model.bin276 MB992ac081eff504a83b8bb999e2c89fce046efe2efaea062abc4595c8204dc637
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
024fb67273 pinned now2026-11-15 03:37 UTC5 files · 552 MB

Use it

$ fw get timm/caformer_s18.sail_in22k
# manifest sha256 84eb430183aa… · 552 MB · 5 files
$ fw verify ./caformer_s18.sail_in22k timm/caformer_s18.sail_in22k
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/timm/caformer_s18.sail_in22k.json --dir ./caformer_s18.sail_in22k $ python3 fw.py verify ./caformer_s18.sail_in22k ./timm__caformer_s18.sail_in22k.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/caformer_s18.sail_in22k --revision 024fb67273e2929c2cc2d64f19d9ecc0270005e7 --local-dir ./caformer_s18.sail_in22k

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
4f3e5505873f92e88fae635721d8c922fbd0afde77213e39313ffaa19a18145b
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: caformer_s18.sail_in22kDate: 2026-11-15Commit: 024fb67Signed: 2DC28CC7B26A283B ✓
Upstream
timm/caformer_s18.sail_in22k
Pinned commit
024fb67273e2929c2cc2d64f19d9ecc0270005e7
Manifest
caformer_s18.sail_in22k.json · .minisig
Manifest sha256
84eb430183aa3ae68315fa91db62ca247928ab60d1bb1ccdf2c72e34e3554b9a
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 03:37 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/timm/caformer_s18.sail_in22k.json $ curl -O https://freeweights.allternit.com/manifests/timm/caformer_s18.sail_in22k.json.minisig $ minisign -Vm caformer_s18.sail_in22k.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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Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/caformer_s18.sail_in22k
Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest
minisign, key 2DC28CC7B26A283B. caformer_s18.sail_in22k.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