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Fashion-MNIST

Drop-in MNIST replacement with 70,000 fashion item images across 10 classes.

LQS 83 · gold ✓ Commercial OK 70K images 30 MB Binary · CSV Released 2017
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Source: github.com · maintained by Zalando Research
70K
images
30 MB
Size on disk
83
LQS · gold
2017
First released

About this dataset

Fashion-MNIST from Zalando Research is a drop-in replacement for MNIST that's harder but keeps the same format. 70,000 28×28 grayscale images of fashion items (T-shirt, trouser, pullover, dress, coat, sandal, shirt, sneaker, bag, ankle boot), perfectly balanced at 7,000 images per class. Designed to address MNIST saturation — most modern classifiers hit >99% on MNIST, leaving no room to differentiate approaches.

Maintainer
License
Formats
Binary · CSV

LabelSets Quality Score

LQS is our 7-dimension quality score, computed from the dataset's published statistics. See methodology →

83
out of 100
gold tier

Solid dataset with some trade-offs

Composite score computed from the 7 dimensions below: completeness, uniqueness, validation health, size adequacy, format compliance, label density, and class balance.

Completeness 92
No public completeness metric; using prior for 'research_release' datasets.
Uniqueness 68
Minimal deduplication disclosed.
Validation 92
Labels produced by domain experts or trained annotators.
Size adequacy 81
70,000 images — below 100,000 target for Computer Vision, but usable.
Format compliance 95
Industry-standard format — drop-in compatible with mainstream tooling.
Label density 52
Average 1.0 labels per item (sparse).
Class balance 90
Near-uniform class distribution.

What it's used for

Common tasks and benchmarks where Fashion-MNIST is the default or competitive choice.

Sample statistics

What's actually in the dataset — from the maintainer's published stats.

60K train + 10K test. 28×28 grayscale. Perfectly balanced across 10 fashion categories. Expert-curated product photos with manual class assignment.

License

Fashion-MNIST is distributed under MIT. This is a third-party public dataset; LabelSets indexes and scores it but does not host or redistribute the data. Always verify current license terms with the maintainer before commercial use.

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Frequently Asked Questions

Fashion-MNIST is distributed under MIT, which generally permits commercial use. Always verify the current license terms with the maintainer (Zalando Research) before using in a commercial product.
Fashion-MNIST contains 70,000 images. 60K train + 10K test. 28×28 grayscale. Perfectly balanced across 10 fashion categories. Expert-curated product photos with manual class assignment.
Fashion-MNIST is maintained by Zalando Research and is available at https://github.com/zalandoresearch/fashion-mnist. LabelSets indexes and scores this dataset for discoverability but does not redistribute it.
LQS is a 7-dimension quality score (completeness, uniqueness, validation, size adequacy, format compliance, label density, class balance) computed from the dataset's published statistics. Composite scores map to tiers: platinum (≥90), gold (≥75), silver (≥60), bronze (<60). Read the full methodology.