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chronos2-onnx
sktime/chronos2-onnx
chronos2-onnx is a machine learning model from sktime. Use it for the machine learning task on the model card, and read the license before you ship it in a product. The card lists the license as apache-2.0.
Unquantized fp32 ONNX export of amazon/chronos-2 (Apache-2.0).
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Updated Sep 1, 2026
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482 MB
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At a glance
- License
- apache-2.0
- Access
- Public
- Created
- Sep 1, 2026
- Updated
- Sep 1, 2026
- SHA
- 84282421
Base models
Model card
From the Hugging Face model README
Chronos-2 (fp32 ONNX)
Unquantized fp32 ONNX export of amazon/chronos-2 (Apache-2.0).
fp32 output verified within 0.0001% of forecast spread of the official Chronos2Pipeline. Unofficial export, not
affiliated with or endorsed by the model authors.
Contract
| input | dtype | shape | notes |
|---|---|---|---|
context | float32 | ['batch', 2048] | NaN = missing; left-pad short series with NaN |
group_ids | int64 | ['batch'] | rows sharing an id are forecast jointly (multivariate); distinct ids = independent |
Output quantiles: float32 ['batch', 64, 21]. Quantile levels: [0.01, 0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 0.99].
One forward pass. Left-pad short series with NaN (the model is missing-aware; padding is exactly equivalent to the natural-length call). Median is level index 10.
See manifest.json for the machine-readable contract and the artifact's
sha256.
- License
- apache-2.0
- Created
- Sep 1, 2026
- Updated
- Sep 1, 2026