Chronos 2 is a time series forecasting foundation model hosted on Hugging Face. It belongs to the class of pretrained models for sequential data prediction and addresses the need to forecast future values from historical time series.
The model produces probabilistic forecasts through specified quantiles. It accepts context data in pandas DataFrame format and supports configurable prediction lengths along with identification of multiple series via an item identifier column. Users load it through the dedicated Chronos library with a single constructor call that can target GPU acceleration.
Chronos 2 carries an Apache-2.0 license. It is distributed as open-source weights in Safetensors format on the Hugging Face platform, where it can be accessed via the chronos-forecasting Python package or compatible inference tools. The repository references two associated arXiv papers that describe its development.
It is provided by Amazon and forms part of a broader collection of time series forecasting foundation models.
Chronos 2 is a Data science & ML workbench product. It enables accurate forecasting of future values in time series data for business and scientific applications. It is built as an open-source project for data scientists. Chronos 2 is open source under the Apache-2.0 license. Chronos 2 is available on the web, the command line, and API, and it can be self-hosted.
Amazon builds and maintains Chronos 2, and the product first shipped in 2024. Development happens publicly on GitHub with 5.6k stars and 11 commits in the last 90 days. Key capabilities include time series forecasting, probabilistic prediction, and open weights.
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