Chronos (time series models)
Chronos (time series models) is a model family from Amazon (Amazon Web Services)134, with 1 assessed release in this catalog. Licenses and availability are recorded for each release, not for the family; its releases use the Apache License 2.0.
Chronos is Amazon's family of pretrained time-series forecasting models. It includes the original T5-based Chronos models (March 2024, 8M to 710M parameters), the patch-based Chronos-Bolt models (November 2024), and Chronos-2 (October 2025), a 120M-parameter encoder-only model that adds multivariate and covariate-informed forecasting.12
- Repository: chronos-forecasting repository (external site: github.com)
- Model hub: Chronos models on Hugging Face (external site: huggingface.co)
- Paper: Chronos-2: From Univariate to Universal Forecasting (arXiv 2510.15821) (external site: arxiv.org)
- Paper: Original Chronos paper (arXiv 2403.07815) (external site: arxiv.org)
Releases assessed
| Release | Weights | Tier (USASI rubric v0.2) | License | Released |
|---|---|---|---|---|
| Chronos-2 | Weights: Public | Model-disclosure tier (USASI rubric v0.2): Open-weight | Apache-2.0, Apache-2.0 | Oct 20, 2025 |
What it is useful for
Organization context
U.S. eligibility
Eligible · basis: Documented U.S. control
The models are published by Amazon under the amazon-science GitHub organization and the amazon Hugging Face organization, and Amazon's science blog and the Chronos-2 report attribute the work to Amazon Web Services, a segment of Amazon.com, Inc. Amazon.com, Inc. has its principal executive offices in Seattle, Washington, per its fiscal 2025 Form 10-K.1345
Sources
This listing is not an endorsement, a safety assessment, or a federal approval.
Share or cite this page
- X (opens X)
- Bluesky (opens Bluesky)
- LinkedIn (opens LinkedIn)
- Reddit (opens Reddit)
- Hacker News (opens Hacker News)
- Email (opens your email app)
- RSS updates
Cite this page
APA style
USASI. (2026, September 29). Chronos (time series models). United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/open/chronos/
BibTeX
@misc{usasi_chronos,
author = {{USASI}},
title = {Chronos (time series models)},
year = {2026},
month = sep,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/open/chronos/}},
note = {United States of America Superintelligence. Last updated 2026-09-29}
}The date is when this page was last updated. Add the date you read it if your style needs one.
For maintainers: a “Listed in USASI” badge
Links to this page. It says the entry is listed, not endorsed or rated. About the badge
Markdown (for a README)
[](https://unitedstatesofamericasuperintelligence.com/open/chronos/)
HTML
<a href="https://unitedstatesofamericasuperintelligence.com/open/chronos/"><img src="https://unitedstatesofamericasuperintelligence.com/badges/listed.svg" alt="Listed in the USASI catalog" height="20"></a>