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Timestral

We introduce Timestral, a family of four time series foundation models for probabilistic forecasting, with 5M, 28M, 123M, and 209M parameters. Timestral sets a new state of the art on GIFT-Eval, TIME,

  • Upvotes8
–Rank now
#19Peak rank
2Days on list
–Score · 7d
Oct 29, 2026First seen

About this paper

Timestral is a family of time series foundation models that achieves state-of-the-art probabilistic forecasting through decoupled horizon forecasting, native future covariate support, and synthetic pretraining followed by mixed post-training.

We introduce Timestral, a family of four time series foundation models for probabilistic forecasting, with 5M, 28M, 123M, and 209M parameters. Timestral sets a new state of the art on GIFT-Eval, TIME, and fev-bench, where Timestral-209M and Timestral-123M take the top two places on every metric. We achieve this with three ingredients: Decoupled Horizon Forecasting (DHF), which separates prediction tokens from the causally encoded context, so that longer horizons are trained without masking context and each observed value is both a forecast target and context for later forecasts; a covariate framework that natively supports known-future covariates within a causal architecture; and a…

probabilistic forecastingtime series foundation modelsDecoupled Horizon Forecastingknown-future covariatessynthetic pretrainingpost-training
Upvotes
8
Authors
356
Published
Oct 27, 2026

Summary and abstract excerpt via Hugging Face Papers ↗ · arXiv.

Trending history

Timestral was first seen on Hugging Face · Daily papers on Oct 29, 2026. Since then it has appeared in 9 checks on 2 different days. Its best position was #19 of 30, reached on Oct 30, 01:28 UTC. It dropped off the list after Oct 30, 01:28 UTC.

Rank history

Position on Hugging Face · Daily papers at every check (lower is better).

#1#11#20#30 09:2813:2817:2821:2801:28 Oct 29, 09:28 UTC · #29Oct 29, 11:28 UTC · #30Oct 29, 13:28 UTC · #29Oct 29, 15:28 UTC · #27Oct 29, 17:28 UTC · #28Oct 29, 19:28 UTC · #24Oct 29, 21:28 UTC · #23Oct 29, 23:28 UTC · #22Oct 30, 01:28 UTC · #19

Last 14 days

Best rank per day (UTC).

Oct 26today

Metric history

Platform metric as reported by Hugging Face.

04711 09:2813:2817:2821:2801:28 Oct 29, 09:28 UTC · 7Oct 29, 11:28 UTC · 7Oct 29, 13:28 UTC · 8Oct 29, 15:28 UTC · 9Oct 29, 17:28 UTC · 9Oct 29, 19:28 UTC · 11Oct 29, 21:28 UTC · 11Oct 29, 23:28 UTC · 11Oct 30, 01:28 UTC · 11

Questions

Is Timestral trending on HF Daily Papers right now?

Not at the moment. It was last on the list on Oct 30, 01:28 UTC, after 2 days of trending.

What is the highest rank Timestral reached?

#19 on Hugging Face · Daily papers, on Oct 30, 01:28 UTC. Trendoday checks this list every 120 minutes.

How long has Timestral been trending?

It was first seen on Oct 29, 2026 and has been on the list on 2 days (9 checks) since.