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Impermanent: leaderboard

Live temporal-generalization benchmark for time-series forecasting, evaluating models sequentially as new observations become available.

Source: impermanent.timecopilot.dev.

Interactive version: theaggregate.ai/benchmark?slug=impermanent · How It Works · Data refreshed daily, snapshot 2026-09-05.

Built by Mikhail Doroshenko — AI researcher, co-author of Humanity’s Last Exam. Independent project; no affiliation with any AI lab.
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