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Context Arena: leaderboard

Long-context benchmark leaderboard for multi-needle retrieval and reasoning across increasing context lengths.

Source: contextbench.ai.

Interactive version: theaggregate.ai/benchmark?slug=context-arena · 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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