Checked fact 42798 Nov 2026Research

The METR paper reports that o3 has a 50% time horizon of around 110 minutes.

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The exact words it rests on

On these tasks, current frontier AI models such as o3 have a 50% time horizon of around 110 minutes.

What the source said when we opened it, on 8 Nov 2026.

The source

Measuring AI Ability to Complete Long Tasks (arXiv 2503.14499v3)
METR

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Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

How METR's time horizon rates AI agents by human task length 8 Nov 2026

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“The METR paper reports that o3 has a 50% time horizon of around 110 minutes.” ai notis, checked 8 Nov 2026. Source: Measuring AI Ability to Complete Long Tasks (arXiv 2503.14499v3) (METR). https://ainotis.com/c/4279

As a reference (APA style)

ai notis. (2026, November 8). The METR paper reports that o3 has a 50% time horizon of around 110 minutes [Checked claim 4279]. ai notis. https://ainotis.com/c/4279

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