Checked fact 42708 Nov 2026Research

METR defines the task-completion time horizon as the task duration, measured by human expert completion time, at which an AI agent is predicted to succeed with a given level of reliability.

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The task-completion time horizon is the task duration (measured by human expert completion time) at which an AI agent is predicted to succeed with a given level of reliability.

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

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Task-completion time horizons of frontier AI models
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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“METR defines the task-completion time horizon as the task duration, measured by human expert completion time, at which an AI agent is predicted to succeed with a given level of reliability.” ai notis, checked 8 Nov 2026. Source: Task-completion time horizons of frontier AI models (METR). https://ainotis.com/c/4270

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ai notis. (2026, November 8). METR defines the task-completion time horizon as the task duration, measured by human expert completion time, at which an AI agent is predicted to succeed with a given level of reliability [Checked claim 4270]. ai notis. https://ainotis.com/c/4270

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