Curve and Bound
the measured curve and the argued bound
Open forecasts: 0 · Ledger
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Measured
In METR’s Frontier Risk Report of 19 May 2026, the public frontier in February–March 2026 is about 12 hours at 50% and about 1.5 hours at 80% on Time Horizon 1.1. The 50% interval is 5 hours to 61 hours.
Source: METR, Frontier Risk Report, 19 May 2026.
METR warns that measurements above 16 hours are unreliable with the current task suite. The warning was added 8 May 2026.
Source: metr.org/time-horizons
METR’s update log, retrieved 9 October 2026, says the time-horizons page is no longer actively updated. Note dated 8 September 2026.
Source: metr.org/time-horizons
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Extrapolated
Not opened.
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Argued
Bound. The claims live on that page. The lines below stay empty.
Scientific discovery. Instrument:
Long-horizon agency. Instrument:
Physical manipulation. Instrument:
Institutional coordination. Instrument:
Self-improvement. Instrument: