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metr.claude_opus_4_5_inspect.horizon_80.pt

Source: METR time horizons (v1.1) (METR) · METR; analysis code MIT at https://github.com/METR/eval-analysis-public · CSV

METR, Measuring AI Ability to Complete Long Tasks (Horizon v1.1)

idvaluegradeas of datepublished datetieraudited vs reportedextraction methodreview statusretrieved athttp statuscontent hashsupersedes idurlflags
75c93027341be6a549.4 min (20.7105)grade A, evidence tier 12025-11-242026-09-101reportedapiapproved2026-09-10T00:51:13.090038Z200aae31902b051source page
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  • 75c93027341be6a5 {"claude_opus_4_5_inspect": {"p80_horizon_length": {"ci_high": 104.641318, "ci_low": 20.660485, "estimate": 49.430584}, "release_date": "2025-11-24"}}