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metr.claude_opus_4_6_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
8f73b56b304346551.2 h (27.0170)grade A, evidence tier 12026-02-052026-09-101reportedapiapproved2026-09-10T00:51:13.090038Z200aae31902b051source page
Raw snippets and dispute text
  • 8f73b56b30434655 {"claude_opus_4_6_inspect": {"p80_horizon_length": {"ci_high": 170.437873, "ci_low": 27.026521, "estimate": 69.874587}, "release_date": "2026-02-05"}}