Indicators / series
metr.claude_4_opus_inspect.horizon_50.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)
| id | value | grade | as of date | published date | tier | audited vs reported | extraction method | review status | retrieved at | http status | content hash | supersedes id | url | flags |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6af93ac0d37ce9a2 | 1.7 h (60.0–163) | grade A, evidence tier 1 | 2025-05-22 | 2026-09-10 | 1 | reported | api | approved | 2026-09-10T00:51:13.090038Z | 200 | aae31902b051 | — | source page |
Raw snippets and dispute text
- 6af93ac0d37ce9a2 {"claude_4_opus_inspect": {"p50_horizon_length": {"ci_high": 163.454074, "ci_low": 59.994073, "estimate": 100.366123}, "release_date": "2025-05-22"}}