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METR
metr.org
did:plc:dll3hepzq76nymel5c3yt6nk
We estimate that Claude Opus 4.6 has a 50%-time-horizon of around 14.5 hours (95% CI of 6 hrs to 98 hrs) on software tasks. While this is the highest point estimate we’ve reported, this measurement is extremely noisy because our current task suite is nearly saturated.
2026-02-21T00:24:23.854Z