OpenAI models' P50 time horizon reaches 4.7 hours

Data cited by scaling01 shows OpenAI models' P50 time horizon reached 4.7 hours as of July 2026, continuing month-over-month growth and exceeding METR's usual measurement approach.

2026-09-06 ~ 2026-09-06 · 3 related posts

• OpenAI P50 time horizon hits 4.7 hours as of July 2026 — scaling01 · 2026-09-06
• OpenAI models hit 4.7-hour P50 time horizons as of July 2026 — scaling01 · 2026-09-06
• OpenAI P50 time horizon hits 4.7 hours as of July 2026, beyond usual METR methodology — scaling01 · 2026-09-06