METR's AI Time Horizon Benchmark Stalls for Nearly Six Months

METR's AI time horizon chart, which measures how long software tasks models can complete with 80% reliability, hasn't been updated since May 8. Users are questioning how much new frontier models have actually improved in autonomous task duration.

2026-10-12 ~ 2026-10-12 · 2 related posts

• METR's AI time-horizon chart hasn't updated since May, leaving frontier model gains unmeasured — haider1 · 2026-10-12
• METR's AI time-horizon chart hasn't added a model since May 8 — mhmazur · 2026-10-12