Report: Anthropic's Next Model Finished Training, Tops All METR Benchmarks

A leaked METR private evaluation suggests Anthropic has completed training a unreleased model (codename Model 4) that scored highest among all models METR has analyzed, exceeding 50% on all 15 benchmarks, with release expected early next year.

2026-11-06 ~ 2026-11-06 · 2 related posts

• Anthropic's next model reportedly finished training; METR eval shows biggest step-change — daniel_mac8 · 2026-11-06
• Anthropic's unreleased "Model 4" clears 50% on all 15 METR benchmarks — 141_1337 · 2026-11-06