METR publishes its first independent assessment of AI R&D acceleration at Anthropic

November 5, 2026

METR estimated that Anthropic's capability gains on well-specified tasks have run about 1.9 times faster since October 2025 (95 percent interval 1.5 to 2.8), drawing on three unreleased models finished between July and October 2026. Anthropic redacted most of the evidence METR found most informative.

METR Anthropic

Sources

METR

Report · Nov 5, 2026

Independent Assessment of AI R&D Acceleration at Anthropic in October 2026

Additional sources

Let's Data Science

News · Nov 5, 2026

METR Estimates Anthropic's AI Capability Progress Has Roughly Doubled in Pace

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