METR says Anthropic's AI capability growth rate has roughly doubled

METR, the nonprofit evaluator founded by former OpenAI researcher Beth Barnes, said in a thread on X on November 5th that Anthropic's AI capability growth on well-specified tasks was likely about twice as fast as of October 2026 as it was from March 2024 to October 2025. METR said AI used inside Anthropic's own research was likely driving a majority of that acceleration, a claim that, if accurate, shifts capability timelines, safety evaluation capacity and the return on compute spending.

METR says Anthropic's AI capability growth rate has roughly doubled The nonprofit estimates growth on well-specified tasks was about twice its March 2024 to October 2025 pace, and says AI likely drove most of the acceleration. By Ryan Merket https://runtimewire.com/author/ryan-merket · Published · Updated Primary source: x.com https://x.com/METR Evals/status/2118412183860351084 Why it matters If AI is now the main driver of faster AI development at a frontier lab, capability timelines, safety evaluation capacity and the return on compute spending all shift. METR's estimate gives outsiders a quantified claim to test. METR, the nonprofit evaluator founded by former OpenAI researcher Beth Barnes, said in a thread on X https://x.com/METR Evals/status/2118412183860351084?ref=runtimewire on November 5th that Anthropic's AI capability growth on well-specified tasks was likely about twice as fast as of October 2026 as it was from March 2024 to October 2025. METR said AI used inside Anthropic's own research was likely driving a majority of that acceleration.… When you purchase through links in our articles, we may earn a small commission https://runtimewire.com/affiliate-monetization-standards . This doesn’t affect our editorial independence.