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)
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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 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.…
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