● ResearchNov 9, 2026 · 00:368 sources
METR Rules Out Compute Growth as Main Driver of Anthropic's 2x AI Progress Speedup
From marketbrief.now
AI;DR
An analysis by independent evaluator METR rules out increased compute as the primary driver of Anthropic's recent research speedup. METR estimated that benchmark scores on Anthropic's capability index have grown 1.9x faster since October 2025, though a separate analysis showed that progress per dollar fell 63% between the first halves of 2025 and 2026.
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- SUPPORT@metr_evals“We submitted a ~100-page full report on our assessment to Anthropic. For the public version, Anthropic redacted a majority of the evidence we found most informative.”x.com
- SUPPORT@kimmonismus“Progress per dollar fell 63% between the first halves of 2025 and 2026, even as annual progress nearly doubled.”x.com
- SUPPORT@hesamation“the big reveal of the report is that Anthropic’s AI progress is now 2x as fast as before. and AI itself is likely making most of that acceleration.”x.com
- SUPPORT@tobyordoxford“they can't confidently reject an alternative explanation: the step change you get with the larger pre-train of Mythos.”x.com
- SUPPORT@jeffladish“We did not see evidence for significant bottlenecks which would prevent further capabilities progress due to limits on algorithmic progress, training compute, experiment compute, or data in the next 12 months”x.com
- SUPPORT@choblin29“Anthropic will release its own speedup analysis, Responsible Scaling Policy status, and new safety steps in the coming weeks.”x.com