Ramez Naam: METR time-horizon and exponential models don't match OpenAI and GDM empirical data

clarejtbirch · x · 2026-11-12

Ramez Naam voices frustration that AI theory models — synthetic benchmarks like METR's time horizon and claims like 'ECI is exponential' — diverge dramatically from the best empirical data. Actual time horizons at OpenAI and GDM are much shorter, and OpenAI's don't appear to be rising exponentially. He concedes the real-world data is limited and argues for pressing for more granular, frequently updated evidence: if your models don't update on the evidence, why trust them?

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