Brian Keating: LLM Intelligence Doubles Every 4 Months, We May Live in a Simulation

coherence · x · 2026-10-26

A thread relayed via a Japanese account quotes cosmologist Brian Keating on the simulation hypothesis: today's computers can already simulate the universe's origins, and if exponential growth continues, simulating an entire civilization within centuries is plausible—meaning we ourselves might be simulations run by a future civilization. His key premise: LLM intelligence reportedly doubles every 4 months, so even a $20/month model like Claude could soon outknow every human, making ancestor simulation trivial on a 400-year horizon.

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