What Jeff Dean thinks about AI and science

@jeff-dean · 22 positions · On ppll ↗

Chief Scientist at Google DeepMind and Google Research, at Google since 1999, where he co-created MapReduce, Bigtable, TensorFlow and the TPU.

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Only Jeff Dean on AI and science. See everyone on AI and science

1 dated position, 2026, in their own words. Our reading of what Jeff Dean has said — not written or endorsed by them.

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1. 30 Jul 2026

   Our readingLearned approximations of slow simulators change what science is possible, by turning a six-month screening run into something you do over lunch.

   Their wordsAnd I think there's a lot of room in a lot of domains for much faster validation models, possibly learned valu validation models that can uh you know get you a a approximation to the true answer much much more rapidly. And that changes how those experimental loops can be thought of and how quickly you can go around those loops.

   ↗Jeff Dean: The 1% Rule for Building in AIyoutube.com 20th of 22 in this recording