The Arena
Google exodus — Jeff Dean founds Discovery Loop
Google's top AI brain walks out to automate research itself, Washington's safety-review rules pick winners, and Meta and Mistral both ship new model-tool pairs — a day where the frontier moved on three fronts at once. Jeff Dean, Google's chief scientist and 30th employee, is leaving after 27 years to co-found Discovery Loop, a public benefit corporation that aims to automate the scientific research loop.
