100+ Open Problems, 25 Fields Medalists, and a New Math Advisory Group at Princeton

The OpenAI math story escalated over the weekend: beyond Navier-Stokes, a new internal model has claimed more than one hundred resolved open problems and substantial progress on a second Millennium Prize. Twenty-five Fields Medal winners issued a formal declaration calling the AI benchmark race a misalignment with mathematical values — and OpenAI responded by forming an independent advisory group of nine top mathematicians at the Institute for Advanced Study. Plus: Anthropic's IPO marketing window is now open.