Fact-check: Clay has not declared Navier–Stokes solved; prize review has strict rules

burny_tech · x · 2026-10-14

Pushing back on claims that "Clay says Navier–Stokes has apparently been settled," the author clarifies this is false: Clay's website still lists the problem as active, with no declaration that it is solved. Clay's September statement only said "the process is deliberately unhurried, but we will provide updates" — no updates since.

Per the prize rules, the proof must first be published in a refereed qualifying outlet; the OpenAI proof has been neither refereed nor published. Even after publication, the award can only be granted two years later under the rules. Context: a Fields Medallist at OpenAI, Jacob Tsimerman, had argued mathematicians are underplaying that AI solved a Millennium Prize problem.

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