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OpenAI Claims It Solved a 90-Year-Old Maths Problem, But Not Everyone Is Convinced

9 September 2026
OpenAI Claims It Solved a 90-Year-Old Maths Problem, But Not Everyone Is Convinced
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OpenAI Claims It Solved a 90-Year-Old Maths Problem, But Not Everyone Is Convinced

OpenAI has dropped what might be the most audacious claim in the company's history: that it has found a solution to the Navier-Stokes problem, one of the seven Millennium Prize Problems in mathematics and one that has resisted every serious attempt at a solution for roughly 90 years. The announcement, first reported by The New York Times and Wired before OpenAI published a blog post on Tuesday, has sent the maths and AI communities into a genuine frenzy. And not entirely in the way OpenAI might have hoped.

Key Takeaways

  • OpenAI claims to have solved the Navier-Stokes existence and smoothness problem, one of seven Millennium Prize Problems each worth one million dollars
  • The result was announced via blog post before any peer review, drawing criticism from the formal mathematics community
  • The Clay Mathematics Institute has not commented or indicated any prize will be awarded
  • If independently verified, this would be one of the most significant scientific achievements of the 21st century

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