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OpenAI says 10,000 agents solved a Millennium Prize problem

3 sources · 3 articles · capability · confidence: medium · first seen 2026-09-09 03:10 UTC

OpenAI said on Tuesday 8 September that its agents had solved one of the Millennium Prize Problems, the long-unsolved maths questions carrying a $1m reward. The Guardian reports around 10,000 agents were run at an estimated cost of $15m; The Verge's report identifies the problem as Navier–Stokes. The announcement was contested before it landed: MIT Technology Review says accusations overshadowed it, The Verge that something unusual complicated it ahead of a formal announcement, and the Guardian that mathematicians were uneasy at the pace. None of the pieces detail the accusations, and no published proof, independent verification or prize award is reported.

What this means for you

Nothing to act on. There is no model release, no API and no published proof to check; the $15m figure is the Guardian's estimate and the result has not been independently verified. If you work on automated theorem proving, the cost per result is the number to watch.

Key facts

  • ·OpenAI announced on Tuesday 8 September 2026 that its agents had solved one of the Millennium Prize Problems. source
  • ·The Guardian reports roughly 10,000 agents were run on the problem, at an estimated bill of $15m. source
  • ·The Verge's report identifies the problem as Navier–Stokes. source
  • ·Millennium Prize Problems carry a $1m reward and had resisted solution for decades, according to the Guardian. source
  • ·MIT Technology Review reports the announcement was quickly overtaken by accusations, which it does not set out in the excerpt available. source
  • ·The Verge reports the result was complicated by something unusual before it was formally announced. source

What the sources say

  • MIT Technology Review AI — Reports the milestone was overtaken by accusations, and asks what that means for maths.
  • The Verge AI — Notes the result's scale alongside academia's discomfort at how it was obtained and announced.
  • The Guardian AI — Adds cost and headcount detail, and researchers' reaction to how quickly the field is moving.

Sources

The original reporting. Follow these — they did the work.

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