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Anthropic Millennium-Problem Rumor Spreads, Tao Pushes Back

A rumor that Anthropic solved the Navier-Stokes millennium problem went viral in AI circles, until Terence Tao publicly denied the speculation.

2026-09-05 ~ 2026-09-06 · 2 episodes · 7 posts

Episode 1 · Rumor: Anthropic Model May Have Solved the Navier-Stokes Millennium Problem (2026-09-05, 5 posts)

Rumors are circulating that an Anthropic model has solved the Navier-Stokes equations, one of the Millennium Prize Problems. Completely unconfirmed by any official source, the claim has spread rapidly through AI and math circles and is being viewed as a potential watershed moment for AI's capacity for original scientific research.

Confirmed

  • The rumor traces to insider Elliot (mathematician Elliot Glazer), who has a strong track record of predicting frontier AI math capabilities; his judgment is based on signals around Anthropic's math models. Andrew Curran further predicted a paper is in expert review and bet the company will announce before its IPO.
  • Terence Tao has been asked about the rumor and responded; accounts like @Hesamation reshared it, saying the rumor is 'getting more interesting.'
  • Anthropic has issued no official confirmation or denial.

Unconfirmed

  • Whether an Anthropic model (possibly Claude) actually solved the Navier-Stokes existence and smoothness problem.
  • Whether the paper actually exists, whether it has passed expert review, and the timing of any official announcement.

Why it matters

  • The Navier-Stokes equations are one of the seven Millennium Prize Problems and remain unsolved; if AI cracked it and the proof withstands expert scrutiny, it would be the strongest demonstration yet of model capability.
  • A question posed by kimmonismus became a focal point of discussion: where did the core idea come from, how much guidance did Claude need, and can the approach generalize to other problems—this determines whether it counts as 'AI-original research' or 'assisted verification.'
  • Some users appealed directly to Anthropic: if solved, just publish it—it's the best marketing opportunity possible; a sign of the AI community's expectations for, and anxiety about verifying, major original scientific breakthroughs.

Episode 2 · Rumor Claims Anthropic Solved a Millennium Prize Problem; Tao Responds (2026-09-05, 2 posts)

Rumors spread on X that Anthropic had solved a Millennium Prize problem. Mathematician Terence Tao responded by denying his earlier post hinted that an AI lab had constructed a Navier-Stokes blowup solution, though the episode sparked wide debate in the AI community.