A 696-upvote thread claiming Anthropic solved a Millennium Prize problem traces back to one person's prediction

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r/singularity spent the day on a claim that Anthropic has solved Navier-Stokes and has it out for expert review ahead of the IPO. The source is a self-described prediction by Andrew Curran on X, not an announcement, and the highest-voted reply is a flat statement of doubt at 272 upvotes. Anthropic's actual published math results this cycle are the FLT formalization and the August Riemann zeta zero-density bound moving from 41.6% to 67.2%, neither of which is a Millennium Prize solution, so treat this one as unverified until a paper exists.