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The Xena Project post names a 13-million-line AI formalization of Fermat's Last Theorem and a sphere-packing attempt as adding little lasting value, while Mathlib's 950 contributors and 65 reviewers keep the quality bar.
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PhD students are now expected to pay $200 a month for access to models like Sol and Fable — Harvard already comps the subscription for every student, postdoc and faculty member in its math department.
Not everyone in the thread is impressed: one commenter dug into the Jacobian conjecture's citation history and found mathematicians had already bounded the search space by 1983 — the AI didn't discover new territory, it just finally searched it.