GPT-6 Astra helps solve FrontierMath's first Major Advance problem

Haider. @haider1Originally posted 2026.09.19

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FrontierMath's first "Major Advance" problem has been solved GPT-6 Astra helped resolve a major open problem that had been open since 2017 -- but more importantly, Astra didn't find the counterexample; it proved one cannot exist and developed the core machinery to show why

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