Science & math
Lean 4 disproof of the Köthe conjecture
In an Epoch AI eval, a pre-release GPT-6 Astra autonomously wrote a Lean 4 counterexample. Challenge/Solution, Comparator config, and CI are in the repo.
Science & math / GPT-6 Astra

每个场景一个自包含 HTML;单轮且不修改。 平台报告 Astra 25159 token、1.67 美元,Fable 37767 token、2.51 美元。 平台自营同题评测,成本与无修改声明未独立复现。
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