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Frontier AI models Astra and Opus have reportedly finished codebreaking work originally undertaken by Alan Turing during World War II, an accomplishment described as passing one of Turing's 'other' historical tests. The achievement demonstrates advanced reasoning and pattern-recognition capabilities in current AI systems. The milestone adds to a string of recent demonstrations of AI capability in specialized technical domains, feeding ongoing debate about how quickly frontier models are matching or surpassing historically significant human intellectual achievements.