Quantum computers—devices that process information using quantum mechanical effects—have long been expected to outperform classical systems on certain tasks. Over the past few decades, researchers ...

In a Comment, Chen et al. argue that success in behavioural tests — including variants of the Turing test — is evidence of artificial general intelligence (AGI; see E. K. Chen et al. Nature 650, 36–40 ...

The evidence is solid but not definitive, as the conclusions rely on the absence of changes in spatial breadth and would benefit from clearer statistical justification and a more cautious ...

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