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The machine-learning system ChatGPT has a remarkable capacity to generate sophisticated and intelligible text, with far-reaching implications for research development and dissemination (see Nature614, 214–216 (2023); Eva A. M. van Dis et al. Nature614, 224–226; 2023). However, current debate over the technology focuses on users’ experiences in English. I asked ChatGPT a set of neuroscience questions in English; when I asked for answers to the same set in French and Arabic, the results were surprising.