Study: LLMs show clear cultural bias toward Japan, not just the West

JeremyNguyenPhD · x · 2026-10-30

A study from the University of the Basque Country and Cardiff University ("Why are all LLMs Obsessed with Japanese Culture?") challenges the assumption that AI is purely Western-biased. Using the CROQ dataset of open culture questions, the authors find LLMs display a clear tendency toward countries like Japan. Higher-resource prompt languages yield more diverse answers, and the bias emerges after supervised fine-tuning rather than during pre-training.

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