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Chinese State Censorship Data Found in US LLM Training Sets

·2026.08.15 06:52

Key point

Research reveals that Chinese state-censored media is included in the training data of US LLMs.

Details

According to a paper published in Nature, media content edited and managed by the Chinese state has been confirmed to be included in the training datasets of US LLMs.

Reports from Meta and the Oversight Board also support these findings. The study indicates that the tested LLMs were more than twice as likely to refuse requests criticizing oppressive leaders or governments compared to general cases.

This suggests that censored content from specific countries included in training data can directly impact model political bias and restrictions on freedom of expression.

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