LLM-based inference recovers user age, gender, and country from filtered ChatGPT logs at weighted F1 scores of 0.84-0.90, with median identification from the first 5% of history, driven by stereotype patterns.
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Inferential Privacy Leakage in Anonymized Conversational AI Logs
LLM-based inference recovers user age, gender, and country from filtered ChatGPT logs at weighted F1 scores of 0.84-0.90, with median identification from the first 5% of history, driven by stereotype patterns.