Fine-tuning on character stories implants quirks, enabling model self-perception probes

OwainEvans_UK · x · 2026-09-16

Neel Nanda highlighted a paper showing that fine-tuning models on stories about assistant-like characters makes them acquire those characters' quirks. This enables psychological profiling of how the model perceives the assistant persona — and can be used to transmit misalignment, with direct safety-research implications. Author Owain Evans welcomed follow-ups from Nanda's scholars.

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