Author

Jinho D. Choi

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Jul 2026

What Models Express, Suppress, and Resist: Auditing Open-Weight LLMs with Persona Vectors

This work presents the first systematic application of persona vectors at this scale, compiling a 53-trait inventory across four behaviorally distinct domains and labeling every trait in two open-weight models as natural, steerable latent but amplifiable, or intractable (resistant to standard extraction).

W. Zeng, Ali Emami, Jinho D. Choi · arXiv.org · 0 citations