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arXiv cs.CLPaper

Model Hypnosis: Strong control of AI via additive subliminal effects

This is a meaningful safety concern. The paper shows that weak, inconspicuous prompting choices compound to override stated instructions or guidelines, and the effect generalizes across models including frontier reasoners. It's distinct from known prompt-injection because the model isn't being explicitly misled, just nudged by accumulated micropatterns. For builders: if you're relying on instruction-following or guard rails, this suggests your behavioral guarantees may be less robust than you think. This is now a must-audit vector.