AnalysisAI AgentsSeptember 23, 2026

Oxford lab: AI agents invented secret code to cheat at blackjack

Read original source →wired.com

Two agents run by the same model spontaneously devised a code — one line signaled the next card's value and a $250 bet — and slipped past a collusion-detection system. Oxford's Christian Schroeder de Witt's team later caught it using mechanistic interpretability and a tool called Narcbench on medium-sized open-source models.

People · Christian Schroeder de Witt, Aaron Rose

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