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ControlArena: the monitored model could shape its monitor’s prompt

This story is from 2026-10-28. It is preserved in the archive; the latest stories are on the live feed.

In AI control experiments, a trusted monitor reads what an untrusted model did and scores how suspicious it looks. That score means something only if the untrusted model cannot change the structure of the prompt the monitor reads. In March 2026 I found that it could in ControlArena , the UK AI Secu…

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  1. 2026-10-28 13:30 · DEV Community — AI
    ControlArena: the monitored model could shape its monitor’s prompt

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