Safety and alignment

Anthropic open-sources Petri for automated alignment audits

Anthropic released Petri to automate broad alignment audits; it was already used in Claude system cards and UK AISI testing, and later became part of every Claude alignment assessment from Sonnet 4.5 onward.

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CURRENT ASSESSMENT · REVISION 1
AWAY FROM DOOM40confidence 90/100

Why it moved the index

An open, operational auditing framework already used by a frontier lab and a national evaluator directly expands practical capacity to detect deception, self-preservation, power-seeking, and reward hacking before deployment.

AUDIT TRAIL

Assessment history

  1. R1
    Away 40 · confidence 90

    Adds previously missing primary-source evidence of a safety tool with separately verified practical adoption in frontier-lab and government evaluations.

    14 Aug 2026