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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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
- R1Away 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