Published May 7, 2026 ยท Added May 11, 2026

Donating our open-source alignment tool

Anthropic updated Petri to version 3.0 and donated the open source AI alignment testing tool to Meridian Labs, an independent evaluation nonprofit, positioning it as neutral infrastructure for model behavior testing.

Anthropic updated Petri to version 3.0 and donated the open source AI alignment testing tool to Meridian Labs, an independent evaluation nonprofit, positioning it as neutral infrastructure for model behavior testing.

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Source: Anthropic