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What changed in AI, one story at a time. Each one links to its primary source, and facts stay apart from interpretation.

Last updated

Thursday, October 8UTC

  1. New
    ArenaAlignment IndexPolicy & Trust

    Arena previews an agent alignment index based on real user sessions

    Arena introduced an Alignment Index preview that compares 27 models on unauthorized actions, false attribution and claims of completed work that the session evidence contradicts. Arena says it analyzed 90,000 agent sessions with model judging and human review. The measures cover only selected observable failures, so the scores should not be treated as a complete safety ranking.

    Arena1 source

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