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Patronus AI develops AI evaluation tools, simulation research, and digital world models.
Patronus AI develops simulation research and infrastructure for AI systems, including Digital World Models that model agent actions across digital workflows. Its products include the Lynx hallucination detection model and datasets for evaluating agents. Founded in 2023 and based in the US, it was co-founded by Matthew Wu and Rebecca Qian. In June 2026, it raised USD 50 million in Series B funding led by Greenfield Partners, with Samsung NEXT Ventures, Factorial Capital, Notable Capital, Lightspeed Venture Partners, and Datadog, Inc. participating.
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