Patronus AI, which builds simulated digital environments for evaluating AI agents, raised a $50M Series B led by Greenfield, bringing its total funding to $70M (Marina Temkin/TechCrunch)

<a href="https://techcrunch.com/2026/06/25/patronus-ai-lands-50m-to-build-digital-worlds-that-stress-test-ai-agents/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260625/i51.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260625/p51#a260625p51" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Marina Temkin / <a href="http://techcrunch.com/">TechCrunch</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://techcrunch.com/2026/06/25/patronus-ai-lands-50m-to-build-digital-worlds-that-stress-test-ai-agents/">Patronus AI, which builds simulated digital environments for evaluating AI agents, raised a $50M Series B led by Greenfield, bringing its total funding to $70M</a></b></span>&nbsp; &mdash;&nbsp; AI agents are becoming more sophisticated.&nbsp; They are evolving from answering questions to autonomously executing multi-step complex tasks.</p>