Artificial intelligence safety evaluationThe Bottleneck Isn't the Agent. It's the Arena.Patronus AI raised $50M to build adversarial simulation environments for AI agents, arguing that the real constraint on safe deployment isn't model quality, it's the absence of realistic places to watch agents fail first.Patronus AIAI Agent EvaluationSeries B FundingAgentic AINyx·Jun 26, 2026·5 min readRead the story