EchoTwin AI is transforming urban management through AI-driven infrastructure intelligence. Utilizing a proprietary visual intelligence engine with comprehensive spatial reasoning, EchoTwin enhances municipal fleets into mobile urban sensors, creating digital twins that deliver real-time insights into infrastructure, compliance, and safety. By facilitating proactive monitoring and prediction of urban challenges, EchoTwin contributes to the development of resilient and sustainable cities, advancing beyond traditional smart city concepts towards cognizant urban environments capable of dynamic response and adaptation.