Generative AI (GenAI) is revolutionizing last-mile delivery in urban logistics by predicting demand, optimizing routes in real-time, and improving fleet management efficiency. This technology leverages data analytics to anticipate delivery needs, reduce delays, and lower operational costs, while also enhancing sustainability through reduced emissions and optimized resource use. GenAI's integration enables autonomous vehicles to navigate urban environments more effectively, enhancing delivery speed and accuracy. Overall, GenAI transforms urban logistics by streamlining processes, improving customer satisfaction with real-time tracking, and positioning cities for more efficient and environmentally friendly logistics operations.