The rapid rise of urbanization in the twenty-first century requires urgent actions from the world’s cities to come up with effective and sustainable ways to manage resources, infrastructure, and services. Smart city is the product of modern technology such as AI, G-IoT to maximize the urban life function. AI and G-IoT are collaborating to provide the foundation for developing sustainable and smart urban systems due to their capability of handling large data volumes and efficiently operating energy-saving IoT systems.