Confused about IaaS, PaaS, SaaS, and the growing list of cloud service models? Cloud computing isn't just limited to the traditional three service models anymore. From FaaS for serverless execution to DBaaS, CaaS, SECaaS, and AIaaS, each model is designed to solve different business and technical challenges. This quick-reference guide compares the most important cloud service models side by side, covering: ✅ Primary focus ✅ What you manage ✅ Key benefits ✅ Real-world examples