At its core, Azure is a public cloud computing platform—it is Infrastructure as a Service (IaaS) and Platform as a Service (PaaS) that can be used for services such as analytics, virtual computing, storage, networking, and much more. It can be used to replace or supplement your on-premise servers.
Azure - Artificial Intelligence
Build mission-critical solutions that can analyze images, comprehend speech, make predictions using data, and imitate other intelligent human behaviors—all using Azure AI. Only Azure AI gives you the combined ability to: Develop AI solutions on your terms. Build AI into mission-critical applications.