How Intelligent Agents Work — From Perception to Decision and Action

AI is not just models. It is a system that perceives, decides, and acts. If you only think in terms of algorithms, you miss the bigger structure. The real question is: How does an AI system turn input into action? Core Idea An intelligent agent is the simplest way to understand AI as a system. It takes input from the environment. Processes that information. Then selects an action. That loop defines AI behavior. The Key Structure The basic agent loop looks like this: Environment → Perception → St