People keep talking about agent loops because they make an AI agent actually do useful work instead of just sounding smart. Without a loop, a model answers a question and stops. With a loop, it can keep going: analyze the task, take action, inspect the result, and decide what to do next.
Source: [Dev.to](https://dev.to/rish_poddar/what-is-an-agent-loop-how-ai-agents-reason-act-and-iterate-1675)