The agent does not just output an answer; it evaluates its own work.
The crown jewel of the new PDF. Instead of a single agent looping infinitely, you create a Planner agent (LLM-based) that creates a DAG (Directed Acyclic Graph) of tasks, then dispatches Worker agents to execute them in parallel.
Example from the PDF: "Research 10 competitors, summarize their pricing, draft an email proposal."
From Chatbots to Agents
To understand Agentic AI, you must first understand what it is replacing.
The Definition: An AI Agent is a system capable of perceiving its environment, reasoning about goals, and taking actions to achieve those goals autonomously.