AI Agent Architecture — ReAct, Memory, Planning and Multi-Agent Systems · AI Agent — Architecture, Not a Chatbot
From Chatbot to Agent — Architectural Difference
AI Agent — Architecture, Not a Chatbot
Introduction
A chatbot is an interface. An agent is an architecture. This lesson precisely defines what separates an AI agent from a plain language model behind a chat: a closed observe→act loop, external memory, tools, and multi-step planning. We analyse these differences at the data-flow level, not through marketing slogans.