An AI agent is a software system that uses one or more models to pursue a goal through multiple steps. It may use tools to search, read files, call applications, or perform other permitted actions. A model answering one question is not necessarily an agent: the distinguishing feature is the system\u2019s ability to choose and carry out steps toward a task within defined limits.<\/p>\n
The agent receives a goal, instructions, and permissions. It examines available information, decides whether a tool is needed, uses that tool, checks the result, and either continues, stops, or asks a person for help. The model helps make decisions; the tools allow the system to retrieve information or act on another service.<\/p>\n
Suppose an agent is asked to summarize three documents. It can open the files, extract relevant passages, compare them, and draft a summary with references. If it must send that summary or change records, its permissions and any required human approval should be specified before the action.<\/p>\n
A chatbot may answer a single message directly. An agent manages a sequence of decisions and tool calls to achieve a goal. However, vendors use the word \u201cagent\u201d differently, so assess what the system actually does rather than relying on its label.<\/p>\n
An agent can misunderstand a goal, choose the wrong tool, or misinterpret a result. Its access may affect real files and services. Limited permissions, output checks, and human review before consequential actions help contain these risks.<\/p>\n
An agent is not necessarily a new model. It is a system that combines a model, instructions, and tools to complete multi-step work under clear controls.<\/p>\n
Sources: OpenAI: A practical guide to building agents<\/a>, Google Cloud: What are AI agents?<\/a>, and OpenAI: Governing agentic AI systems<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" What is an AI agent? Learn how agents use models and tools to complete multi-step tasks, how they differ from chatbots, and why permissions and human review matter.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","ai_topic":[421],"class_list":["post-1596","ai_term","type-ai_term","status-publish","hentry","ai_topic-ai-agents"],"ai_facts":{"official_name":"AI agent","short_definition":"A software system that uses a model, instructions, and tools to pursue a goal through multiple steps within defined permissions.","official_url":"","status":"Active","last_verified":"2026-09-16","developer":0,"capabilities":[]},"yoast_head":"\n