Glossary
/// Definition
AI agent
An AI agent is an LLM system that can autonomously plan and execute multi-step tasks using tools.
In depth
An AI agent wraps an LLM with a tool-use loop, memory and planning. The model decides which tool to call, executes it, ingests the result and decides the next action. Modern agent frameworks include LangGraph, Claude's tool-use API and OpenAI's Assistants.