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AI 101 · How AI systems are built

What is an AI agent?

A model given tools and a goal, allowed to decide which tools to use and in what order, looping until it thinks it is finished.

Also called agent, agentic AI.

In one sentence

A model given tools and a goal, allowed to decide which tools to use and in what order, looping until it thinks it is finished.

Why it matters to a business

The step change is that it acts rather than answers. That is also the risk: an agent with write access can do real damage quickly, so the interesting questions are what it can reach and who approves what.

Real examples

  • Claude Code
  • Cursor
  • GitHub Copilot Agent

Agent vs LLM

A language model answers. An agent acts. The agent is the model plus tools, a goal, and permission to keep going until it decides it is finished. All the interesting risk lives in that last part.

What is a large language model (LLM)?
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Every term here was explained to us once, too. Asking is how you learn it.

Quick answers

AI agent, in questions

The same answer, in the shape people ask it.

What is an AI agent?

A model given tools and a goal, allowed to decide which tools to use and in what order, looping until it thinks it is finished.

Why does AI agent matter to a business?

The step change is that it acts rather than answers. That is also the risk: an agent with write access can do real damage quickly, so the interesting questions are what it can reach and who approves what.

What are examples of AI agent?

Claude Code, Cursor, GitHub Copilot Agent.

Agent vs LLM: what is the difference?

A language model answers. An agent acts. The agent is the model plus tools, a goal, and permission to keep going until it decides it is finished. All the interesting risk lives in that last part.

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Wondering what this means for your organization?

Thirty minutes, no slides, no jargon. We will tell you which of this applies to you, and which is noise.