What is an AI agent? And how is it different from a chatbot?

Nick van der Falk — AI expert for mid-sized companies
· AI expert for mid-sized companies
6 min read · Updated August 2026
Team discussing an automated workflow diagram on a glass wall
Team discussing an automated workflow diagram on a glass wall
On this page
  1. 01The four words, sorted
  2. 02What 'acting' means in practice
  3. 03A worked example
  4. 04Why narrow agents beat one big brain
  5. 05What you should ask a vendor

"Agent" is the most abused word in business software right now. Every vendor uses it, most mean a chatbot with a new label.

The distinction is simple and worth knowing before you buy anything: a chatbot answers, an agent acts.

01

The four words, sorted

Here is what the industry means when it is being precise:

TermWhat it really is
ChatbotAnswers questions in a conversation. Does nothing else.
Assistant / copilotHelps a person while they work. The person still does the task.
AgentTakes a goal, plans the steps, uses systems, finishes the task.
AI employeeOne or more agents given a permanent job inside a company.

More on this: What is an AI employee? A plain-language explanation

02

What 'acting' means in practice

An agent has tools. In technical terms these are permissions to call your systems: read the order database, create a draft invoice, send an email, upload a document, book an appointment.

So a quoting agent does not say "here is a suggested price". It looks up the customer, pulls current material prices, applies your margin rules, generates the document, attaches it to the record and puts it in the approval queue. Six steps, no human in between.

More on this: Why 14 AI tools change nothing — and one system changes everything

03

A worked example

A supplier invoice arrives in the shared inbox at 23:40. The agent notices it, reads the PDF, extracts supplier, number, amount, VAT and line items, finds the matching purchase order, compares quantities and prices.

Everything matches: it books the invoice and files it. One line item is 8% over the agreed price: it stops, writes a short note explaining the difference, and puts it in front of a human in the morning. That is agentic behaviour — including knowing when to stop.

Knowing when to escalate is a feature, not a failure. An agent that never asks is an agent you cannot trust.

04

Why narrow agents beat one big brain

It is tempting to want one AI that runs the whole company. In practice that fails: it is impossible to test, impossible to give sensible permissions, and impossible to debug when it goes wrong.

Reliable systems use one agent per domain — finance, quoting, documents, correspondence — each with its own scope, its own data access and its own quality checks. Exactly like departments in a company, and for the same reasons.

05

What you should ask a vendor

Four questions separate real agents from renamed chatbots:

  • What can it do without a human clicking something first?
  • Which of my systems does it read from and write to?
  • Where are the limits, and who approves what?
  • Can I see a log of every action it took last week?

In short

  1. Chatbot: answers questions. Agent: completes a task with several steps.
  2. An agent can use your systems — read, write, send, book — under defined rules.
  3. Good agents are narrow. One job, one domain, clear boundaries.
  4. The value comes from access to your real data, not from the model.
01What you get

How could AI employees be used in your firm or your business?

Describe one process that repeats every week. We show you exactly what an agent would take over, how much time that frees up and where a person stays in control.

After 30 minutes you have

  • A clear yes or no

    Whether your task is suited to an AI employee at all.

  • A real number

    What it roughly costs — and what you realistically save.

  • The first step

    Concrete and doable. Even if it happens without us.

02Who you will speak to
Nick van der Falk — AI expert for mid-sized companies

AI expert for mid-sized companies

„I can help you move the repetitive work in your company over to AI employees.”
03Your next step

Tell us the task that eats the most time

You do not need to know the technology behind it. Just write, in your own words, what costs you the most time.

What happens next

  1. 1

    We review your task

    We check whether an AI employee is worth it for this at all.

  2. 2

    We write back to you

    Usually within one business day — short and without obligation.

  3. 3

    30 minutes of clarity

    What works, what does not, and what your first step would be.

We reply personally, usually within one business day. No sales pressure, no newsletter. Your data goes to no one else.

04Why now

What happens if you do not switch to AI

Your competitors are switching already.

The majority of companies plan to introduce AI in 2026.

That means up to 30% more margin.

Because AI employees take over the recurring tasks.

Costs drop significantly.

AI works around the clock, needs no holidays and no payroll overhead.

More money is left for marketing.

Saved costs flow into advertising — and bring in more customers.

Customers move to the competition.

More ad budget pulls customers away — and leaves less market for you.

Whoever does not adapt is pushed out of the market.

Over the next two to three years AI becomes the standard for mid-sized companies — not an option.

This is not scaremongering — it is already happening in the first industries. And most companies do not fail because they lack the will, but because they do not know how to walk this path. That is exactly what we show you — and implement for you if you want. We create clarity and we deliver.

05Act now

Do not put your decision off until tomorrow

One conversation, 30 minutes, free. Afterwards you know which task in your company suits an AI employee — and what the first step is.

Nick van der Falk
Nick van der FalkAI expert for mid-sized companies
Request your free 30-minute call

No obligation. No lock-in contracts, no sales pressure. Prefer to write? Go to the form

Nick van der Falk — AI expert for mid-sized companies

Frequently asked

Can AI agents be customised for specific business needs?

Yes — that is the point. An agent is defined by your rules, your data and your escalation limits; a generic agent without that context produces confident nonsense.

How do you train an AI agent for your business?

You rarely train a model. You give the agent your process rules, examples of good and bad outcomes, access to your live data, and a review loop where a person corrects it during the first weeks.

How do you build an AI agent for a business process?

Define the trigger, the allowed actions, the data sources and the point where a human must approve. Then connect it to the systems where the work happens and run it in parallel before it acts alone.

Is an AI agent the same as an AI employee?

Almost. An agent is the technical building block. An AI employee is one or more agents given a permanent job, data access and rules inside a specific company.

Do AI agents need my data?

Yes, and that is the point. Without access to your orders, prices and documents an agent can only produce generic text. Access is granted narrowly, per agent, and logged.

Which model do agents use?

Whichever fits the task, and it changes over time. In a well-engineered system the model is a replaceable part — the value sits in the process, the data model and the rules around it.

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