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AI agent or simple automation? How to choose

"We want an AI agent" is one of the most common things we hear in intro calls. Sometimes that is exactly right. Often, a simpler automation solves the problem faster, cheaper and more reliably. Here is how we decide.

Start with the input, not the technology

Look at what goes into the process:

  • Structured and predictable (a form, a webhook, a row in a spreadsheet): use a classic automation. If X happens, do Y. Tools like n8n or Make, or a small script, are perfect here.
  • Unstructured but the steps are fixed (emails, PDFs, free text): use an AI-assisted workflow. The AI reads and classifies, but the steps after that are fixed.
  • Unstructured and the steps vary (a customer question that may need an order lookup, a policy check and a reply): this is where an AI agent earns its place. It decides which tools to use, and in which order.

Three questions we always ask

  1. What happens when it is wrong? A wrong tag on a ticket is cheap. A wrong refund is not. The higher the cost of a mistake, the more you want fixed rules and a human approval step.
  2. Can you measure "good"? If you can collect 50 real examples with the right answer, you can test an AI solution properly. If nobody can say what a good answer looks like, start there.
  3. How often does it happen? Automating something that happens twice a month rarely pays off. Something that happens 200 times a day almost always does.

A pattern that works

In practice the best results come from combining the three:

automation for the plumbing, AI for reading and writing, and a person for the decisions that matter.

For example, an invoice workflow can collect PDFs automatically (automation), extract supplier and amounts (AI), and send anything uncertain to a person for approval (human in the loop).

Start small

Pick one process, collect real examples, and run a two-week pilot with a clear quality target. If it works, expand. If it does not, you have learned something for the price of two weeks, not two quarters.

Curious whether your process is a fit? Book a free intro call and we will give you an honest answer.