How to choose an AI tool comes down to one discipline most buyers skip: evaluating the task before the demo. Most bad AI purchases come from evaluating the demo rather than the task. Here is a process that takes a week and prevents a year of paying for something nobody uses.
[eba_callout type=”answer” title=”Short answer”]Pick one real, recurring task. Define what “good enough” looks like before you start. Run two or three candidates on that task using their free tiers, and count the rework. Buy the one with the least rework, not the best demo.[/eba_callout]
Most people learn how to choose an AI tool the expensive way, by paying for a year-long contract after a single impressive demo. The six steps below cost a week of real testing instead, and that week is the difference between a tool your team actually uses and a line item finance asks about every quarter.
1. Start from the task, not the tool
Write down one task, precisely, with how often it happens and how long it takes. “We spend about four hours a week producing the weekly progress report” is a brief. “We should use more AI” is not.
2. Define good enough before you look at anything
What would the output have to be for you to use it without rewriting? Write that down first, or every demo will look impressive.
3. Test on your own material
Vendor demos use material chosen to flatter the tool. Run your actual documents, your actual data, your actual meeting audio. The gap between a demo and your material is where most disappointment lives.
4. Count the rework, including the review
The honest measure is time before versus time after, including the time you spend checking output. A tool that halves drafting time but doubles review time has saved you nothing.
5. Check what happens to your data
Before the first upload: retention, training use, and where the data is stored. This takes ten minutes on the vendor’s terms page and it is much harder to undo later.
6. How to choose an AI tool: decide, and set a review date
Subscribe, or do not. Either way, put a date in the calendar three months out to check whether it is still being used. Unused subscriptions are the most common AI cost in a small business.
A one-page checklist beats a long RFP
Once you know how to choose an AI tool for one task, the same six steps apply to every future purchase — the checklist doesn’t get longer as your team grows, only the number of times you run it. If the tool touches customer or employee data, pair this evaluation with a written policy; our template for a one-page AI data policy for a small business covers the questions vendors should be able to answer without hesitation. For a more formal reference on evaluating AI risk before adoption, the NIST AI Risk Management Framework lays out the same principle at enterprise scale: govern, map, measure, manage.
Knowing how to choose an AI tool also means knowing when to walk away. If a vendor won’t let you run a real trial on your own material, or won’t answer the data-retention question directly, that’s the answer — move to the next candidate rather than negotiating for access you should get by default.
[eba_faq]
Q: How long should an evaluation take?
A: A week of real use beats a month of reading reviews, including this one.
Q: Should I evaluate more than three tools?
A: Rarely. Beyond three the comparison cost exceeds the difference between them.
[/eba_faq]
