Skills · 15 June 2026 · 3 min read

How to Fact-Check AI Before You Send It to a Buyer.

AI will hand you a wrong fact with total confidence. Here is how to fact-check AI output in seconds, so you never lose a buyer's trust over something made up.
Will Koning
Will Koning
Founder, meritt
meritt illustration: sales tech & ai fluency

Here is a thing nobody warns you about. AI will tell you a wrong fact with a totally straight face. It sounds sure. It sounds smart. And sometimes it is just making it up. If you copy that fact into an email to a buyer, your name is on it, not the AI's. The good news? Catching this is a quick habit, and once you build it, you sell with more confidence, not less.

The mistake most people make

Most people trust the AI because it sounds confident. You ask it about a prospect, it gives you a clean answer, and you paste it straight into your outreach. It feels fast and it feels right. But AI can invent a funding round, a job title, or a product that never existed. When you send that to a buyer, they spot it in two seconds. Now you look lazy, or worse, dishonest. One made-up fact can cost you the whole deal.

What good fact-checking looks like

Good sellers treat every AI fact as a lead, not a truth. They like what the AI gives them, but they don't believe it yet. Before that fact ever reaches a buyer, they check it against a real source. It takes seconds and it becomes second nature. The AI becomes a fast assistant, and you stay the person who decides what is real.

How to do it

Treat every AI fact as unproven

When the AI hands you a fact, don't trust it yet. Assume it could be wrong until you see where it came from. This one mindset shift catches most mistakes before they start.

AI says "meritt raised a Series B last month." Your first thought: nice, now prove it.

Check it against the company's own website

Go to the source the buyer would trust. The company's site, their LinkedIn, their press page. If the fact is real, you'll find it there in under a minute.

You open meritt's website and their news page. No Series B anywhere. Good catch. You drop it.

See the difference

Weak

You ask the AI about a prospect. It says "meritt just launched a mobile app and hired a new VP of Sales." You paste both lines into your email and hit send. Neither one is true. The buyer reads it, frowns, and never replies. You'll never know why.

Strong

The AI gives you the same two facts. You think, nice, but prove it. You open meritt's website and LinkedIn. The mobile app is real, the new VP is not. So you use the app and quietly drop the VP. Your email is short, true, and the buyer trusts every word.

Same AI. Same two facts. One quick check is the whole difference between looking sharp and looking sloppy.

How you'll know it's working

You've got this when you double-check any AI fact before it reaches a buyer. Catch yourself on your next AI-written email. Did you confirm each fact against a real source first? If yes, you're there. AI is a great helper, but it doesn't care if it's right. You do. That care is what keeps buyers trusting you, and trust is the thing that closes deals.

Questions people ask

How do you fact-check AI output?

Treat every fact the AI gives you as unproven until you confirm it. Take each fact and check it against a trusted source, usually the company's own website, LinkedIn, or press page. If you can't find it there in about a minute, don't use it. This quick habit catches made-up facts before they ever reach a buyer and damage your trust.

Why does AI make up facts?

AI tools pick words that sound right, not words that are true. So they can give you a confident answer that is just made up. That could be a funding round or a job title that never existed. People call this a hallucination. It means you can never assume an AI fact is correct just because it sounds sure. Always confirm it against a real source first.

What's the fastest way to check an AI fact?

Open the company's own website and try to find the exact fact with your own eyes. Their news page, about page, or LinkedIn are the quickest sources, because a buyer would trust them too. This usually takes under a minute. If the fact isn't there, treat it as false and leave it out of your message.

Is it safe to use AI for sales research?

Yes, as long as you check what it gives you. AI is great for speed and for surfacing leads to look into. The risk is only when you send its output to a buyer without confirming it. Use AI to work faster, then confirm any fact against a real source before it reaches a real person. That way you get the speed and keep the trust.

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