Free AI Fact Checker: Catch Hallucinations Before You Publish

Paste any AI-generated text or URL and get a claim-by-claim fact check: TRUE, FALSE, or UNVERIFIED verdicts with source links. Built for B2B SaaS content teams.

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What Is an AI Hallucination?

An AI hallucination is when a large language model generates text that is stated confidently but is factually incorrect. The model is not lying — it has no concept of truth or falsehood. It is predicting the next most likely word based on patterns in its training data, and sometimes that prediction produces plausible-sounding text that happens to be wrong.

Why Fact-Checking AI Content Matters More Than Ever

Teams using AI write significantly more content with the same QA bandwidth — and the risk of a published hallucination scales with it. Here is why fact-checking matters more than ever for B2B SaaS teams.

The scale problem

A content team that previously published 4 posts per month can now publish 20 — but the fact-checking capacity is the same. One hallucination in 4 posts is a 25% error rate. Spread across 20 posts with no QA step, it is an ongoing credibility risk at scale.

The AEO and GEO problem

When ChatGPT, Perplexity, and Google AI Overviews generate answers for users, they cite your published content as a source. If that content contains a hallucinated statistic, the AI search engine cites that hallucination and amplifies it to everyone asking related questions.

The trust problem

In B2B SaaS, your buyers are experts. They will catch errors. A published stat that contradicts a well-known report, or an attribution to a study that doesn't exist, signals that your content operation lacks rigour, and undermines trust in everything else you publish.

Four verdicts. Zero ambiguity.

Every claim gets one of four verdicts — with a plain-English explanation and a source link for every result.

TRUE

Confirmed by two or more authoritative sources — academic databases, official records, or established news organisations.

FALSE

Directly contradicted by at least one authoritative source. This is a hallucination — do not publish it without correction.

UNVERIFIED

The claim could not be confirmed or denied by any reliable source in the live web. Treat with caution before publishing.

NEEDS CONTEXT

The claim is technically true in certain conditions but missing context that changes its meaning or implications for readers.

Built for B2B SaaS content teams

Not a journalism or student tool. Built specifically for the teams producing AI-assisted content at scale.

Content Teams

QA every AI-written post before it goes live

You're publishing 4-8 AI-assisted blog posts a week. One hallucinated statistic in a live post damages your brand with the sophisticated buyers reading it.

SEO Leads

Protect your AI citation quality — not just your rankings

Inaccurate content gets cited incorrectly by ChatGPT and Perplexity. Fact-checking is a GEO hygiene step that protects your AI search visibility, not just your Google rankings.

Founders & PMs

Verify competitor claims and industry stats before sharing

Before you quote a stat in a board presentation or tweet a market size figure, run it through the fact checker. Thirty seconds to avoid a credibility-damaging error.

Content Agencies

Scale QA across dozens of client deliverables

Running content programs for multiple SaaS clients simultaneously? A single fact-checking step across all deliverables protects both your clients and your agency's reputation.

Content quality + GEO strategy

Fact-checking is step one.

Here's why it matters for AI search.

If your content contains a hallucination, ChatGPT and Perplexity will cite that hallucination in their answers. Fact-checking is not just a publishing quality step — it's a GEO hygiene requirement. Content quality and AI visibility are now the same problem.

Book a Call
1
Fact-check content
2
Add TLDRs + schema
3
Deploy llms.txt
4
Track AI citations
5
Full GEO strategy

Frequently Asked Questions

What is an AI hallucination?
Can AI fact-check itself?
How accurate is the AI fact checker?
What sources does the tool use for verification?
How is this different from a plagiarism checker or grammar checker?
Is it free? Are there limits?
Does fact-checking AI content help with SEO and AI search rankings?