How to measure AI answer accuracy
Build a fact set, grade the answers, trace the source, fix it and retest.
The short answer
Measure AI answer accuracy by building a fact set of what must be right, grading each answer as accurate, outdated, incomplete, wrong or unofficial, tracing each error to its source, fixing it at the source and retesting.
Measure accuracy in five steps
Build a fact set
List the facts that must be right: rates, hours, eligibility, locations, policies, names.
Grade answers
For each prompt, mark the answer accurate, outdated, incomplete, wrong or unofficial.
Trace the source
Find which page or site each error comes from.
Fix at the source
Update your page, structured data or summary, or correct the third-party source.
Retest
Run the prompts again and track the accuracy rate.
Error types and typical causes
| Error type | Typical cause | Typical fix |
|---|---|---|
| Outdated | An old page, PDF or third-party listing is still cited. | Update or retire the old source; add visible last-updated dates. |
| Incomplete | The answer exists only in a PDF or buried in a long page. | Publish a clear page that answers the question first. |
| Wrong | Conflicting sources, or a competitor or aggregator filling a gap. | Publish the authoritative answer and correct third parties. |
| Unofficial | AI relies on forums or reviews rather than your content. | Make the official source easier to find, read and cite. |
Fact sets by industry
| Industry | Facts that must be right |
|---|---|
| Financial services | Rates, fees, eligibility, disclosures and claims steps. |
| Healthcare | Providers accepting patients, accepted insurance, hours, locations and preparation instructions. |
| Professional services | Practice areas, people, offices and credentials. |
| Travel and hospitality | Amenities, policies, fees and seasonal offers. |
| Public sector | Eligibility, deadlines, forms, locations and service changes. |
Keep humans in the loop
High-stakes facts should be reviewed by the people responsible for them: clinical, legal, compliance or program staff. Prolifico recommends and drafts the changes; your teams approve and publish.
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Frequently asked questions
How do you measure the accuracy of AI answers about a brand?
Build a fact set, grade each answer as accurate, outdated, incomplete, wrong or unofficial, trace each error to its source, fix it at the source and retest.
What causes AI to give outdated information about a company?
Old pages, PDFs and third-party listings that remain easy to find and cite. Updating or retiring the source and adding visible last-updated dates usually helps.
Who should approve changes made to correct AI answers?
The people responsible for the facts, such as clinical, legal, compliance or program owners. Prolifico drafts and recommends; your teams approve and publish.