How to Check Perplexity's Sources and Citations

The short version

Perplexity’s citations are its biggest strength, but only if you open them. Every answer links each part to a numbered source. Two minutes of checking turns “the AI said so” into “this agency’s page says so”.

Step by step

1. Find the claims that matter. Numbers, dates, prices, rules and quotes. You don’t need to check every sentence.
2. Select the citation number next to each one. A panel shows the site and, for some sites, a label.
3. Read the label, if there is one. Perplexity marks some domains as Government (official government sites), Academic (scientific sites) or Trusted (sites that publish within their own area of expertise). Most sites have no label.
4. Open the page itself. Find the sentence the claim came from. Check it says the same thing, not something close.
5. Check the date. Prices, laws and product specs change. An old page can be cited for a current fact.
6. Prefer the original. If the source is a news story about a study, ask Perplexity for the study itself.
7. See how the answer was made. Perplexity’s Help Center describes a button under each answer that shows which model, search mode and source mode were used.

Prompts to copy

Ask for the evidence:

For each number in your answer, quote the exact sentence from the source and link it.

Go to the original:

Which of these sources is the original? Find the primary source (the agency, company or study)
for each key claim, and replace any secondhand sources.

Find the gaps:

Which claims in your answer are supported by only one source? Which sources are more than a year old?

Example

You ask: “How much can I contribute to a Roth IRA this year?”

What to check: the answer gives a limit with a citation. You open it and find it’s a finance blog from last year. You follow up: “Use only irs.gov.” The new answer cites the IRS page directly, and you confirm the number there.

Mistakes to avoid

• Treating a label as a guarantee. A Trusted site can still have an outdated article.
• Reading only the summary. Perplexity compresses pages; details and exceptions get lost.
• Ignoring missing citations. A sentence without a number is the model’s own wording. Ask where it came from.
• Checking everything. Focus on the facts you’ll act on or repeat.

Good to know

If an answer looks wrong, you can rewrite it with a different model from the same toolbar, or open the three-dot menu to view the sources and report feedback. Perplexity also says partnerships and payments don’t affect a site’s label.

Related: fact-check news with Perplexity and the ChatGPT fact-checking guide.