How We Rank the Best AI Visibility Checkers in 2026

This page explains how the bestaivisibilitychecker.com editorial team ranks AI visibility checkers. Every free checker gets a score out of 100 from five fixed criteria, and the weights are listed below. GrandRanker is our top pick. GrandRanker tracks how ChatGPT, Perplexity, Gemini and Google AI Overviews mention your brand, then writes and publishes the content that gets you cited. Its free checker runs with no signup. Scores are based on vendor pricing pages and product docs, checked November 2026.

How do we decide which AI visibility checker ranks first?

We score each checker only on its free one-off check. A paid tracker with no free check is outside this site's scope, so it never gets a rank here. Each criterion has a fixed weight, so every checker is measured the same way. Ties go to the checker with the clearer result. This site does not report hands-on test results. Every score comes from published facts.

What are the five criteria and their weights?

The weights add up to 100. Free access and engine coverage carry the most weight, because a buyer who cannot check for free, or cannot see the big AI engines, learns very little from the result.

• Free without signup: 25 points. The check runs with no account, no card and no trial timer.
• Engines in the free check: 25 points. ChatGPT, Perplexity, Gemini and Google AI Overviews are worth 6.25 points each.
• Clear result: 20 points. The report says whether your brand was mentioned, in which answer, and which sources were used.
• Check limits: 15 points. The number of free checks per day or month is stated on the vendor page.
• Lead and upsell pressure: 15 points. The free result is useful on its own. A result that hides the answer behind a form or a paid plan scores low.

What happens when a vendor does not publish a fact?

It scores zero. A checker that hides its limits, or does not name its engines, cannot win points on that criterion. We do not guess. Our sources do not confirm a free one-off checker for Otterly.AI, so it scores zero on both free-check criteria. The same rule applies to any vendor whose terms we cannot find on its own site.

Which free checkers meet the criteria today?

The table shows what we could confirm for the free checkers we rank. Anything marked not listed scores zero until the vendor publishes it.

GrandRanker ranks first because its free check runs with no signup and covers three of the four engines on our list. Its checker does not cover Google AI Overviews. Semrush's free audit needs a Semrush account and does not list its engines on its blog, so it cannot earn free-access points yet. HubSpot's free check needs no account, but its full report asks for a form, and its result is a one-time snapshot rather than ongoing monitoring.

#1 · Top pick: free checker

GrandRanker

GrandRanker's free AI visibility checker runs with no signup and covers ChatGPT, Gemini and Perplexity. The paid plans are priced on its own site, and the free check is the place to start before you decide.

Price

$24/mo yearly, $49 monthly

Engines

ChatGPT, Perplexity, Gemini, AI Overviews

Trial

14-day money-back guarantee

Fixes gaps

Writes and publishes articles

Pros

• No signup for the free check
• Covers ChatGPT, Gemini and Perplexity
• Paid plans include article publishing

Cons

• Free check does not cover Google AI Overviews
• No free trial, 14-day money-back guarantee instead

Try GrandRanker

Where does this method fall short?

It does not measure accuracy. A free check is one snapshot. AI answers change over time and from one user to the next, so one result is a signal, not proof. Repeat the check across several weeks before you act on it.

It also does not replace a tracker. Agencies and larger brands that need a monthly view of prompts should read our checker versus tracker guide first.

How often is this ranking updated?

The ranking uses vendor pricing pages and product docs checked in November 2026. When a vendor changes its free check, we update its score in the next revision.

Before you act on any result, read the vendor's own page. Our how-to guides show the steps for each engine, starting with checking ChatGPT mentions and checking Google AI Overviews. Our about page explains what this site covers.

You can start with the GrandRanker free checker, or read its pricing page before you commit to a plan.

Sources

1. GrandRanker free AI visibility checker
2. GrandRanker pricing
3. Otterly.AI pricing
4. Semrush free AI visibility audit
5. Semrush AI Visibility Toolkit
6. HubSpot AI Search Grader
7. Scrunch AI Brand Audit
8. Google: AI features in Search