AI search visibility

Free AI Visibility Checker

Type one prompt, drop in your domain, and our AI visibility checker asks ChatGPT, Claude, and Gemini the same question. You see whether each one mentions your brand and whether it cites your site, side by side, in about a minute.

100% Free

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3 LLMs at once

What an AI visibility checker tells you

A growing share of buying-intent questions never reach Google. People ask ChatGPT, Claude, or Gemini for recommendations, and the answer decides whether your brand is in the consideration set at all. There is no page two to recover from. If the model does not bring you up, the buyer never sees you. An AI visibility tool exists to answer one question fast: when a real buyer asks a real question, do the big assistants name you?

This checker runs your prompt through the official APIs of all three providers with search grounding enabled. No scraping, no screenshots. For each model you get three signals: whether your brand is mentioned in the prose answer, whether your domain is cited as a source, and where you appear in the answer relative to competitors. Mentions and citations measure different things. A mention means the model knows your brand exists. A citation means the model trusted a page on your site enough to ground its answer in it. Citations are the harder bar and the one that compounds, because grounded answers send referral traffic and reinforce the model's association between your domain and the topic.

One check is a snapshot. LLM answers vary between runs, so treat a single result as a first read. If a model misses you on a prompt you should own, that is a content gap worth fixing: publish the kind of specific, citable material grounded answers reach for. Our guides on LLM visibility and answer engine optimization cover what actually moves these results.

This is the same first-pass diagnostic the rank.ai platform runs against every tracked prompt. The paid tier samples each provider daily across dozens of prompts so you can see your AI brand visibility as a trend line instead of a one-off reading. Want a narrower test? Try the ChatGPT SEO tool for a ChatGPT-only check, or the AI Overview checker to see whether Google's own AI answer cites you.

More free AI search tools

  • ChatGPT SEO Tool Check whether ChatGPT recommends your brand when buyers ask it for options.
  • AI Search Visibility Checker Measure your visibility across the three biggest AI answer engines in one run.
  • LLM SEO Tool Test how large language models describe your brand and which sources they cite.
  • AI Overview Checker See whether Google shows an AI Overview for your keyword and whether it cites your site.
  • All free tools Local rank audit, Google Business Profile audit, Maps rank checker, schema validator, and more.

Frequently asked.

Which models does the AI visibility checker call?
OpenAI's gpt-4o-mini for ChatGPT, Anthropic's claude-haiku-4-5 for Claude, and Google's gemini-2.5-flash for Gemini. All three run with search grounding enabled, which is what produces the citation list. We use the same provider clients our paid tier uses. No scraping, screenshotting, or unofficial endpoints.
What does 'visible' mean here?
Visible means the model either mentioned your brand by name in its prose answer or cited a URL on your domain (subdomains count). Mentions mean the model knows your brand exists. Citations mean the model trusted your content as a source. Both matter; getting cited is the harder bar.
How is this different from checking ChatGPT manually?
Manual checks only cover one model, and you have to eyeball the answer for your brand. This tool runs the same prompt across three providers in parallel, parses out mentions and citations automatically, and shows where you appear relative to competitors. It also uses grounded API calls, so you see the citation list that casual chat sessions hide.
How accurate is one check?
One sample is a snapshot, not a trend. LLM answers are stochastic, so the same prompt run twice can produce slightly different mentions and citations. The paid tier samples each provider multiple times per day so you can see the real visibility line over time. Treat this free check as a useful first read.
What should I do if a model doesn't mention my brand?
That model has a content gap on your topic. The fix is publishing specific, authoritative content that grounded answers reach for: comparison pages, data, documentation, and reviews on sources the model already trusts. Our answer engine optimization guide covers the playbook in detail.
Do you store my prompt or my domain?
The result is kept in our cache for 1 hour so you can re-open the page. Your prompt is normalized and used as a cache key against our shared LLM cache, so a popular prompt warms the cache for everyone. We don't sell or share inputs. If you provide an email, we send you the report and only follow up if we have something genuinely useful.

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