AI Visibility Tool: What It Does and How to Choose One

An AI visibility tool is software that measures how often AI engines such as ChatGPT, Gemini and Perplexity name your brand when people ask about your category, how they describe it, and which sources they cite to answer.

This guide explains what these tools measure and how to pick one. For twelve tools side by side on price, engines and prompts, see AEO tools compared; for team-by-team advice, read the best AI visibility tools for 2026.

A note on who wrote this: this page is written by Noma by Nurdd, which makes an AI visibility tool. Prices for other tools were read on each vendor’s own site on 30 October 2026; confirm them before you buy.

What is an AI visibility tool?

When a buyer asks an AI engine for the best tool, agency or product in your category, the engine writes a short answer that names some brands and may cite pages. An AI visibility tool asks those questions for you on a schedule, keeps every answer, and turns them into numbers you can track. The same tools are sold as AEO tools, GEO tools and AI search monitoring tools.

Metrics to expect

• Visibility: how often your brand is named across your tracked prompts.
• Position: where your brand sits among the brands an answer names.
• Share of voice: your share of all brand mentions in the same answers, against the competitors named there.
• Sentiment: how the answers that name you describe you.
• Citations: which pages and domains each answer cites, yours or others’.

Read each metric per engine before you read a total: engines often name different brands for the same question. Our explainer on AI share of voice explains the arithmetic.

How tools track ChatGPT, Gemini and Perplexity

The method is the same on every engine: a fixed set of buyer questions, asked on a schedule from fresh sessions, with every answer stored. What differs is what each engine shows.

• ChatGPT answers many category questions with a shortlist; see tracking brand mentions in ChatGPT.
• Gemini grounds answers in live pages, so its answers move as the web moves; see the Gemini visibility tracker.
• Perplexity cites sources on every answer, so a brand can be named often and cited never; see the Perplexity visibility tracker.

Noma by Nurdd runs this across 13 AI engines, with ChatGPT, Gemini, Perplexity and Claude on every paid plan.

Buying checklist

1. List the engines your buyers use, and check which plan includes each one.
2. Convert the meter to your use: prompts, responses and credits are different units, so work out prompts times engines times days for each plan.
3. Check that you can see the cited sources, not only a score.
4. Check security needs early: SSO and SOC 2 are mostly on Enterprise plans.
5. Decide how much help you want acting on the data: a dashboard, drafts or audits.
6. Trial two or three tools with the same prompts. Our guide to which prompts to track helps build the set.

Pricing range

On 30 October 2026, published entry prices ran from $29 a month (Otterly.ai Lite, 15 prompts) to $354 a month (Goodie Core, billed monthly; $295 billed annually). In between: Noma by Nurdd Starter at $79 for 50 prompts, Peec AI Starter and Promptwatch Essential at $95, the Semrush AI Visibility Toolkit at $99, Scrunch AI Core at $250 and AthenaHQ Starter at $295. Profound sells Enterprise on a custom quote. The full table with sources is on AEO tools compared, and Noma’s plans are on the pricing page.

Free options

• Noma by Nurdd’s free brand audit asks Perplexity, ChatGPT and Gemini 10 questions your buyers ask, with no account and no card, and the free tools check your site and prompts. Paid plans start with a 3-day trial.
• AthenaHQ has a free Essential plan with 300 credits.
• Profound, Scrunch AI and Promptwatch offer 7-day trials, and SE Ranking a 14-day trial.

FAQ

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