Buyer's guide

How to choose an AI visibility tool (2026)

AI-visibility (or GEO) tools all promise to tell you whether ChatGPT, Perplexity, Gemini, Claude and Grok mention and recommend your brand — but they differ a lot in coverage, scoring philosophy, how much they act for you, and price. This is a neutral, dated guide to the criteria that actually decide the choice, plus an honest landscape of the main tools.

Published June 18, 2026 Last updated June 18, 2026Data current as of June 2026

AI search changes fast — what these engines cite can shift in hours, not months. This page reflects research current as of June 2026 and is reviewed quarterly. Every statistic below is dated to its source so you can judge how current it is.

Key takeaways

  • Match the tool to the engines you care about: only ~11% of cited domains overlap across AI engines, and base plans often cover just 2–3 engines, charging extra for the rest.
  • Watch the scoring model — a single blended 'visibility score' hides per-engine reality and mixes a measurement with a diagnosis.
  • Decide how much action you want: monitoring-only, autonomous content generation, or human-in-the-loop fixes with before/after attribution.
  • Pricing ranges widely — from ~$29/mo entry tools to enterprise sales-led platforms; several offer a free trial or free audit to test first.
  • Vendor features and prices move fast; every figure here is dated to June 2026 — verify current details on each vendor's own site.

Five criteria that actually matter

1

Engine & surface coverage

Each AI engine uses a different search backend and only ~11% of cited domains overlap across them, so coverage is the first filter. Check which engines a plan actually includes — many base tiers cover only ChatGPT, Perplexity and Google AI Overviews, and charge extra for Claude, Gemini or Grok. Buy the engines your buyers actually use, not the longest list.

2

Scoring philosophy

Most tools roll everything into one blended 'visibility score'. That's convenient but it hides per-engine reality and quietly mixes a measurement (are you mentioned?) with a diagnosis (why?). Prefer tools that keep what engines actually say separate from the readiness factors behind it — so you know which number to act on.

3

Action model

Decide how much you want the tool to do. Some are monitoring-only. Some generate and publish content autonomously. Others recommend fixes but keep a human in the loop to approve them. There's no single right answer — but pick deliberately, and favour tools that attribute the before/after impact of each change rather than just claiming credit.

4

Accessibility & pricing

Pricing spans from ~$29/mo entry tools to enterprise, sales-led platforms with no public self-serve tier. If you're a founder or small team, a free audit or trial lets you validate value before committing. If you're an enterprise, breadth, support and panel-style demand data may justify the spend.

5

Evidence & transparency

AI search moves fast and is full of folklore (schema-for-citations, llms.txt). Favour vendors that show the evidence behind their recommendations, date their claims, and re-verify them — so you're acting on what the data supports, not what's fashionable.

The landscape at a glance

ToolBest forEngines trackedAction modelEntry
ProfoundEnterprise breadth & budget9–10, incl. Grok, Amazon Rufus, CopilotAutonomous content Agents + crawler-log analyticsEnterprise / sales-led
Peec AIMarketing teams & SEO agenciesBase: ChatGPT, Perplexity, Google AIO (others paid add-ons)Analytics & reporting~$100/mo · 7-day trial
Otterly.aiSMBs wanting an easy, low-cost startChatGPT, Perplexity, Google AIO + AI Mode, Gemini, CopilotMonitoring + GEO audit~$29/mo · free trial
S6STeams wanting trustworthy measurement + a governed fix loopThe 5 major consumer engines: ChatGPT, Perplexity, Gemini, Claude, GrokHuman-in-the-loop fixes with per-fix before/after attributionFree public audit (no signup)

Details as of June 2026 from the sources below. Vendors ship constantly and pricing changes — always verify current features and plans on each tool's own site. (S6S is our own product; we've described it on the same terms as the others.)

Which should you pick?

  • Enterprise needing the widest coverage — and with the budget for it — will likely be best served by Profound: the most engines and surfaces, panel-style demand data, and autonomous content agents.
  • Marketing teams and agencies who want solid analytics and reporting across the major engines should look at Peec AI, which is built around prompt- and model-level analytics with unlimited seats.
  • Small teams wanting the easiest, cheapest start will find Otterly.ai approachable, with a low entry price and a built-in GEO audit.
  • Teams that want measurement they can trust and a governed fix loop are who we built S6S for: two separate scores (what engines actually say, kept apart from the readiness diagnostic), coverage of the five major consumer engines, human-in-the-loop fixes with per-fix before/after attribution, and a free public audit to start.

Whichever you lean toward, run a free check first. Seeing how the engines describe you today makes every one of these criteria concrete.

Sources & dates

  1. [1] SiliconANGLE — Profound $96M Series C at $1B; Agents GAEnterprise AEO platform; autonomous content Agents went GA same day · Feb 2026 · link
  2. [2] Profound product page (Answer Engine Insights)Tracks 9–10 AI engines incl. Grok & Amazon Rufus; Agent Analytics analyses AI-crawler logs · Jun 2026 · link
  3. [3] Peec AI pricing page + Workduo / Discovered Labs reviewsPlans ~$100 / $241 / $505 per month; base engines ChatGPT, Perplexity, Google AI Overviews; Claude/Gemini/Grok/DeepSeek ~€20–30 each extra; unlimited seats; 7-day trial · Jun 2026 · link
  4. [4] Otterly.ai pricing page + Trakkr reviewPlans from ~$29/mo (Lite) up to ~$489–989; tracks ChatGPT, Perplexity, Google AI Overviews + AI Mode, Gemini, Copilot; free trial; GEO audit + prompt research · Jun 2026 · link

Correlational figures (e.g. Ahrefs r-values) describe association, not causation, and come from single-vendor datasets — treat them as directional. We refresh this page quarterly as the engines and the evidence base evolve.

See where you stand — free

Run a free S6S audit across ChatGPT, Perplexity, Gemini, Claude and Grok before you commit to any tool. No signup.

How to choose an AI visibility tool (2026): a buyer's guide — S6S.ai | S6S.ai