Topic
Answer engine optimization is the work of getting a brand named, and linked, in the answers that AI engines give: ChatGPT, Perplexity, Gemini, Claude, Grok, Microsoft Copilot and Google's AI features. These pages cover how each engine picks its sources, how to measure your share of its answers, and the tactics that change it.
Research
How much seven AI engines cite Reddit, YouTube and LinkedIn for questions about AI visibility tools, from 15.8% of Google AI Mode's citations to 0.1% of ChatGPT's, with per-engine counts, shares and the questions involved.
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ChatGPT cites few sources per answer, and its most-cited sites are AI visibility vendors' own domains. Our scans show which roundups, page kinds and questions make up the rest, and how ChatGPT differs from six other engines.
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Claude cites about eight sources per answer, gives articles and reference pages a larger share than any other engine, and cited no Reddit threads at all. Our scans show its most-cited sites, page kinds, questions and misreads.
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Gemini cites fewer sources than any other engine and keeps returning to the same few sites. Our scans show which sites, page kinds and questions it relies on, and where it confused Otterly.AI with Otter.ai.
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Google AI Overviews and AI Mode cite YouTube more than any other site, and lean on video and community pages far more than the other five engines. Our scans show their top sites, page kinds, questions and overlap.
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Grok cites about four and a half sources per answer, almost all roundups and articles, and many of its sites are ones no other engine cites. Our scans show its most-cited sites, page kinds and questions, and how it differs from six other engines.
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Perplexity cites about 20 sources per answer, more than three times the other engines, and sends more citations to pages on the wrong subject than any of them. Our scans show its most-cited sites, page kinds and questions.
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We kept every source from 3,531 answers by ChatGPT, Perplexity, Gemini, Claude, Grok and Google's two AI engines. Perplexity cites four times as many sites as ChatGPT, roundups take two thirds of the citations, and one engine answered a software question with alternative rock.
Comparisons
Ahrefs Brand Radar pricing: checks per plan, $50-$250 prompt packs, the $199 index, worked costs, and Cituna's daily tracking on seven engines.
Comparisons
Peec AI vs AthenaHQ: $95 for 50 prompts on 3 models vs $295 in credits on 11, a verdict by need, and Cituna for 7 engines checked daily from $39.
Comparisons
Scrunch vs Profound: Core at $250 for 4 engines vs Profound's custom Enterprise, a verdict by need, and Cituna for 7 engines checked daily from $39.
Comparisons
Semrush AI Visibility Toolkit review: what $99 buys, 25 prompts, four engines, add-ons, Semrush One limits, and where Cituna's seven daily engines fit.
Comparisons
Do you need an AI visibility tool if you already track rankings? Nine tools scored on engines, price, trial and fit, from vendor pages.
Comparisons
Cituna tracks Google AI Mode daily, apart from AI Overviews, with Search Console, from $39. Fifteen AI Mode rank trackers compared by price and cadence.
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Cituna checks Claude daily with six other AI engines and Search Console, from $39. Twelve Claude rank trackers compared by price, Claude cost and cadence.
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Otterly.AI checks Copilot daily from $29. Ten Microsoft Copilot rank trackers compared by price, Copilot cost, cadence and plan.
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Cituna checks Grok daily with six other AI engines and Search Console, from $39. Eight Grok rank trackers compared by price, plan and cadence.
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Seven free AI Overview checkers compared by what each shows, the signup it asks for and its daily limit, plus the manual check and when to track.
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Eight tools that show which websites AI engines cite for your industry's questions, with the engines each one reads and its price, from vendor pages.
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Cituna tracks AI Overviews and AI Mode apart, daily, with Search Console, from $39. Ten AI Overviews trackers compared by price, cadence and AI Mode.
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Cituna checks ChatGPT daily with six other AI engines and Search Console, from $39. Ten ChatGPT rank trackers compared by price, prompts and cadence.
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Cituna checks Gemini daily with six other AI engines and Search Console, from $39. Ten Gemini rank trackers compared by price, plan and cadence.
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SE Ranking's AI tracker reviewed from its own pages (16 Oct 2026): five engines, prompts per plan, pricing, gaps, and where Cituna's seven engines fit.
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For ChatGPT, Perplexity, Gemini, Claude, Grok and Google's two AI surfaces checked daily at the lowest flat price here, the best AI visibility tool is Cituna at $39. Nine more by need, read 28 and 29 September 2026.
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Fifteen AI visibility tools for marketing agencies in 2026, ordered by what five clients cost a month, with the arithmetic, white-label reports, pitch workspaces and engines, from vendor pages checked 28 and 29 September 2026.
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Eleven AI visibility tools for B2B companies in 2026, grouped by budget, with which ones cover Claude and Grok without enterprise pricing, Search Console, API, SSO and what seven AI engines told a small B2B SaaS on 28 September 2026.
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For daily tracking of ChatGPT, Perplexity, Gemini, Claude, Grok and Google's two AI surfaces at one flat price, the best AI visibility tracking tool is Cituna at $39. Eight more trackers reviewed on tracking alone, 28 and 29 September 2026.
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For a free check of whether AI crawlers can reach your site, our pick is Cituna's AI visibility checker, no account needed. Then eight free checkers of whether ChatGPT, Gemini and Claude name you, read 28 and 29 September 2026.
Comparisons
What 17 AI visibility platforms cost at entry, Sept 2026, and Cituna: daily checks on seven AI engines with a fix written for each gap, from $39.
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Cituna is the best fit for tracking brand mentions in ChatGPT and Perplexity when you want five more engines checked daily on the same $39 plan. Six tools from vendor pages checked 28 and 29 September 2026, and what seven engines named.
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We asked seven AI engines 22 buyer questions on 28 September 2026, counted which of eight AI visibility tools they named, then checked every tool's own pages and the prices the engines quoted. What held up in 2026 and what did not.
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For Perplexity checked daily next to ChatGPT, Gemini, Claude, Grok and Google's AI surfaces, the best Perplexity rank tracker is Cituna at $39. Twelve tools to check Perplexity rankings, priced 28 and 29 September 2026.
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Seven LLM Pulse alternatives ranked on daily checks, Claude and Grok, Search Console, API and price, from vendor pages read 25 September 2026.
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Eight LLMrefs alternatives ranked on daily checks, Search Console, MCP, Claude and Grok, and price, from vendor pages read on 25 September 2026.
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Seven Rankscale alternatives ranked on daily prompt allowances, Claude and Grok, Search Console, API and export, from vendor pages read 25 September 2026.
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Eight SE Ranking AI tracker alternatives with Claude, Grok, Search Console, API and price compared, from vendor pages read on 25 September 2026.
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Seven Semrush AI Visibility Toolkit alternatives, scored on six stated criteria: price, prompts, domains, Claude and Grok, Search Console and API.
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For your own prompts on seven AI engines checked daily at one flat price, with Search Console, the Ahrefs Brand Radar alternative to pick is Cituna, from $39. Eight more by need, from vendor pages read 28 and 29 September 2026.
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Nine AI visibility tools, every figure taken from the vendor's own pricing page on 22 September 2026. For tracking all seven major AI engines with Search Console at the lowest published price, our pick is Cituna. Here is where each of the others wins.
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Seven AthenaHQ alternatives for 2026 whose entry plans all cost less than AthenaHQ's $295 Starter, for teams that want more answers per dollar, an API included, a published check frequency or Claude and Grok on a flat price. Prices checked 28 and 29 September 2026.
Comparisons
Ten AI visibility tools a small business can afford in 2026, grouped by budget (under $50, $50 to $100, and SEO-suite options at $99 to $129), with the free route first and when to upgrade, from vendors' own pages checked 28 and 29 September 2026.
Comparisons
Among flat-priced plans, the cheapest AI visibility tool that tracks all seven major engines is Cituna at $39. Twelve tools ranked by entry price, from Otterly.AI at $29 for four engines, with Search Console and API.
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Cituna and Otterly.AI compared on entry price, engines, add-ons, Grok, Search Console, API and MCP, cadence and trial, from each vendor's own pricing page on 23 September 2026, including where Otterly.AI wins.
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Cituna and Profound compared on published price, engines, Grok, Search Console, API and MCP, cadence and trial, from each vendor's own pricing page on 23 September 2026, including where Profound comes out ahead.
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For all seven major AI engines checked daily at one flat price, the best Otterly AI alternative is Cituna, from $39 with Grok, Claude and AI Mode included. Six more picks by need, from vendor pages read 28 and 29 September 2026.
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Otterly.AI and Peec AI compared on entry price, prompts, engines, Search Console, API and MCP, reporting, cadence and trial, from each vendor's own pricing page on 23 September 2026, with a verdict by situation.
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For Claude, Grok and Perplexity without an enterprise contract, the best Peec AI alternative is Cituna: seven engines at once, daily, from $39. Seven more by need, from vendor pages read 28 and 29 September 2026.
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Cituna checks seven AI engines daily with Search Console and writes the fixes, from $39. Eight more Profound alternatives by need, read 28-29 Sep 2026.
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Profound and Peec AI compared on published price, engines, Search Console, API and MCP, tracking cadence and trial, from each vendor's own pricing page on 23 September 2026, with a verdict by situation.
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For Gemini, Claude, Grok and Google AI Mode checked daily at one flat price, without Scrunch's Enterprise plan, the Scrunch AI alternative to pick is Cituna, from $39. Seven more by need, prices read 28 and 29 September 2026.
Comparisons
Semrush's AI Visibility Toolkit and Ahrefs Brand Radar compared on entry price, prompts, engines, Search Console, API and MCP, cadence and trial, from each vendor's own pages on 23 September 2026, with a verdict by situation.
Guides
What Search Console already shows about AI Overviews and AI Mode in 2026, the seven checks a tool's Search Console integration should pass, and which AI visibility tools publish one, checked on each vendor's own pages.
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Seven criteria for choosing an AI visibility tool in 2026, from the engines your buyers use to trial and contract terms, each with what to check and a dated example from vendors' own pages, plus a scoring worksheet.
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For whether Google AI Overviews and AI Mode name your brand, each tracked daily next to Search Console, our pick of AI Overviews mentions tool is Cituna at $39. Plus what Search Console shows and how to size click loss.
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To improve ChatGPT brand mentions, make the pages it reads name you for a stated need, on your site and off it. To see where it cites you but names rivals, our pick is Cituna at $39. Six steps from our scans of 29 September 2026.
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SEO aims at search results; AEO and GEO are two names for getting included and cited in AI answers. Where the terms come from, what the three share, what really differs, and where the labels overlap or are used loosely.
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Google AI Mode splits a question into subtopics, searches each one and links the pages that support its answer. What Google documents about AI Mode, what it cited in our scans, and how to cover the questions it fans out into.
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Google AI Overviews link to indexed pages that can show a snippet, chosen by Google's core ranking systems. What Google documents, what AI Overviews cited in our scans, and the Search Console settings and content work that follow.
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How to pick the questions to track across ChatGPT, Perplexity, Gemini and Google's AI answers: five kinds of prompt worth tracking, where to find real questions, how to phrase them, and how to keep the results comparable.
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What to do when ChatGPT, Perplexity, Claude or Google's AI Overviews get your brand wrong: trace the source, fix what you control, ask other sites to correct theirs, and use each engine's documented feedback route, knowing none guarantees a fix.
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To get cited by ChatGPT, let OAI-SearchBot in, stay in Bing's index, answer each buying question and get onto the roundups it reads. To measure it daily, our pick is Cituna at $39. Seven steps from OpenAI's docs and our scans.
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Claude searches when a question depends on current facts, such as a product's price or features, and its search answers carry citations. What Anthropic documents about Claude's search and crawlers, what Claude cited in our scans, and what to do.
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Gemini grounds its answers in Google's Search index, and a robots.txt token called Google-Extended decides whether your pages can be used. What Google documents about Gemini, what Gemini cited in our scans, and what to do.
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Grok decides for each question whether to search the web and public posts on X. What xAI and X document about how Grok searches and cites, what Grok cited in our scans, and how to get onto its own, quite different reading list.
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Microsoft says Copilot is powered by Bing's search index, so getting cited starts with Bing Webmaster Tools, IndexNow and pages that state facts plainly. What Microsoft documents and the steps that follow. Copilot is not in our scan data.
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Perplexity searches the web for each question and, in our scans, cited far more sources per answer than any other engine. What Perplexity documents about its crawlers, what it cited, and how to earn a place in its source lists.
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How to find the "best tools" and "alternatives" lists that AI engines cite for your buyers' questions, check whether you are on them, and give each author a reason to add you, with the share of citations roundups took in our scans.
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Measure your brand's AI share of voice per engine: your mentions divided by all tracked brands' mentions, times 100. To run it daily on seven engines, our pick is Cituna, from $39. The formula, a worked example and a baseline.
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For auditing seven AI engines daily, from crawler access to the pages they cite, our pick of AI visibility audit tool is Cituna, from $39. Plus the four-part audit by hand, with the evidence to collect for each part.
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How to see visits from ChatGPT, Gemini, Claude and other assistants in Google Analytics 4: the AI Assistant channel added in May 2026, a custom channel group that splits it by assistant, and what GA4 cannot see.
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How to build an alternatives or versus page that AI engines cite: pick the comparison buyers actually ask for, answer it first, source every figure from the vendor's own page, and say where rivals win, with what our scans of comparison pages showed.
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What makes a page worth citing in ChatGPT, Perplexity, Gemini and Google's AI answers: facts only you have, numbers with named sources, the answer up front and a named author, with the evidence from Google, a KDD 2024 study and our scans.
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Ten tactics for getting your brand cited by ChatGPT, Perplexity, Gemini, Claude, Grok and Google's AI answers, each with the measurement behind it. No tactic appears here without a number or a primary source.