The Citation Index · Research
Research on AI visibility tools
See whether (and how) ChatGPT, Perplexity, Gemini and AI Overviews mention and cite your brand.
Our researchStatistics
AI search statistics 2026: the data behind the shift
Dated AI-search studies and enterprise survey findings, with corrected source attribution, study windows, denominators and limits on causal claims.
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Try a tool's name, an engine such as ChatGPT, or a topic like pricing.
Also new
Buyer's guide
Best AI visibility tools for brand sentiment
Rankshift, RadarKit, Amplitude, CisionOne and Archytas AISpy report the sentiment AI answers attach to a brand; the others do it partly or not at all.
Buyer's guide
Engines, audits and suites: how AI visibility tools differ
AI visibility tools differ on the engines they check, whether they track answers over time or audit a page once, and the suite they fit into.
Buyer's guide
AI visibility monitoring tools for enterprise teams
Conductor, BrightEdge and Meltwater GenAI Lens fit enterprise teams; check engine coverage, data access, security and contract terms before you buy.
12 pieces in the library below
Buyer's guide
AI visibility tools that handle technical AEO
Bloomiro, GEO Tool, Semrush, ApexGEO and CiteMentor check schema, llms.txt or crawler rules; Amplitude, RadarKit and AISpy cover only part of it.
Buyer's guide
Monroya: pricing, use cases and alternatives
Monroya checks what six AI assistants say about your business and hands you weekly moves with ready drafts. Pricing, use cases and alternatives.
Buyer's guide
Which AI visibility tools cover Google AI Mode?
Five of the ten tools here track Google AI Mode directly. Of the 133 tools in our index that say, 57 track it on every plan (25 October 2026).
Buyer's guide
Your AI Visibility Score Is a Probability
Two studies show AI answers rarely repeat the same brands or sources, and what that means for reading AI visibility reports and choosing a tool.
Buyer's guide
AI visibility tools for marketing teams
Compare AI visibility tools by engine coverage, refresh cadence, reporting, workflow fit and price, and learn what to check before choosing.
Buyer's guide
Which AI visibility tools generate content?
Learn which AI visibility tools draft articles or other materials, which offer only limited generation, and what that distinction means for buyers.
Buyer's guide
AI visibility tools for agencies: what to check
Compare AI visibility tools for agencies by engine coverage, client limits, reporting, optimization features, pricing, and trial terms.
Buyer's guide
Prompt volume, seats or credits: how AI-visibility tools price
Compare configured prompts, answer runs, bundled limits, credits and self-hosting costs using dated vendor examples, not monthly sticker prices alone.
Buyer's guide
How to choose an AI visibility tool: 7 things to check
Seven checks for choosing an AI-visibility tool, with explicitly dated August 2026 census findings and practical questions about engines, evidence, access and cost.
Market analysis
Who's backing your GEO stack? The 2025-2026 money wave
Ten dated GEO financing and acquisition events through July 2026, separating disclosed terms and company plans from unsupported pricing and survival predictions.
Comparison
Peec vs Profound vs Scrunch vs Otterly: how to choose
Peec, Profound, Scrunch and Otterly compared by engine coverage, prompt capacity, integrations and billing commitments, with dated public-source examples.
Report
How AI answer engines cite sources: what the studies show
What Profound, Otterly and Ahrefs citation studies actually measure, where their samples and denominators differ, and what they do not prove about AI source selection.
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Guides
Advertise in AI answers
How to advertise in Google AI Overviews and AI Mode
Read the guideAdvertise in AI answers
How to advertise in Microsoft Copilot
Read the guideAdvertise in AI answers
Can you advertise on Perplexity? What it sold, and what it publishes now
Read the guideThe basics
GEO vs AEO vs SEO: what each one means and which you need
Read the guideAdvertise in AI answers
How to advertise on ChatGPT: Ads Manager, partners, prices and rules
Read the guideMeasure what AI answers say
Reconcile Google AI impressions with analytics
Read the guideControl crawlers and AI use
Audit AI crawler permissions across robots and WAF
Read the guideControl crawlers and AI use
Control Google AI search without leaving Search
Read the guideThe basics
Why the same AI question can return different sources
Read the guideControl crawlers and AI use
After a page fix: notify search engines and check
Read the guideControl crawlers and AI use
Reviewing AI-assisted pages for Google spam policy
Read the guideMeasure what AI answers say
How to audit an AI answer’s citation support
Read the guideMeasure what AI answers say
How to read Bing AI Performance citation counts
Read the guideThe basics
How to rank in AI search results
Read the guideGet cited, engine by engine
How to get cited by Claude
Read the guideGet cited, engine by engine
How to get cited by Microsoft Copilot
Read the guideGet cited, engine by engine
How to get cited by Google Gemini
Read the guideGet cited, engine by engine
How to rank in Google AI Overviews: get cited, not just #1
Read the guideGet cited, engine by engine
How to get cited by Perplexity
Read the guideGet cited, engine by engine
How to get cited by ChatGPT
Read the guideArchive 6
Dated editions and the corrections we made to them, kept as published.
- AI visibility and GEO: the 22 August 2026 six-engine shortlist16 August 2026
- Which AI-visibility tools show their work? A methodology census7 August 2026
- Free-access census: corrections to the August 2026 findings5 August 2026
- SOC 2 Type II and SSO in AI-visibility tools: included or gated?25 July 2026
- Which AI-visibility tools can your own AI agent actually query?24 July 2026
- Vendor record discrepancies: what the July archive can prove21 July 2026