Insights & Analysis
AI search, measured.
Which websites do AI models actually cite, and how is that changing? Living leaderboards and regular analysis from the BrandInsightAI dataset.
Behind every figure: 264,296 citations · 55,285 model responses in the rolling window · measured, never estimated
The atlas · 8 weeks to 2026-09-14
ChatGPT is the most authority-seeking of the 7 models citing this week — 17% of what it cites is government or educational.
One ring per model, same slice order and same ink scale on every ring, from every citation every project produced in the window — not a survey. Hover a slice for the share.
- ClaudeBrand first — 33% of its citations
- PerplexityBrand first — 29% of its citations
- GeminiBrand first — 33% of its citations
- ChatGPTBrand first — 40% of its citations
- GrokBrand first — 36% of its citations
- DeepSeekno citations yet
- Google AIOBrand first — 32% of its citations
- Google AI ModeBrand first — 33% of its citations
- Meta AIno citations yet
The shares behind the rings
| Source type | Claude | Perplexity | Gemini | ChatGPT | Grok | DeepSeek | Google AIO | Google AI Mode | Meta AI |
|---|---|---|---|---|---|---|---|---|---|
| Personal | 2% | 2% | 2% | 1% | 1% | — | 1% | 1% | — |
| Brand | 33% | 29% | 33% | 40% | 36% | — | 32% | 33% | — |
| Government/Civic | 0% | 0% | 0% | 1% | 1% | — | 0% | 0% | — |
| E-commerce | 7% | 6% | 11% | 11% | 7% | — | 9% | 9% | — |
| News Publisher | 14% | 15% | 10% | 9% | 27% | — | 9% | 10% | — |
| Educational/Non-Profit | 6% | 5% | 8% | 16% | 5% | — | 11% | 11% | — |
| Platform | 12% | 13% | 12% | 7% | 8% | — | 13% | 11% | — |
| Utility/Tool | 6% | 7% | 5% | 4% | 5% | — | 9% | 10% | — |
| Other/Unclassified | 20% | 22% | 18% | 12% | 9% | — | 14% | 14% | — |
Pick your view
Everything is measured from real AI answers — six ways in, depending on the question you're asking. They interlock: the Category Report tells the story the Category Index ranks, the GEO Index and Source Index show which websites feed those answers, and the Methodology governs every figure on all of them. The bar at the top of every page carries you between them.
Live leaderboard
The AI Desire Index
What AI assistants want from a brand: attraction, affinity and attachment for every brand in every category, indexed and refreshed weekly.
Refreshed weekly
Data story
The Category Report
How AI shops for Britain: the brands ChatGPT, Claude and Gemini actually recommend across 20 consumer categories, told as an animated story.
Refreshed weekly
Live leaderboards
The Category Index
The board behind the story — every category ranked: brand visibility, citation share and how often a read page actually gets cited.
Refreshed weekly
Live leaderboard
The GEO Index
The websites AI search cites most — every model aggregated, with weekly movers and per-model and per-market editions.
Updated hourly
Explorer
The AI Source Index
Dig into which sources each model trusts, filterable by market — compiled into a quarterly report you can download as PowerPoint or PDF.
Updated hourly
Journal
Analysis & articles
The data journalism series — weekly citation movers, model vs model, what gets cited and why. Every edition reviewed before it publishes.
New articles weekly
Reference
Methodology
How every number is measured: real AI answers, counted not estimated, with sample sizes and limitations stated on every page.
The rules behind it all
Live leaderboards
Auto-updated reference pages: the current state of AI citation behaviour, refreshed hourly.
Live · updated hourly
The GEO Index · most-cited websites in AI search
All models · leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Claude
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Perplexity
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Gemini
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by ChatGPT
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Grok
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Google AIO
Leaderboard + weekly movers
Live · updated hourly
Most-cited websites by Google AI Mode
Leaderboard + weekly movers
GEO Index market editions: United Kingdom · Costa Rica · Peru · United States · Australia · Argentina · Colombia · France · Belgium · Brazil · Chile · Germany
Category storiesCar LeasingElectric CarsLuxury SUVs & 4x4sUsed CarsDermatological SkincareHaircareSoft DrinksOnline LearningUniversitiesEnergy SuppliersFuel & EV ChargingBetting & GamingStreaming ServicesVideo GamesBusiness BankingCredit CardsDigital Current AccountsInvestment PlatformsLife InsuranceMortgagesPayments & BNPLPensionsPrice Comparison SitesChocolateFood DeliveryFood-to-Go & BakeriesDiscount StoresSupermarketsDental CareHealth InsuranceOpticians & EyecarePain ReliefPrivate HealthcareVitamins & SupplementsBed-in-a-Box MattressesFurniture & HomewareHousehold Cleaning ProductsCar InsuranceHome InsuranceChampagne & CognacFashion & Leather GoodsFragrance & BeautyWatches & JewelleryPet CarePet InsuranceConveyancing, Wills & ProbateJob BoardsFitted KitchensProperty Portals & AgentsSolar & Heat PumpsConsumer Electronics & AppliancesFashion & ClothingMarketplaces & ResaleParcel DeliveryBudget GymsRunning ShoesBudgeting & Bookkeeping AppsCloud Storage & Web HostingLaptopsProductivity AppsSecurity Software & VPNsSmartphonesBroadbandMobile NetworksBudget HotelsLong-Haul AirlinesPackage Holidays, Cruises & Tours
Analysis
Weekly movers, model deep-dives, and the evidence on what makes content citable. Every edition is generated from the same warehouse the boards above render, and reviewed before it publishes.
AI Citation Movers · week commencing 31 Aug 2026
gov.uk gained 0.5pp AI citation share to 0.7%. Measured across 127,742 citations and 26,758 model responses for the week commencing 31 Aug.
Perplexity vs Google AIO: Where They Get Their Answers · August 2026
Two AI models, 114,314 citations in August 2026 — and clearly different reading habits.
AI Citation Movers · week commencing 24 Aug 2026
Measured across 80,661 citations and 16,083 model responses in the week commencing 24 Aug, google.com led weekly AI citation gainers.
Gemini vs ChatGPT: Where They Get Their Answers · July 2026
Two AI models, 63,430 citations in July 2026, and clearly different reading habits.
Claude vs ChatGPT: Where They Get Their Answers · July 2026
An analysis of 34,876 Claude citations and 12,478 ChatGPT citations reveals stark differences in source selection alongside moderate rank agreement.
Grok vs Google AI Mode: Where They Get Their Answers · May 2026
Grok and Google AI Mode reveal distinct citation habits across thousands of analysed responses, showing clear divergence in their source mixes.
Google AIO vs Google AI Mode: Where They Get Their Answers · June 2026
An analysis of citation patterns reveals how Google AIO and Google AI Mode diverge in their reliance on specific domains and platforms.
The AI Citations Report · Q2 2026
Across 623,900 citations over 13 weeks, BrandInsightAI's AI Source Index tracks the exact visibility patterns of top domains across 7 AI models.
What Gets Cited by AI · July 2026 Benchmarks
Feature lifts, winning formats, title language and the anatomy of quoted passages, benchmarks across 16 content audits spanning 6 projects.
Claude vs Perplexity: Where They Get Their Answers · July 2026
An analysis of July 2026 data reveals starkly different reading habits between Claude and Perplexity, from video platforms to encyclopaedias.