You need all three, one after another. Start with SEO if your pages do not rank. Fix AEO if they rank but lose the answer box. Fix GEO if the engines still never name you. The three are layers of one page, not three programs. A three-question test at the end finds which layer is broken.
Key takeaways
- AI chatbots now shape B2B vendor shortlists more than review sites and vendor websites do, per G2's 2025 survey of 1,100+ buyers.
- You can win the ranking and still lose the mention. A rank report tracks links and says nothing about names.
- The paper that coined GEO found statistics, quotations and citations lift visibility by up to 40%. Keyword stuffing did worse than doing nothing.
- Blesso's case study shows the gap in numbers: the share of buyer questions where an engine cited the client rose from 12% to 31%.
- Three questions separate the disciplines: do you rank, are you the answer, are you cited? Each points at a different fix.
What is the difference between AEO vs GEO vs SEO?
One line: SEO earns the ranked link. AEO earns the answer an engine extracts and shows. GEO earns the citation inside an answer an AI model generates. Two criteria separate the three: the surface where the win appears, and the measure you read to know you are winning.
| Discipline | What it wins | Where the win appears | How you measure it |
|---|---|---|---|
| SEO, search engine optimization | A ranked link a buyer can click | Google and Bing organic results | Rankings, clicks, impressions |
| AEO, answer engine optimization | The direct answer, lifted from your page and shown above the links | Featured snippets, People Also Ask, voice answers | Answer-box ownership per question |
| GEO, generative engine optimization | A citation inside an answer the model generates | ChatGPT, Perplexity, Claude, Gemini, Copilot, Grok, Google AI Overviews and AI Mode | Citation share per engine |
SEO: earn the ranked link
Search engine optimization is the oldest layer and the floor the other two stand on. It earns your page a place in the list of links by making the page crawlable, fast, relevant and well linked. The scoreboard reads rankings, clicks and impressions, the numbers SEO teams tracked for years.
Google's documentation for AI features states that SEO best practices stay relevant for AI Overviews and AI Mode, and that no additional requirements apply. An engine cannot extract or cite a page it cannot find.
AEO: earn the extracted answer
Answer engine optimization wins the box above the links. An engine pulls a passage straight off your page and shows it as the answer. The box is a featured snippet, a People Also Ask row or a voice reply. In all three cases the engine quotes your words instead of generating new ones.
The unit of work is the passage, not the page. AEO asks for question-shaped headings, a short direct answer under each one, and blocks a machine can lift whole. A page can rank for a question and still lose the box to a shorter, cleaner answer. AEO came from featured snippets and voice assistants, so it predates large language models.
GEO: earn the citation in the generated answer
Generative engine optimization wins a different surface. When a buyer asks ChatGPT or Perplexity for a shortlist, the model writes its own answer from several sources and names some of them. GEO is the work of being among the named. The term comes from a 2023 paper presented at KDD 2024, a research conference. The authors work at Princeton, Georgia Tech, the Allen Institute for AI and IIT Delhi.
The paper tested content changes under controlled conditions. Adding statistics, quotations and citations lifted visibility in generated answers by up to 40%, while keyword stuffing did worse than doing nothing.
The lever depends on presence beyond your own site. Models lean on how your brand appears across the web they draw from. G2, the software review marketplace, surveyed more than 1,100 software buyers in 2025. It found AI chatbots are now the number one source shaping B2B vendor shortlists. Review sites and vendor websites follow. Gartner, the analyst firm, predicts traditional search volume drops 25% by 2026 as buyers move questions to AI chatbots. The scoreboard for all of it is citation share: the share of tracked questions where an engine names your brand.
Rank well and still go uncited
Blesso, the AI-native B2B go-to-market company that publishes this blog, runs distribution as a done-for-you service across three motions: outbound, inbound and AEO/GEO. Its AEO/GEO motion starts with weekly sweeps of the engines that answer buyer questions. Ask the same question on two surfaces and you can get two different shortlists.
Its published case study with Searce, the Anthropic partner that built Blesso's citation tracker, shows the gap in numbers. Median client citation share, the share of tracked buyer questions where an engine names the client, rose from 12% to 31%. The time from finding a citation gap to publishing against it fell from 14 days to 4 days. Median monthly non-branded organic traffic per customer climbed from 10,000 visits to 15,000.
A ranking gap and a citation gap are different problems.
The case study explains why the distinction matters. The keyword you rank poorly for may cost you nothing. The question where the model had nothing of yours available to cite can cost the deal, and that question often matches no keyword you track. As the case study puts it, an AI answer has no page two.
Which one do you need? Ask three questions
Each discipline fixes a different failure. The three questions below tell you which failure you have. Run them on your ten most important buyer questions, and the answer names the discipline to fix first.
- Do you rank? Search each question in Google. If your pages miss page one for the questions that matter, start with SEO. The other two layers can only work from a page the engines already find.
- Are you the answer? Look above the links. Does the answer box quote you, or a competitor? If you rank but lose the box, the fix is AEO. Rewrite the page answer-first, with a short direct answer under each question-shaped heading.
- Are you cited? Ask ChatGPT, Perplexity and Claude your buyer questions in your buyer's words. Count how often each engine names you. If you rank, own the box and still lose the mention, the fix is GEO. The gap is third-party presence and citable assets.
The third question is the one rank reports cannot answer. If you already pay for AEO and the engines still name competitors, the alternatives to AEO services article on this blog covers the four options.
One page can win all three
One page can carry all three jobs. Write it answer-first and a model can lift it. Put the comparison in a table and a model can quote it. Earn the citations and a model can name it. This page runs the method: a direct answer under the title, a table for the comparison, and headings that ask the buyer's questions.
The three jobs draw on one page because each layer needs the one below it. A page a model cannot read cannot be lifted or cited. A buyer quoted three retainers for one page should ask what each one ships.
FAQ
Are AEO and GEO the same thing?
Almost. Both names describe one job: making AI engines name and cite you when they answer buyer questions. In strict use, AEO is the older, wider term. It also covers extractive answers such as featured snippets and voice replies. GEO is the newer term for answers a model generates. Providers sell them as one service.
Do I need AEO or GEO if I already rank well?
Yes, if AI engines matter to your buyers. Ranking and citation sit on different scoreboards. A page can sit on page one and still go unnamed in the engines.
Is GEO the same as creating content with AI?
No. Generative AI content means using a model such as ChatGPT or Claude to draft. GEO means structuring content and presence so AI engines cite you. One drafts. The other earns citations.
How do I measure whether AI engines cite me?
Fix a list of the buyer questions that matter. Run each one in ChatGPT, Perplexity and Gemini every week. Log which brands each engine names. Your citation share is the share of questions where your brand appears. A spreadsheet covers it.
How much do AEO and GEO services cost?
Mid-market AEO retainers run about $2,000 to $10,000 a month in 2026, per OpenLens, an AI-search tracking platform whose benchmark covers 60+ proposals. The alternatives to AEO services article on this blog compares the four paths and their prices.The difference between SEO, AEO and GEO stops mattering once you know which gap you have. Run the three questions. When the engines name competitors where buyers ask about your category, Blesso runs AEO/GEO as one of three motions. The motion ships pages to your domain and sweeps the engines every week. See the AEO/GEO service, or book a call.