AEO vs GEO vs AI SEO: Different Names for the Same Service?
Largely, yes: most of the work sold under the AEO, GEO and AI SEO labels consists of the same deliverables — content built around questions, structured data, crawlable pages and consistent brand information. The real difference between them lies not in the name but in the surface being targeted and the unit success is measured in: AEO aims to be selected as a short, direct answer to a question, while GEO aims to be mentioned in the answer written by generative engines such as ChatGPT, Gemini, Perplexity or Google AI Overviews.
The distinction looks small on paper but grows at the negotiating table. A business that receives an "AEO package", an "AI SEO service" and a "GEO project" proposal in the same month may assume the three documents describe three different jobs. Most of the time they do not. Sometimes the opposite happens: two proposals carrying the same name sell entirely different things.
This article separates the terms not by their history but from the buyer's point of view: in what sense each label is used on the market, which surface it targets, how it is measured, and what the terms in a service proposal tell you — and what they leave out.
What is AEO, and which answer surfaces does it target?
AEO (Answer Engine Optimization) is the name for work aimed at being selected as a short, direct answer to a question. The goal is not to sit high in the results list; it is to get into the answer area shown above the list or in place of it.
The surfaces meant when the market says AEO fall under four headings:
- Featured snippet: a short excerpt taken from a page, at the very top of the results page.
- "People also ask" box: the area where related questions are listed with expandable answers.
- Voice assistant answer: the case where a phone or a speaker reads out a single answer.
- Direct answer inside AI Overviews: the short response given at the start of the overview.
What these surfaces have in common is that they give one answer to one question. AEO's typical deliverables follow from this: writing the question as a subheading, finishing the answer within the first two sentences, keeping the definition understandable on its own, and making the question-and-answer structure machine-readable with markup. The success question is just as plain: were we selected for the answer area on this question, or not?
AEO vs GEO: where does the common ground end?
We will not define GEO from scratch here; we explained in detail where generative engines part ways with classic search in our article on what GEO is. This section's question is narrower: where is the work under the two labels the same, and where does it differ?
The common ground is wide. Both need content built around questions. Both rely on the page reaching the crawler as full HTML, on structured data matching the information visible on the page, and on brand information not contradicting itself across sources. One provider may write these items under the AEO name and another under the GEO name; the deliverable is the same.
The divergence begins in two places.
Unit of measurement. In AEO the unit is a single answer area and the result is binary: you were selected or you were not. In GEO the unit is the answer an engine produces to a question, and more than one brand and source can appear in that answer. Your brand may be mentioned but not cited as a source; your site may be cited as a source while your name does not appear in the recommendation. Because the source selection logic of generative systems cannot be seen from outside and can change without notice, a screenshot of a single query proves nothing; the same question set has to be asked again at a regular interval.
Content format. For a short answer area, a single well-written definition paragraph is often enough. A synthesised answer, by contrast, builds its response by blending several sources. A page that repeats the definition everyone writes can easily be swapped for another page there; what cannot be replaced is information found in no other source: your own process, your own service scope, comparisons in which limits and exceptions are spelled out. The paragraph-level writing discipline stays common to both sides; you can find the details in our guide to content optimization for large language models.
AI SEO, AIO and LLMO: what do the umbrella labels describe?
The boundaries of these three labels are even blurrier than those of AEO and GEO. Rather than setting a strict definition, it is more honest to write down the sense in which they are used on the market.
What is AI SEO? In most proposals it is used in the same sense as GEO: being visible in AI engines. The Turkish phrase "yapay zeka SEO" (AI SEO) usually carries this meaning too. But the same label sometimes describes an entirely different job: SEO done with AI tools. The next section is devoted to this confusion, because the most expensive misunderstanding in a proposal comes from here.
AIO (AI Optimization) circulates as a similar umbrella. Sometimes it means AI overviews, sometimes AI visibility in general. On its own it does not state a scope.
What is LLMO? LLM Optimization, that is, optimization for large language models. Its focus is what language models know about your brand and which source they quote. Although it sounds like a separate discipline, in practice its deliverables largely overlap with GEO: consistency of entity information, quotable paragraphs, crawler access. The label tells you what the party choosing it wants to emphasise; on its own it does not change the task list.
"Yapay zeka ile SEO" (SEO with AI) and "yapay zeka için SEO" (SEO for AI) are not the same service
When you type "yapay zeka seo" (AI SEO) into the search box in Turkish, autocomplete suggests two separate phrases: "yapay zeka ile SEO" (SEO with AI) and "yapay zeka için SEO" (SEO for AI). A single preposition separates two different jobs.
"Yapay zeka ile SEO", SEO with AI, is classic SEO work carried out with AI tools. Tasks such as keyword clustering, drafting content, writing meta descriptions and summarising technical crawl output speed up. This is a productivity choice. The target surface does not change: the work is still done to gain positions in the results list and is still measured by ranking and organic clicks.
"Yapay zeka için SEO", SEO for AI, changes the target instead. Here AI is not a tool but the place you want to be seen: the answers built by ChatGPT, Gemini, Perplexity and AI Overviews. The work is built around these engines being able to access your site, read your page and mention you in the answer. The measurement changes accordingly: instead of a ranking position, being mentioned and being cited as a source on specific questions.
The problem is that both jobs can be sold under the same label. A proposal titled "AI-powered SEO package" may be a classic SEO service that speeds up content production. There is nothing wrong with that; but if you bought that proposal to appear in AI answers, the deliverables list may not contain a single item aimed at that goal. The shortest way to find out is a single question: in this service, is AI a tool or a target? We listed item by item which components should exist on the classic search side on our SEO service page.
Six labels in one table
The table below was prepared not to draw strict boundaries between the terms, but to show which question each label opens up in a proposal. The rows reflect common usage on the market.
| Term | Target surface | Typical deliverables | How it is measured | The question that clarifies it |
|---|---|---|---|---|
| SEO | Search results list | Technical fixes, keyword targeting, content, internal links | Ranking, impressions, organic clicks | "Which queries do we rank for, and in what position?" |
| AEO | Featured snippet, "People also ask", voice answer, direct answer in AI Overviews | Question headings, answer in the first sentence, definition paragraph, question-and-answer markup | Whether you are selected for the answer area on the target question | "Which questions' answer areas are we targeting?" |
| GEO | The answer synthesised by ChatGPT, Gemini, Perplexity and AI Overviews | Visibility audit, entity consistency, structured data, AI crawler access, question-based content | Mentions and citations on a fixed question set, repeated measurement | "On which engines, with which questions, and how often do you measure?" |
| AI SEO / AIO | Mostly the same as GEO; sometimes vague | Varies with the definition | Varies with the definition | "What surface exactly do you mean by this label?" |
| LLMO | What language models know about the brand, and what they quote | Entity information, quotable content, crawler access | How the model describes the brand, which source it cites | "What do you use to measure how the model describes us?" |
| "Yapay zeka ile SEO" (SEO with AI) | Search results list (unchanged) | SEO tasks sped up with AI tools | Ranking, impressions, organic clicks | "Is AI a tool here or a target?" |
The most useful column is the last one. When you ask that question instead of reading the label, which row the proposal falls into is usually clear from the first answer.
When does a label signal a real difference?
Most labels are a marketing choice, but sometimes they point to a real difference in scope. You can tell not by looking at the label but by looking at three things.
If the unit of measurement changes, the difference is real. Work that targets only the featured snippet says in its report "we won the answer box on these questions" and looks at a single search engine. Work that aims to be a source in the generative answer reports several engines, a fixed question set and repeated measurement. Put the two reports side by side and you see the same content effort pointed at two separate targets.
If the deliverables list contains items specific to the label, the difference is real. Checking robots.txt permissions for GPTBot, ClaudeBot, PerplexityBot and OAI-SearchBot, an llms.txt file, or the page arriving full from the server are items aimed at generative engine access. If none of these appears in a proposal headed "GEO", the label may not carry any scope.
If the engines are named, the difference is real. "All AI platforms" is not a scope. The label gains meaning once it is written down which engines are in and which are left out.
The reverse also holds: if the deliverables list and report template are identical to the same provider's classic SEO proposal, the label is only a shop window. The service may not be bad; you are simply not buying anything new. Our AI Overviews article looks separately at how the AI Overviews surface, which produces both short answers and syntheses, affects businesses.
What do you lose when the same work is sold under two labels?
The term confusion has two concrete costs for the buyer.
The first is paying twice. Imagine buying SEO from one provider and an "AEO package" from another. Both deliverables lists may include question-headed content, structured data and technical fixes. Two parties touch the same pages, and you pay twice for the same work; worse, one party may undo the other's edits without realising it.
The second is a gap. Each side may assume an item belongs to the other. Nobody checks whether AI crawlers can get into the site, because the SEO provider counts it as "AI work" and the AEO provider as "technical work". On paper everything is in scope; in practice nobody is responsible.
The fix is the same for both: merge not the labels but the deliverable items into a single list, and write one owner next to each item. If the same item appears on two lines, you are paying twice; if it appears on no line, there is a gap.
Six questions for reading a proposal by its deliverables rather than its label
We gathered the general criteria for choosing a supplier — team, reporting, contract and warning signs — into twelve criteria in our guide to choosing a GEO agency. The six questions below are only for closing the ambiguity that the term confusion creates:
- Which surface do you mean by this label: the results list, the answer box, the generative answer, or all of them?
- In which unit will you report success: ranking, selection for the answer area, mentions or citations?
- Can you name the engines in scope, and which ones are left out?
- In which items does the deliverables list differ from your classic SEO proposal?
- In this service, is AI a tool you use, or a target where we want to be seen?
- If we changed the label — say, called it GEO instead of AEO — what would drop off the deliverables list, and what would be added?
The last question was put last on purpose. If the answer is "nothing changes", the label is a product name and not worth arguing about; the place to look is the deliverables list. If the answer lists concrete items, the provider has drawn the line between the two labels for you.
Which surface is the priority for your business?
Which label the provider uses is their choice; which surface takes priority is your decision, and you can work it out from your customer's question.
If your customer's question can be answered in one sentence (how to obtain a document, how many days a procedure takes, whether you are open on Saturdays), short answer areas come first and the writing discipline in the language of AEO is directly useful. If the question involves a choice (which firm should I work with, which of two methods suits me, what can be done with this budget), the answer becomes a synthesised text that weighs several options, and being mentioned there requires separate work.
Most businesses' customers ask both kinds. So the practical decision is not "AEO or GEO" but how much of your question list falls into which kind. Drawing up that list is the cheapest thing you can do before evaluating any proposal.
Why does Next GEO Agency use the "GEO" label?
We call our service GEO because the unit we measure is the generative engines' answer: the real questions in your sector are asked one by one on ChatGPT, Gemini, Perplexity and Google AI Overviews, and the same question set is asked again at a regular interval. The writing discipline that targets short answer areas — the question being a subheading and the answer given in the first paragraph — is already part of this work; we do not sell it as a separate AEO item. We set out the six work items and the four-phase process openly on our GEO agency page. If you have proposals that came in under different labels, you can contact us with a free business analysis request to read them together by their deliverables.
Frequently Asked Questions
What is AEO, and how is it defined in short?
AEO, or Answer Engine Optimization, is work aimed at being selected as a short, direct answer to a question. The targeted surfaces are the featured snippet, the "People also ask" box, the answer read out by voice assistants and the direct answer inside AI Overviews. Typical deliverables are writing the question as a subheading, giving the answer within the first two sentences and keeping the definition understandable on its own. Success is measured by whether you are selected for the answer area on the target question.
What is the difference between AEO and GEO?
Both are built on question-based content, structured data and crawlable pages; most of the deliverables are shared. The difference lies in the target surface and the unit of measurement. AEO targets a single answer area and the result takes the form of selected or not selected. GEO aims to be mentioned or cited as a source in the answer synthesised by ChatGPT, Gemini, Perplexity and AI Overviews; that is why it is measured on several engines, with a fixed question set, repeated at a regular interval.
Are AI SEO and GEO the same thing?
On the market they are mostly used in the same sense: being visible in the answers of AI engines. However, the "AI SEO" label and its Turkish form "yapay zeka SEO" sometimes also describe a completely different service — speeding up classic SEO work with AI tools. In that second sense the target surface does not change; the work is still done for positions in the results list. To find out which is meant, it is enough to ask the provider whether AI is a tool or a target in this service.
What is LLMO, and is it a separate service from GEO?
LLMO stands for optimization for large language models and focuses on influencing what models know about the brand and which source they quote. In practice its deliverables largely overlap with GEO: consistent entity information, quotable paragraphs and AI crawlers being able to access the site. Before buying it as a separate service, comparing its deliverables list with the GEO or SEO proposal you already have keeps you from paying twice for the same work.
Does it matter which label is written in the proposal?
A label on its own does not state a scope; the same deliverable can be sold under different names, and different deliverables under the same name. What matters is three pieces of information: the targeted surface written out clearly, the unit in which success will be reported, and the engines in scope listed by name. If these three are missing from the proposal, the label is only a product name. If they are there, you can read the real difference between the labels from the deliverables list.