LLM SEO
LLM SEO
Led growth at cnvrg.io before its acquisition by Intel.
LLM SEO, GEO, AEO, AI SEO and ChatGPT SEO are five names for one discipline: getting large language models to cite your site inside their answers. This page is the map, so you stop buying the same thing five times.
The fastest way to waste budget in 2026 is to hire one vendor for GEO, another for AEO, and a third for LLM SEO, and pay three times for the same work. These are not three disciplines. They are one practice wearing five labels.
LLM SEO is the work of getting a large language model to retrieve, trust and cite your pages when it composes an answer. Whether a vendor calls it generative engine optimization, answer engine optimization, AI SEO or ChatGPT SEO, the work can overlap in content, access, identity and measurement, but systems and observations differ by engine and mode. This page exists to settle the vocabulary so you can buy the outcome once. When you are ready for the hire, that is the LLM citation consultant role.
The term map
LLM SEO and its four synonyms, defined
LLM SEO
The broadest label: optimizing so any large language model, in any product, cites you. Useful when you do not want to tie the work to one engine or one vendor's branding. It is the umbrella this page sits under.
GEO, generative engine optimization
The academic and industry-standard term, framed from the search index outward. If you want the strategy and the operator track record behind the work, that lives on the GEO consultant page, and the productized deliverables on GEO services.
AEO, answer engine optimization
The same work, framed from the buyer's question inward, focused on engines that compose a single answer. See AEO services for that cut. AEO and GEO are interchangeable in practice.
AI SEO and ChatGPT SEO
Consumer-friendly labels, usually used when the buyer is thinking specifically about ChatGPT or about AI search in plain language. They describe no different work; they are search terms, not separate services. Treat them as entry points to the same discipline.
Why it is one discipline
Five names, one set of signals
Content, access, identity and measurement are useful areas to review across these labels. The relevant systems and observations can differ by engine and mode; agree the actual work and avoid paying twice for the same deliverable.
SaaS sites benchmarked
61
State of AI Search 2026
Scored 60 or below
56%
AI-search visibility
Levers that decide citation
4
Same under every label
- ✓Review overlapping content, access, identity and measurement work; record engine and mode differences separately.
First, citable answer blocks: passages a model can lift cleanly, with a question, an answer and a number up front. Second, machine access: the AI crawlers can reach your pages and the facts are in valid JSON-LD. Third, entity clarity: a model can resolve who you are across Wikidata, LinkedIn and the knowledge graph. Fourth, corroboration: your claims are backed by primary sources or original data.
Any honest LLM SEO, GEO, AEO or AI SEO engagement works these four levers. If a vendor sells you one label as if it were a unique science, that is a pricing tactic, not a discipline.
Whatever name a vendor uses, readiness can be scored: the historical June 23, 2026 report rated 61 SaaS and AI sites against the v1.12.0 AI Search Readiness rubric, and 56% came in at 60 or below. This is a dated rubric result. Observed AI citation share, recommendations, referral traffic and revenue are separate measures it does not cover.
How to buy it
How to buy LLM SEO without getting played
Once you know the five terms are one discipline, buying LLM SEO gets simple. You are not choosing between services; you are choosing an entry point that matches where you are.
If you do not yet know whether AI engines cite you, start with a diagnostic: the GEO audit gives you a 0-100 score and a gap list, so you buy the work knowing the size of the problem. If you already know you have a problem and want it fixed, skip to the LLM citation consultant engagement and the productized GEO services that ship the deliverables.
If you only want to understand the field before spending anything, read the State of AI Search benchmark and the GEO consultant overview first. The mistake to avoid is buying by label. A vendor who quotes you separately for GEO, then AEO, then LLM SEO is either confused or counting on you to be.
Ask any LLM SEO vendor one question: which of the four levers, citable blocks, machine access, entity clarity and corroboration, will you ship, and how will I see the citation move. If they answer in deliverables and measurement, they do the work. If they answer in labels and billable hours, they are selling you vocabulary at a markup.
The work is the work under every label. A vendor who quotes you separately for GEO, then AEO, then LLM SEO is either confused or counting on you to be.
One more filter saves you the most money: ask to see a live citation, a real query where the vendor moved a brand from uncited to cited inside an answer, with the before and after. Anyone who has actually done LLM SEO can show you one. Anyone who only renames the service cannot, because renaming a thing does not get it cited. The work is the work under every label, and the work is the only thing that earns the citation.
The common thread across every label is access: the model has to be allowed to fetch your page. You can verify that against each crawler's published behavior, for example OpenAI's bot documentation. No access, no citation, whatever you call the work.
Next step
Buy the outcome once, not the label five times
Now that the vocabulary is settled, the only real decision is whether you want a diagnostic first or to start the work. Get your GEO audit for the score, or talk to the LLM citation consultant to start getting cited.

Deciding who should own this work? See how to vet a GEO expert before you brief anyone.
FAQ
Frequently asked questions about LLM SEO
What is LLM SEO?
LLM SEO is the practice of getting large language models such as ChatGPT, Perplexity, Gemini and Google AI Overviews to retrieve, trust and cite your site inside their answers. It works four levers: citable answer blocks, machine access for the AI crawlers, clean entity identity, and corroborated claims. It is the same discipline as GEO, AEO, AI SEO and ChatGPT SEO under a different name.
Is LLM SEO the same as GEO and AEO?
The labels often overlap in content, access, identity and measurement work, but they do not imply identical systems or known citation signals. Agree the buyer task, engines and modes, outputs and review measures, and avoid duplicate billing for the same deliverable.
Do I need a separate vendor for each of these?
A single operator can coordinate overlapping work, including personal implementation. Specialist support may still be useful for the actual scope. Compare responsibilities and deliverables rather than assuming every vendor using a different label sells identical work.
Where do I start with LLM SEO?
Start with a diagnostic to see who the engines cite for your buyer queries today, then execute. The GEO audit returns a 0-100 score and a build order, and the LLM citation consultant engagement does the work. Because the category is early, the first fixes are usually fast and compound quickly.
How do you measure whether LLM SEO is working?
I measure it with citation-share monitoring: how often each engine names your brand across your priority buyer questions, tracked over time against a baseline. I build a prompt set covering the questions your buyers type across your category, then run them through each model and log which brands get cited and which get ignored. Then I tie cited prompts to buying intent, sessions, and conversions, so you know which AI citations produce pipeline and which are noise.
Can anyone guarantee that ChatGPT will cite my brand?
No. No honest consultant can guarantee a model output. A page can rank first on Google and never be quoted by a model. I can review access, accuracy, useful evidence and page structure, implement agreed changes, and repeat comparable answer checks. The engine decides whether to include or cite a source.
What should I ask an LLM SEO vendor before hiring?
Ask which of the four levers they will ship and how you will see the citation move. Also ask to see a live citation, a real query where the vendor moved a brand from uncited to cited inside an answer, with the before and after. If they answer in deliverables and measurement, they do the work. If they answer in labels and billable hours, they are selling you vocabulary at a markup.
How is LLM SEO different from classic SEO?
Classic SEO places a page in a ranked list, and there is a second page to fall back on. LLM SEO is about being named inside a synthesized answer, where no second chance exists. A high Google ranking does not mean a model trusts you enough to quote you; trust signals and measurement work differently.
Which AI engines do you optimize for?
I optimize for ChatGPT, Claude, Perplexity, and Google AI overviews, with monitoring across the major engines your buyers actually use. The first pass of the work is measurement: I build a prompt set across your category and log who gets cited and who gets ignored, model by model.
Are you available to take on new LLM SEO work, and how fast do you reply?
Before any LLM SEO work starts, I agree scope, time commitment and availability for the client or project. If you contact me, you reach me, not an agency inbox or a junior account manager. I read each message myself and answer within 1 business day.
How long is the contract, is there a minimum term, and how do I end it?
Contract terms, including duration and notice period, are agreed per engagement. Ending a fractional engagement involves no severance. Scope and exit terms are agreed before we start. If progress stalls, we review the scope and next steps under the agreed contract terms.
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Fractional Head of Growth for B2B SaaS, B2C, and e-commerce. Revenue that compounds, not spikes. Any channel, any motion, any stage.
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