Answers
What does AEO mean?
AEO means answer engine optimization: the practice of getting a brand named and cited inside the answers that ChatGPT, Perplexity, Claude, Gemini and Google AI Overviews generate. In marketing contexts AEO always refers to this; the same letters are also a clothing retailer's stock ticker, which is unrelated.
Updated 2026-09-23
TL;DR
Key takeaways
- AEO = answer engine optimization, the AI-answer equivalent of SEO.
- GEO and LLMO are near-synonyms used by different vendors.
- The unit of measurement is the prompt, not the keyword.
- Share of voice = prompts that named you divided by prompts run.
- Prominence and sentiment matter as much as whether you appeared.
AEO, GEO, and LLMO: are they different?
AEO, GEO and LLMO describe the same work under different names: getting cited inside AI-generated answers.
AEO (answer engine optimization) is the most widely used term. GEO (generative engine optimization) was popularized by academic work on the same problem and is common among agencies. LLMO (large language model optimization) shows up mostly in technical writing.
Treat differences in the terms as vendor preference rather than substance. If a definition claims one of them covers something the others do not, check whether that distinction survives contact with the actual workflow.
Core AEO terms, defined
The working vocabulary of AEO is prompt battery, share of voice, prominence, sentiment, citation, grounding, and retrieval.
These are the terms that appear in every serious AEO report. Learning them is most of the onboarding.
- Prompt battery — a fixed, versioned set of buyer questions run repeatedly so results are comparable over time.
- Share of voice — the share of runs in which your brand was named, measured against a defined competitor set.
- Citation — a linked or named source inside a generated answer; typically only three to eight make it in.
- Prominence — where in the answer you appear; a first-sentence mention outweighs a footnote.
- Sentiment — how the answer frames you, for example as the expensive option or the safe default.
- Grounding — an engine fetching live sources at answer time rather than relying on training data.
- Retrieval — the step where an engine selects which passages to synthesize; the real competition point in AEO.
- AI Overview — Google's generated answer block above the organic results.
Terms that mean something different in AEO than in SEO
Ranking, impressions and traffic all change meaning in AEO, which is why importing SEO reporting directly produces misleading conclusions.
In SEO a ranking is a position on a results page. In AEO there is no page of positions; there is inclusion or exclusion from one answer, then prominence within it. A brand can be invisible in rankings and dominant in answers, or the reverse.
Traffic is the trap. A large share of AI-answer sessions never produce a click, so a channel that is materially shaping shortlists can look like a channel that is dying if you judge it by sessions alone.
- Ranking → inclusion plus prominence inside a single answer.
- Impressions → runs in which your brand could have been named.
- Traffic → an unreliable proxy; measure mentions and influenced pipeline.
- Keyword → prompt, phrased the way a buyer actually types it.
FAQ
Frequently asked questions
What does AEO stand for?
AEO stands for answer engine optimization: optimizing to be named and cited inside AI-generated answers rather than ranked as a link on a search results page.
Is AEO part of SEO?
AEO overlaps with SEO on technical foundations such as crawlability, structured data and entity consistency, but differs in unit of measurement, content structure and reporting. Most teams run them as one program with two scorecards.
What is AEO in marketing?
In marketing, AEO is the discipline of making your brand the source AI assistants cite when buyers ask category questions, measured as share of voice across a fixed prompt battery.
Does AEO mean something else?
Outside marketing, AEO is most commonly the stock ticker for a clothing retailer, and in government contexts an equal opportunity office. In any AI search discussion it means answer engine optimization.
Next step
See where your brand actually stands.
The free grader runs a sample prompt battery against your domain across ChatGPT, Perplexity, Claude, Gemini, and Google AI Overviews, then returns a scored report you can download as a PDF. No credit card.