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GEO vs SEO vs AEO: the AI-search acronyms, decoded

Every month a new three-letter acronym promises to replace search. Most describe overlapping ideas with different emphasis. Here's what GEO, SEO and AEO actually mean, where they differ, and how to decide which deserves your budget.

The three terms, plainly

AEO is best understood as the bridge: it grew out of SEO's fight for featured snippets and voice answers, and its tactics — structured content, direct answers, schema — carry straight into GEO. GEO is the newest and broadest, because generative engines synthesize across many sources rather than surfacing one page.

Where they overlap

Clean technical foundations, genuine expertise, structured content and a legible brand help all three. A fast, crawlable, schema-rich site with clear answers is table stakes everywhere. If someone sells you "GEO" that ignores your technical SEO, be skeptical — you can't be cited by an engine that can't read you.

Where they diverge

• Unit of victory. SEO wins a position; AEO wins a snippet; GEO wins a citation inside a synthesized answer.
• Authority signal. SEO leans on links; GEO leans on cross-source consensus about your entity.
• Failure mode. SEO's is page two; GEO's is not existing in the conversation at all.

How to budget

If most of your revenue comes from transactional or local searches, weight SEO. If buyers research categories and ask AI for recommendations, move budget toward GEO faster. We lay out the full allocation framework in SEO isn't dying, it's splitting in two, and run both as one program in our SEO and GEO practices.