SEO vs. GEO: What's the Difference?

By Sofiane Jelloul, founder of Scaly AI · Published November 6, 2026 · Updated November 10, 2026 · 2 min read

SEO helps you appear in search engine results. GEO (Generative Engine Optimization) helps you appear in the answers written by AI tools like ChatGPT, Gemini, Perplexity, and Google’s AI summaries. Both rest on the same foundation: a site that’s clear, reliable, and easy to cite.

What changes

A search engine gives people a list of links. They compare, click, and choose. An AI tool gives them an answer that’s already written, sometimes with a few sources. Often, those sources are all they see.

That makes being cited as important as being ranked. A business that’s missing from the answer doesn’t exist for the person asking. And more and more, your customers ask AI directly.

What doesn’t change

Good content is still the foundation. Both approaches reward a site that’s clear, fast, and trustworthy. A page that truly answers a question is more likely to be read, ranked, and cited.

The core work is the same: know which questions your customers ask, and answer them better than anyone else.

What AI tools look at

An AI tool doesn’t cite a page at random. It looks for an answer it can repeat safely. Four things matter.

• Clear content. One idea per section, a short answer at the top of the page, plain sentences. A sentence that stands on its own is easier to quote.
• Verifiable facts. Definitions, timelines, prices, terms. A precise fact earns more trust than a vague promise.
• Consistent details across the web. Your name, address, offers, and prices should match everywhere: on your site, your listings, and the sites that mention you. Contradictions create doubt.
• Structured data. These are tags visitors never see but machines can read. They state who you are, what you sell, and which questions you answer. An llms.txt file can also summarize your site for AI tools.

Where to start

• Ask an AI tool your customers’ questions and see who it cites.
• Open each page with a short, factual answer.
• Share verifiable facts: definitions, timelines, real numbers.
• Add an FAQ to your key pages.
• Check that your business details are the same everywhere.

Most important of all, measure. Every month, ask the same questions again and note where you’re cited. It’s the only way to know whether your work is paying off.

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