Open ChatGPT right now and ask it where to buy something you sell. If your brand doesn't come up, neither will your next customer.

That's not a hypothetical. Eighty-four percent of B2B buyers now use AI tools for vendor research. A year ago, that number was twenty-four percent. Most marketing teams just haven't budgeted for that shift yet — they're still pouring money into Google rankings while their customers ask AI before they ever see a search results page.

The watchout: The marketing industry has added two new acronyms to describe what's happening — AEO and GEO. Half the people using them can't keep the definitions straight. Before you fund anyone's "GEO strategy," you need to know what you're actually buying.

If someone on your leadership team needs to see this, forward it their way.

In plain numbers:

Roughly 60% of Google searches now end without a single click to any website. When an AI Overview appears at the top of the page — and Google's AI Overviews now show on about 48% of searches, per BrightEdge's February 2026 data — that zero-click rate climbs to 80%+. In Google's full AI Mode, it hits 93%. Your customer asks a question. Google answers it. Your site never sees them.

The CTR damage is just as steep. Seer Interactive's September 2025 study tracked 3,119 informational queries across 25 million impressions. When an AI Overview appeared, organic CTR fell 61% — from 1.76% to 0.61%. That's not a slow erosion. That's a cliff.

The most uncomfortable finding for anyone still chasing rankings: the overlap between top-10 Google rankings and AI Overview citations has collapsed. In mid-2025 it sat around 75%. By early 2026, the overlap is somewhere between 17% and 38% depending on the category. Ranking #1 on a Google search results page no longer predicts whether AI will cite you in its answer. Two different games, played by two different sets of rules.

This is the shift the three acronyms are trying to describe. If you don't know the difference between them, you can't have an honest conversation with your marketing team about where the budget should actually go. So let's get the definitions out of the way.

SEO — Search Engine Optimization. The original. The thing that's paid the bills for the last 20 years. You optimize your website so Google ranks it higher in the blue-link results. Keywords, backlinks, page speed, mobile-friendly, structured data. The goal is a click — the user sees your listing on Google, picks yours, lands on your site.

AEO — Answer Engine Optimization. You structure your content so it gets pulled as the direct answer. Featured snippets at the top of Google. The "People Also Ask" boxes. Voice assistants reading your paragraph aloud. The summary at the top of an AI Overview. The goal isn't necessarily a click — it's being the answer. Sometimes you get a citation. Sometimes you just get quoted.

GEO — Generative Engine Optimization. You structure your content so generative AI systems — ChatGPT, Perplexity, Gemini, Claude, Microsoft Copilot — cite you when they synthesize an answer. The goal is to be referenced in the response itself, not to rank in a results page that the user may never see.

One thing the marketing industry doesn't love saying out loud: AEO and GEO describe largely the same discipline with different vocabularies. Conductor's 2026 benchmarks report found that 59% of SEO influencers reference GEO — but fewer than a third of them use the term consistently within a single piece of content. GEO is the preferred term in ecommerce and academic contexts. AEO is preferred in B2B. The underlying work — structured content, clear authority signals, citation-worthy formatting, fresh data — is roughly identical.

So if you've been confused, you weren't being slow. The category itself is unsettled.

What isn't unsettled is the work itself. The research is now clear on what actually drives AI citations. Here's what to do.

These are the five things that move the needle for getting pulled as a direct answer — in Featured Snippets, "People Also Ask," voice results, and the answer block at the top of an AI Overview.

GEO overlaps with AEO, but the emphasis is different because the goal is being cited by ChatGPT, Perplexity, Claude, and Gemini — not just being a featured snippet on Google.

All three matter. What changes is the priority, and that depends on what you sell and who buys it.

If you run a local or service business — restaurant, dentist, plumber, accountant — your priority is still SEO, especially local SEO, and the AEO layer on top of it. Local "near me" queries still produce clicks because the user needs to drive somewhere. Google Business Profile, reviews, NAP consistency, structured business data. Don't get distracted by GEO until the basics are airtight.

If you're a B2B service or SaaS company — consulting, agencies, professional services, software — AEO is now your highest-leverage channel. Your buyers are asking ChatGPT and Perplexity "who are the top vendors for X" before they ever fill in a contact form. If your brand doesn't show up in those answers, you're not losing a deal you can see in your pipeline. You're losing deals you'll never know existed. The good news: AI-referred visitors convert at 4.4x the rate of traditional organic search visitors, per Semrush's research. The traffic is smaller, but it's dramatically warmer. People who arrive through an AI citation are already pre-qualified, already informed, already further down the funnel.

If you sell direct-to-consumer or run an ecommerce brand — the GEO framing is more useful, and the focus is on getting cited in product comparison queries. "Best running shoes for flat feet." "Most durable carry-on under $200." These are exactly the queries AI is being asked to synthesize, and exactly the ones traditional Google search is losing.

Across all three, one stat should reshape your content calendar: 95% of all ChatGPT citations come from content updated within the past 10 months. Old content doesn't just rank lower anymore. It's invisible to the AI that increasingly stands between you and your customer.

Here's what I think most of the SEO-vs-AEO-vs-GEO content gets wrong. It frames these as three competing strategies you have to pick between. They're not. They're one strategy — earning trust — measured at three different stages of how a customer finds you.

SEO measures whether a search engine considers you relevant. AEO and GEO measure whether an AI considers you credible enough to quote. Both come from the same underlying thing: clearly written content, strong authority signals, accurate data, regular updates, and a brand that consistently shows up in the places people look for expert opinion.

You're not getting outranked anymore. You're getting out-cited.

The companies winning right now aren't picking between SEO and AEO and GEO. They're publishing less, but publishing better — fewer pieces, more depth, clearer authorship, regular refreshes, and content that earns its way into AI answers because it's actually useful. The brands losing are the ones still measuring success in keyword rankings nobody will click and traffic that gets summarized away before it ever reaches the site.

The acronyms will keep multiplying. Someone will invent AIO and LLMO and a dozen others by the end of the year. Underneath all of them, the question is the same: when a buyer asks an AI to evaluate your category, does that AI say something about your brand that you'd actually endorse?

If you don't know the answer, you can find out in ten minutes. Open ChatGPT, Perplexity, and Gemini in three tabs. Ask each one: "What does [your company] do, and how do you compare to [competitor]?" Whatever comes back is what the internet, filtered through AI, currently believes about you. The gap between that and your brand guidelines is what you actually have to fix. Everything else is tactics.

Know someone making AI decisions at a traditional company who should be reading this? Forward it their way.

- Hashi