Guide · SEO and AI

Will AI replace SEO? What the evidence says about SEO in 2026

No. AI is changing what SEO has to do, not removing the need for it. Google's AI Overviews and AI Mode are built on its core search systems, and Google says optimising for them is still SEO. ChatGPT search and Perplexity look pages up on the web before they answer. What AI has ended is SEO that only chases rankings. Making a business visible to those systems is what I call AI search optimisation. Here's the evidence, including what nobody knows yet.

By Marcos Azaro Published 28 September 2026 Updated 28 September 2026 Reading time about 10 minutes

Is SEO still worth it in 2026?

Yes, if you do the version that works now. Search engines still decide which pages AI answers are built from, and Google requires a page to be indexed and eligible for a snippet before it can appear in an AI Overview. What's worth less is SEO measured only by rankings and traffic. What's worth more is being the clearest, most trusted source on the questions your buyers ask.

There is one honest exception: markets where almost nobody searches. In my research for The Thin Market Playbook, the median New Zealand business-to-business industry got about 395 searches a month in total. Even at healthy click, enquiry and close rates, that caps search at about 3.6 customers a year. For a business like that, the right move is to do the search basics properly, then spend the rest of the budget on proof and direct outreach.

Before you decide either way, work out your own search ceiling. It takes a minute and uses measured search demand for 36 industries.

Is SEO dead now that AI answers the question?

No, but the results page has changed. In my study of 1,000 New Zealand commercial searches, Google showed an AI Overview on 73.9% of them, usually as the first thing on the page, and not one search showed a classic featured snippet. People Also Ask appeared on 92.1%. The links are still there, below a summary that is built from them.

The exposure depends on intent. Advice searches showed an AI Overview 96.5% of the time and cost searches 96.0%, but searches for a local provider only 16.5%, with a local pack on 91% of them. So local SEO is largely untouched for now, and informational content is the most exposed. The full data is in my NZ Google AI Overviews Study 2026.

Two caveats keep this honest. The study is a balanced sample of commercial searches, captured on desktop on one day, 8 September 2026; weighting by search volume gave 27.0% instead of 73.9%. And it measured whether an AI Overview appeared, not who clicked. I don't know of reliable New Zealand data on how much traffic AI Overviews take, and I won't quote a number I can't stand behind.

What is replacing SEO?

Nothing is replacing it outright. SEO is gaining a second target: alongside ranking a page, you now want to be one of the sources an AI answer is written from. People call that GEO or AEO. Google calls it SEO. Whatever the name, the work is the same foundation plus more attention to specific, quotable, well-sourced content.

If the acronyms are confusing, I've set out how they relate in AEO vs GEO vs SEO. The short version is that they overlap almost completely, and a provider selling them as separate services is usually selling the same work twice. For plain-English definitions of these and other terms, see my SEO and AI search glossary.

Can ChatGPT do SEO?

ChatGPT can do parts of SEO well: brainstorming the questions buyers ask, outlining pages, drafting, summarising data and checking copy. It can't see your rankings, your Search Console data or what's changed on your competitors' sites unless you give it that, and it can state things confidently that aren't true. It's a useful assistant. It isn't a strategy, and it can't be accountable for results.

Google is clear that using AI to help create content is fine. Its guidance on generative AI content says it judges pages on quality and helpfulness, however they were produced. What breaks its spam policies is producing pages at scale mainly to manipulate rankings, which it calls scaled content abuse, whether a person or a model wrote them.

The practical risk is hallucination: language models can invent facts, figures and sources. On a business website that's a trust problem as much as an SEO one. Use AI for speed, and have someone who knows the subject check every claim before it goes live.

Will SEO exist in 5 years?

Almost certainly, in some form, because AI systems still have to find and choose sources, and businesses will always want to be chosen. What it's called and how it's measured will keep changing. Nobody can tell you exactly what search looks like in 2031, and I'd be wary of anyone who says they can.

What's durable is easier to name: pages that crawlers can read, clear facts, genuine expertise and corroboration from other sources. Those helped when I started in search in 2006, and they are the same qualities that did best in the 2023 research that coined the term GEO, where citing sources and adding statistics and quotations improved visibility and keyword stuffing didn't. I've written up what the GEO research found, and what it can't tell you.

What has actually changed for businesses

Five things have changed in a way you can measure. AI summaries now sit on top of most advice and cost searches, featured snippets have given way to AI Overviews in New Zealand results, AI answers vary between asks, Google now reports AI visibility in Search Console, and local-provider searches are still decided by the map pack.

  • AI summaries sit on top of most advice and cost searches. 96.5% and 96.0% in my NZ study.
  • Featured snippets have given way to AI Overviews. Not one classic featured snippet in the study's 1,000 NZ searches.
  • AI answers vary between asks. In The Thin Market Playbook, the same business question asked five times produced an average of 16.3 websites across six industries, and none appeared in all five answers. One check is one draw.
  • AI visibility is now measurable in Google. Search Console's generative AI performance report launched on 3 June 2026 and has been available to all sites since 31 August 2026.
  • Local-provider searches are still map-pack territory. A local pack on 91% of them, an AI Overview on 16.5%.

What to do now

Keep the SEO foundations, split your keywords by intent, and write pages that answer buying questions with specifics: prices, timeframes, process, proof. Check that your robots.txt, as actually served, lets AI crawlers in. Then test what AI assistants say about you, several times over several weeks, and check Search Console's generative AI report for Google's side.

The free AI Visibility Audit does that test for you, across Google, ChatGPT, Perplexity and Gemini. If you want the work done, that is AI search optimisation, done properly. If it's the rankings side you need, that's my SEO work for businesses across New Zealand and overseas. AI search optimisation on its own starts from $2,000 a month (excl. GST), and I've published what SEO costs in New Zealand.

Common questions

SEO and AI questions

Is SEO replaced by AI?

No. AI assistants and Google's AI features still rely on search systems to find and rank the pages they draw on. Google says its AI features are built on the same foundations as Search, and that optimising for them is still SEO. SEO's job has widened to include being a source for AI answers. It hasn't shrunk.

Is SEO still worth it with AI?

Yes, for most businesses with real search demand. The same foundations make you eligible for AI answers and for rankings. If your market is tiny, search has a hard ceiling, and budget beyond the basics may be better spent on proof and direct outreach. The calculator linked above shows your own ceiling in about a minute.

Is AI-generated content bad for SEO?

Not by itself. Google judges content on quality and purpose, not on how it was produced. Content made mainly to manipulate rankings, at scale, breaks its spam policies whether a person or a model wrote it. Check facts, add real experience, and publish only what genuinely helps the reader.

Should I stop paying for SEO and switch to GEO?

No. GEO depends on the same foundations, so switching usually means paying for the same work under a new name. Ask any provider how they measure AI visibility as well as rankings, and what they'll do differently. If the answer is only a new acronym, keep your money.

Will AI Overviews take all my traffic?

Nobody can tell you that from presence data alone, and my study didn't measure clicks. What it showed is where you're exposed: advice and cost searches much more than local-provider ones. Search Console's generative AI report now shows how often your pages appear in AI features, so you can check your own site rather than guess.

Can AI do my SEO for me?

It can do tasks, not the job. AI tools speed up research, drafting and analysis, but they don't know your business, can't take responsibility for accuracy, and can't build the reputation that makes other sites and AI systems trust you. Treat AI as leverage for someone who knows what good looks like.

Sources

See where you stand, in Google and in AI answers

The free AI Visibility Audit shows where you rank today for the searches that bring in work, and whether AI assistants mention your business at all. Clear findings, no obligation.

Book Your Free Audit
Book Your Free AI Visibility Audit