Answer engine optimisation is worth it for some businesses and a poor use of budget for others, and the difference is predictable. AEO is the work of getting your brand named and cited by the systems that answer questions directly: Google's AI Overviews, ChatGPT, Perplexity, Gemini and the rest. Whether it pays comes down to three things: whether your buyers actually ask these tools, whether you can influence what the tools say, and whether you measure it honestly. Here is how to judge each for your own case. If the terms are still fuzzy, SEO, AEO and GEO compared sorts them out.
Start with the demand question, because if nobody asks AI in your category, AEO is not worth it.
Then the honest caveat, in one number. Semrush found 62 per cent of AI citations never name the brand behind them, so attribution is hard and you should measure leading indicators rather than expect clean last-click ROI.
What you are actually paying for
AEO is not a single line item. It is the combined cost of earning third-party mentions, contributing to the communities and comparisons that models cite, producing content structured to be quoted, and measuring the result over time. It behaves more like PR and reputation work than a technical SEO fix. If someone sells it to you as a quick on-page change, that is a reason to be sceptical.
The case that it works
The mechanism is well-supported. AI visibility correlates most with third-party mentions and video, per Ahrefs. The sources these engines cite are concentrated and knowable, with Reddit alone at 40.1 per cent of citations in one Semrush study. And AI Overviews now appear on a large share of commercial and how-to searches, so the surface area is genuinely there. You can influence whether you are named, and the audience exists.
The case for caution
Three honest caveats. Volatility: citation share swings week to week, with Reddit's ChatGPT share moving from around 60 per cent to 10 per cent in a fortnight in late 2025, per Semrush. Attribution: 62 per cent of AI citations never name the brand behind them, per the ghost citations study, so proving return takes patience and proxy metrics. Demand: if your buyers do not ask AI in your category, none of the above matters.
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When AEO is worth it
It pays soonest when three things are true. Your category sees real AI-answer demand, which usually means software, professional services or considered purchases. Competitors are already being named and you are not, so there is a visible gap to close. And you can commit to a few months of consistent effort rather than a one-off push. AEO is a compounding investment, not a campaign.
When it is not
Skip or defer it if your customers do not use AI to choose, if your margins cannot absorb a months-long payback, or if you are looking for a quick traffic bump. AEO is a poor fit for short-term performance goals, and pretending otherwise wastes the budget.
How to decide in a week
There is a simple test. Ask the four major models the questions your buyers ask, and note whether you, your competitors, or nobody gets named. If competitors are named and you are not, there is a gap worth closing and AEO is likely worth it. If nobody is named, the category may still be early. If your buyers do not use these tools at all, put the budget elsewhere. Start with the free AI visibility check, then read does GEO actually work and how to get cited by AI for the mechanics.
The bottom line
AEO is worth it as a reputation investment for brands whose buyers ask AI and whose competitors are already showing up. It is not a growth hack and it is not for everyone. Decide with a measurement, not a sales pitch.
