--- title: "GEO, GSO, AEO: what is the difference, and which one you need?" date: 2026-06-08T09:00:00+02:00 language: en slug: 2026-06-08-geo-gso-aeo-difference-visibilite-ia url: https://mathieuhaye.fr/blog/en/2026-06-08-geo-gso-aeo-difference-visibilite-ia alternate: https://mathieuhaye.fr/blog/2026-06-08-geo-gso-aeo-difference-visibilite-ia category: AI Visibility description: "GEO, GSO and AEO name the same fight: getting cited by AI. The only question that matters is whether ChatGPT and Perplexity cite your site or your competitors'." --- # GEO, GSO, AEO: what is the difference, and which one you need? > GEO, GSO and AEO name the same fight: getting cited by AI. The only question that matters is whether ChatGPT and Perplexity cite your site or your competitors'. ## GEO, GSO, AEO: are they the same thing? Yes. GEO (Generative Engine Optimization), GSO (Generative Search Optimization) and AEO (Answer Engine Optimization) are three names for one and the same discipline: getting an artificial intelligence to reuse your site, with your name, in the answer it writes. Whether you talk about a generative engine, generative search or an answer engine, you are describing the same reality: ChatGPT, Perplexity or Google AI Overviews answer in your place, and the question is whether you appear in that answer. The nuances some people highlight between these labels are about positioning, not a real split in method. Every player, agency or tool vendor prefers its own label to stand out, and the vocabulary changes faster than the technical reality. For you, as a business owner or freelancer, the point is not to be impressed by the jargon: behind GEO, GSO and AEO lies one and the same goal, and one and the same job. **The essentials in 30 seconds:** - GEO, GSO and AEO name the same discipline: being readable and cited by AI. The differences are marketing, not method. - The right question is not "which one to choose", but "when a prospect asks an AI, is it me or my competitor who gets cited?". - These labels keep multiplying because the field is new and everyone wants to plant their flag; it is noise. - Most sites are invisible to AI today, and they lose prospects with no warning signal at all. - Test your site first with the free [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) tool, then hand the fixes to [Mathieu](https://mathieuhaye.fr/en/collaboration). ## So, which one should you choose? That is the wrong question. Choosing between GEO, GSO and AEO amounts to debating what to call a problem instead of fixing it. None of these labels changes what actually happens when a client asks an AI a question. You can adopt whichever acronym you like: if your site stays unreadable to the models, none of them will cite you, no matter what word you write on the invoice. The right question is business, not semantics: when a prospect asks ChatGPT or Perplexity in your field, is it your name that shows up, or a competitor's? That is the only thing that has an impact on your business. Everything else, the choice of label, the trend of the moment, the promise of a "new method", is just a way of pulling attention away from that very concrete measure. And that measure is something you can get directly, without settling any vocabulary debate. That is exactly what the free [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) test does: it tells you where your site stands, regardless of the label you prefer. ## Why do these labels keep multiplying? Because the field is new and nobody wants to be left without a label. When a discipline emerges, everyone has an interest in giving it a name they can claim: an agency puts out "its" acronym, a tool vendor pushes its own in its marketing, a consultant invents a variant to look ahead of the curve. The result is a pile of labels that all describe the same thing while creating the illusion of distinct methods. This vocabulary inflation has a perverse effect: it makes you believe you have a strategic choice to make, when what you really have is a technical problem to solve. The time spent comparing GEO, GSO and AEO is time during which your site stays, or does not stay, invisible to AI. The jargon is not neutral: it shifts attention away from the only place that matters, your real visibility, towards a fake debate about definitions. ## What does this actually change for your business? In practice, whatever the label, the stakes are the same: a layer of artificial intelligence now sits between the client and your site. In 2026, a prospect opens ChatGPT, asks Perplexity or reads the AI Overview shown at the very top of Google, and gets a written answer often good enough to decide, without visiting a single site. If you are not in that answer, you do not exist for them, and you will never see it in your analytics: you cannot measure the clients who never came. The cost of that invisibility is all the more dangerous for being silent. When an AI answers, it names a few people and a few sources. If those are your competitors, they are the ones the client remembers and contacts, sometimes without even comparing. Every AI answer where you are missing is a free recommendation handed to those who did make their site readable and citable, whatever name they give the effort. And the problem keeps moving. The models evolve, access rules change, what made a site citable yesterday is no longer enough tomorrow. That is what makes the exercise so hard to carry alone: it is not a box you tick once and forget, but a technical field that keeps shifting. To frame what truly matters for your business, a [tailored collaboration](https://mathieuhaye.fr/en/collaboration) with Mathieu keeps you from navigating blind. ## How do you find out where your site stands? The first thing to do is not to pick a label, nor to guess, but to measure. The free [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) tool analyses your site across the axes that truly matter, whether you call it GEO, GSO or AEO: AI crawler access, structured data and citability. It returns a score per level with your weak points. Within minutes, you know whether an AI can read and cite you, or whether your competitors are getting through while you stay invisible. That diagnosis turns a vocabulary debate into a precise finding, and it is also the ideal starting point for an engagement. Once you see your score, you know whether it is urgent and on what. The next step is simple: you start a [collaboration with Mathieu](https://mathieuhaye.fr/en/collaboration), and he handles the fixes end to end so your site stops leaving those prospects to the competition. To understand the discipline in depth, the guide [What GEO is](/blog/en/2026-06-04-qu-est-ce-que-le-geo-generative-engine-optimization) details what plays out behind these three labels. ## Frequently asked questions ### Are GSO and GEO the same thing? Yes. GSO (Generative Search Optimization) and GEO (Generative Engine Optimization) name the same discipline: making your site readable and citable by AI such as ChatGPT, Perplexity and Google AI Overviews. The nuance between the two labels is pure marketing, with each player preferring its own term. The work behind them is identical, and it is that work which decides whether an AI cites your site or your competitors'. To find out where you stand, the simplest path is to test your site on [Visible to AI](https://mathieuhaye.fr/en/ai-visibility). ### Do I have to choose between GEO, GSO and AEO? No, because there is nothing to choose: these three labels name the same fight. Picking a label changes nothing about your real visibility in AI answers. The real question is not GEO, GSO or AEO, but: when a prospect asks an AI in your field, is it you or a competitor who gets cited? That answer is what the free [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) test measures, and it is what decides whether your site is in trouble. ### Can I handle it myself? Technically yes, but it is technical and constantly moving. Getting cited by AI touches your site's code, AI crawler access, structured data and a way of phrasing things that models can reuse, on rules that shift as ChatGPT, Perplexity and Google AI Overviews evolve. It is precisely to avoid spending weeks on it, at the risk of staying invisible, that most freelancers and small businesses prefer to delegate. The simplest path is to test your site first on [Visible to AI](https://mathieuhaye.fr/en/ai-visibility), then hand the fixes to Mathieu. ### How do I test my site? Run the free [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) test on mathieuhaye.fr. Whether you call it GEO, GSO or AEO does not matter: the tool analyses your site across the axes that truly count (AI crawler access, structured data, citability) and returns a score per level with your weak points. Within minutes you know whether an AI can read and cite you, or whether your competitors are getting through instead. That diagnosis is the starting point of an engagement with Mathieu. ### Can Mathieu handle it end to end? Yes. Whatever the label, GEO, GSO or AEO, Mathieu takes care of the whole thing, from auditing your AI visibility to the technical fixes on your site, so it becomes readable and citable by ChatGPT, Perplexity and Google AI Overviews. You test your site on [Visible to AI](https://mathieuhaye.fr/en/ai-visibility), then start a collaboration on [mathieuhaye.fr/collaboration](https://mathieuhaye.fr/en/collaboration): he handles the rest while you keep your time for your own work. --- You can spend hours comparing GEO, GSO and AEO; meanwhile, your competitors may already be filling the AI answers in your place, quietly. The first step costs nothing. **Run the free test on [Visible to AI](https://mathieuhaye.fr/en/ai-visibility) to see your site's score, then hand the fixes to [Mathieu](https://mathieuhaye.fr/en/collaboration) so he makes your site readable and citable by ChatGPT, Perplexity and Google AI Overviews.** ## Related reading - [What GEO is, and why your site needs it](/blog/en/2026-06-04-qu-est-ce-que-le-geo-generative-engine-optimization) - [How to get cited by ChatGPT, Perplexity and Google AI Overviews](/blog/en/2026-06-04-etre-cite-par-chatgpt-perplexity-google-ai) - [SEO vs GEO: what changes for your rankings in 2026](/blog/en/2026-06-04-seo-vs-geo-referencement-ia-2026) - [Test your site's AI visibility for free](/en/ai-visibility) --- Source: [https://mathieuhaye.fr/blog/en/2026-06-08-geo-gso-aeo-difference-visibilite-ia](https://mathieuhaye.fr/blog/en/2026-06-08-geo-gso-aeo-difference-visibilite-ia) | Other language: [https://mathieuhaye.fr/blog/2026-06-08-geo-gso-aeo-difference-visibilite-ia](https://mathieuhaye.fr/blog/2026-06-08-geo-gso-aeo-difference-visibilite-ia)