More and more people ask ChatGPT or Google "which agency do you recommend?" or "where can I buy X in Buenos Aires?" instead of scrolling through ten results. Knowing how to appear in ChatGPT and in Google's AI answers is now part of the visibility work of any company. The good news: there are parts you control, and they are documented by the engines themselves. The bad news: no one can guarantee you will be mentioned. In this guide we separate what is proven from what is probability.

How to appear in ChatGPT, Gemini and AI Overviews: what your company controls and how to measure it

The short answer
To have a chance of appearing in ChatGPT, Gemini, Perplexity or AI Overviews you need three things: their crawlers must be able to access your site, your pages must be indexed by search engines, and you need clear, verifiable content those systems can cite. There is no sign-up form or organic payment to appear in the answers.
What the engines themselves say
ChatGPT (OpenAI)
OpenAI documents its crawlers on its official bots page. The one that matters for appearing is OAI-SearchBot, which it uses to surface websites in ChatGPT's search results. OpenAI recommends allowing it if you want your site to appear.
A different bot is GPTBot, which is used to train models. Blocking it tells OpenAI that your content should not be used for training, and it is not the same as blocking search. According to the same documentation, robots.txt changes are picked up in about 24 hours.
Google: AI Overviews and AI Mode
Google is direct in its documentation AI features and your website: there are no additional requirements or special optimizations needed to appear in AI Overviews or AI Mode. The condition is that the page is indexed and eligible to be shown in Google with a snippet.
Two clarifications from that same page that save time and money: you do not need to create special "AI" files or special structured data for these features. And traffic from these features is measured inside the Search Console performance report, under the Web search type.
Perplexity
Perplexity documents its bots in its official guide. PerplexityBot is designed to surface and link websites in its results and, according to the company, it is not used to train models.
Step 1: check which bots you let in
Many sites block AI bots without knowing it, because of an old robots.txt rule, a security plugin or the CDN settings. This is the basic matrix:
| Engine | Bot that makes you appear | If you block it |
|---|---|---|
| ChatGPT search | OAI-SearchBot | You reduce your chances of appearing in ChatGPT search |
| OpenAI training | GPTBot | Your content is not used for training; it does not affect OAI-SearchBot |
| Google AI Overviews / AI Mode | Googlebot | You also disappear from traditional search |
| Perplexity | PerplexityBot | You reduce your chances of appearing in Perplexity |
An example robots.txt that allows appearing in AI search while opting out of OpenAI training:
User-agent: OAI-SearchBot
Allow: /
User-agent: PerplexityBot
Allow: /
User-agent: GPTBot
Disallow: /Also check that your CDN or firewall does not block those agents. A correct robots.txt is useless if the server returns an error to those bots.
Step 2: make sure you are properly indexed
AI engines rely on search indexes. If Google does not index your services page, it is unlikely that an AI system will use it as a source. Verify your site in Google Search Console, submit the sitemap and review the Pages report. In practice, technical SEO is still the foundation of AI visibility.
Step 3: write content that can be cited
This is where Generative Engine Optimization (GEO) comes in. If you want to understand the concept in detail, we explain it in what GEO is and how it works. What is backed by research:
The paper that coined the term, GEO: Generative Engine Optimization (Aggarwal and others, presented at KDD 2024), tested different optimization techniques and reported visibility improvements of up to 40% in generative answers. The techniques that worked best were adding quotations from sources, statistics and references. Keyword stuffing, on the other hand, did not improve visibility.
Translated into concrete tasks:
- Answer directly. Start each section with the answer and then expand.
- Data with a source. If you give a number, say where it comes from and when.
- Clear entities. Company name, services, area and industry written the same way on the site, on your Google profile and in directories.
- Specific pages. One page per service and per important question, not everything mixed on the home page.
- Third-party presence. Reviews, press mentions and industry directories. AI systems cross-check sources, and what others say about you also counts.
Step 4: measure whether you are being mentioned
There is no "Search Console for ChatGPT", so measurement combines three sources:
- Google Search Console: traffic from AI Overviews and AI Mode appears within Web performance. It is not broken out separately, but you will see whether impressions grow for long, conversational queries.
- Google Analytics 4: review referral traffic from domains such as chatgpt.com or perplexity.ai. Create your own channel group to track it month by month.
- Manual prompt panel: build a list of 20 to 30 questions your customer would ask ("which marketing agency in Buenos Aires does ecommerce?") and check them once a month in ChatGPT, Gemini and Perplexity. Note whether you appear, with what source and next to which competitors.
What you should not do
- Pay for appearance "guarantees". No AI engine offers that as an organic service.
- Create massive AI-generated pages without review. Google considers scaled content made to manipulate rankings to be spam.
- Block all AI bots just in case, unless you have a clear legal or business reason.
If what you want is to appear by paying, that is advertising and a different channel: we explain it in how to advertise on ChatGPT from Argentina.
Conclusion
Appearing in ChatGPT and in Google's AI answers does not depend on a trick: it depends on letting the right bots in, being properly indexed and publishing clear, specific content with sources. What cannot be done is guarantee it, and anyone who promises that is selling smoke.
Sources
Frequently asked questions
- If I block GPTBot, do I stop appearing in ChatGPT? Not necessarily. According to OpenAI's documentation, GPTBot is the training bot. For ChatGPT search, the one that counts is OAI-SearchBot.
- Do I need an llms.txt file? For Google, no: its documentation states that no special files are needed to appear in AI Overviews or AI Mode.
- Does GEO replace SEO? No. AI visibility relies on indexing and quality content, which is SEO work. GEO adds focus on how that content is cited and summarized.

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