OpenAI
OpenAI is the US company behind the GPT family of large language models and ChatGPT, the chatbot built on top of them. It also sells API access to those models, which is why GPT-based text now shows up inside countless other products, not just ChatGPT itself. For AI visibility, OpenAI matters because ChatGPT is one of the largest surfaces where a model decides, in real time, which brands and sources get named in an answer.
Why OpenAI matters for your visibility
ChatGPT reached about 900 million weekly active users as of late February 2026, which puts it among the largest consumer software products in the world. A meaningful share of those sessions now replace a search-engine query: someone asks a question or wants a recommendation and gets a written-out answer instead of a list of links. Whether your business gets named in that answer depends on how ChatGPT researches it. Some answers draw on patterns baked into the model during training; others are backed by a live web search the model runs on your behalf. Either way, being clearly described, consistently, in places ChatGPT actually reads is what puts you in the running to be mentioned at all. That practice sits under the broader label GEO (Generative Engine Optimization), alongside classic SEO rather than in place of it.
How OpenAI works technically
OpenAI trains its language models on very large volumes of text, and what the model learns is not a database of facts but statistical patterns in language: given the text so far, which words are likely to come next. A prompt gets answered by generating a plausible continuation, one token at a time. When ChatGPT needs current information, it can run a live web search and fold the results into that same generation process, which is how it produces answers about things that happened after training ended. The web search OpenAI's systems draw on is fed partly by their own crawler, GPTBot, which reads public pages the same way any crawler does — subject to robots.txt and to whatever the page actually renders. If GPTBot cannot access or parse a page, that page effectively does not exist for ChatGPT's live answers. That is one reason ordinary technical hygiene — clean HTML, reasonable load times, a robots.txt that does not block you by accident — still matters here, alongside the content itself.
Common mistakes in dealing with OpenAI
The most common mistake is treating a ChatGPT answer as a verified fact. Language models hallucinate: they can state something confidently and fluently while getting it wrong, and that applies just as much to claims about your own company as to anything else, so answers about you are worth checking, not trusting by default. A second mistake is blocking GPTBot outright and then being surprised that ChatGPT never mentions the business — you cannot be cited from a page the crawler was never allowed to read. A third is inconsistency: different opening hours, addresses, or spellings of your name across your own site, your listings, and press coverage. Faced with conflicting signals, a model has no reliable way to pick a winner, and the safer failure mode for it is often to leave you out entirely rather than guess. One thing that will not fix any of this on its own is adding an llms.txt file — Google has said no such file is read by its systems, and a large-scale Ahrefs analysis found that roughly 97% of sites publishing one saw no measurable referral traffic tied to it. There is no public evidence OpenAI's crawlers treat it differently. The more defensible fix is a consistent, well-structured presence across the web, not a single file aimed "at AI."
Relation to AI recommendations and competition
OpenAI is one of several companies running this kind of system — Anthropic's Claude, Google's Gemini, and Perplexity all pursue comparable approaches and draw on overlapping parts of the public web, so visibility work for ChatGPT often carries over to some degree. But the overlap with traditional search is smaller than most people assume: an Ahrefs study found only about 6-8% of URLs ChatGPT cites also appear in Google's top 10 for the same query, and roughly 80% of ChatGPT's cited URLs do not rank in Google's top 100 at all. Ranking well in Google is not a proxy for being citable in ChatGPT; they are different selection processes drawing on different signals, and worth measuring separately. What does travel across models, per Ahrefs' analysis of roughly 75,000 brands, is being mentioned across the web generally — brand mention frequency correlated with AI citation rate at about 0.664, roughly three times the correlation backlinks alone showed. Getting talked about in places other than your own site appears to matter more than link-building by itself.
Example
Picture a small accounting firm in Leeds trying to win new clients. A prospect used to search Google for "accountant for freelancers Leeds." Now they might ask ChatGPT the same question directly and get back three named firms with reasons attached. If the Leeds firm never comes up in that answer, it loses the lead without ever knowing the moment existed. If instead the firm has a clear, specific website describing its freelancer specialism, reviews mentioned in a few outside places, and no conflicting details about its hours or address floating around online, its odds of being one of the names ChatGPT picks go up — with no ad spend involved.
Common questions
Is OpenAI the same as ChatGPT?
No. OpenAI is the company; ChatGPT is one product it makes. OpenAI develops the underlying GPT models and also licenses them through an API, so the same models power many other apps and features beyond ChatGPT's own chat window.
Can I influence whether OpenAI's models mention my company?
Not directly — there is no submission form or paid placement for it. What you can do is make yourself easier to cite correctly: keep your details consistent across your site and other sources, allow GPTBot to crawl the pages you'd want mentioned, and try to be described accurately in places beyond your own site, since brand mentions elsewhere correlate more strongly with AI citations than backlinks do.