Can you guarantee being cited by an AI?
Published on · updated on
No, no one can guarantee being cited by an AI. Each response is recalculated: when asking the exact same questions about an hour later, only 21 to 25% of the cited pages were cited again depending on the AI. The three major AIs do not search the same web, and their publishers separate advertising from the response. What can be guaranteed is what depends on you: published pages, accessible to AI bots, built according to what is measured, and an honest measurement of how often they are cited.
For what type of question? It all depends on what you call a guarantee. No citation can be guaranteed on an open-ended question. A commercial guarantee can cover a measurement defined by contract, on questions agreed upon in advance: you then have to read what it actually measures.
What AI publishers say
No publisher sells placements in responses. Google indicates that there are no additional requirements to appear in its AI responses: a page must be indexed and able to be displayed with a snippet, which makes it eligible without guaranteeing anything. Its ads may display above, below, or within AI Overviews, but an advertiser cannot directly target this placement.
At OpenAI, a site must allow the OAI-SearchBot robot to pass to appear in ChatGPT search responses: this is an access condition, not a promise. When OpenAI started testing advertising in ChatGPT in February 2026, ads were placed below responses, visually separated, and labeled as sponsored. Paying can buy an ad placement; none of the publisher documents we have read describe a way to buy a citation.
What studies measure: constantly changing responses
In November and December 2025, SparkToro had volunteers ask the same recommendation queries to ChatGPT, Claude, and Google's AI responses. There is less than a one in a hundred chance that ChatGPT or Google's AI will give the same list of brands twice, and about a one in a thousand chance of getting two lists in the same order. Rand Fishkin concludes that an 'AI rank' is meaningless, whereas a percentage of presence across many runs is a reasonable measure.
Competition further reduces any promise. The C-SEO Bench testbed, presented at NeurIPS in 2025, observes that the gains from optimization methods decrease as more actors adopt them. A recipe that everyone applies cannot guarantee everyone the same spot.
What we measure: neither the same response, nor the same web
We asked our questions identically about an hour later. None of the three AIs returned the same list of sources twice, and only a median of 21% of the pages cited the first time were cited again on Claude, 21% on Gemini, and 25% on ChatGPT. Being cited today does not guarantee being cited in an hour.
The three AIs do not read the same web either: across our five combined corpora, only 1.8% of the cited domains were cited by all three. And finding a page does not mean citing it: ChatGPT cites about one out of ten pages that its search retrieves, Claude between 46 and 66%. A guarantee formulated for 'AIs' in general therefore cannot hold.
Guaranteed offers: what they actually guarantee
Some agencies offer citation guarantees. The offer of this type we read is conditional: the brand must be named on a portion of the queries agreed upon in writing before the start of the project, on a portion of the tracked AIs, within a set timeframe, with a refund otherwise. This type of guarantee does not promise a citation in general; it promises a result based on a contractually defined measurement.
To evaluate such an offer, ask which questions are tracked and who chose them, on which AIs, how many times each question is asked, via the interface or the API, and what counts as a success: a name mentioned, a link cited, a page referenced. A guarantee on a few pre-selected questions can be fulfilled without the business being visible on the questions its customers actually ask.
What AIs did with this question
On the question "Can being cited by an AI be guaranteed?", Claude and Gemini mainly cited agency and SEO consulting websites, and Gemini cited several YouTube videos. ChatGPT read the question differently: its research focused on AI bots, but also on the European AI Act, copyright, and content provenance standards, and it cited texts from the European Commission and the US Copyright Office.
For ChatGPT, "guaranteeing being cited" could therefore refer to a right to attribution, and not just a visibility technique. We did not examine this legal aspect. The example shows once again that the same question opens up different paths depending on the AI receiving it.
What this changes for a company
Beware of any citation promise that does not specify the questions, the AIs, and the measurement. What can be honestly guaranteed is what depends on the company and its service provider: published and dated pages, open to AI bots, built according to what measurements show, and the monitoring of their reading by these bots.
The citation itself remains a probability. It is worked on over time and measured as a frequency, across many questions asked multiple times to several AIs. This is also why FaireDuBruit does not promise any citations.
What we do not know
Our variability measurements compare two responses about one hour apart, via the models' API. We have not evaluated the results of commercial offers with guarantees, nor the legal rules applicable to these promises or to the attribution of sources.
Sources
- Google Search Central — « AI features and your website », .
- Google Ads Help — ads and AI Overviews, .
- OpenAI — OpenAI crawlers, .
- Search Engine Journal, Matt G. Southern — OpenAI is testing ads in ChatGPT, .
- SparkToro, Rand Fishkin — inconsistency of brand recommendations by AIs, .
- Puerto et al. — « C-SEO Bench: Does Conversational SEO Work? », NeurIPS 2025, .
- FaireDuBruit measurements, from September 4 to 16, 2026 — see "How we measured".