Ads in AI assistants: what changes for your work

The free tier of a mainstream AI assistant is now an advertising surface. OpenAI began testing sponsored placements in ChatGPT on 9 February 2026 [1], and by 31 August 2026 said the business had reached a $1 billion annualised revenue run rate, was available in more than 40 countries, and was used by tens of thousands of advertisers [6]. Google announced ad formats for AI Mode in May 2026 that are “integrated directly into AI-generated responses” [7]. Whatever you think of that, it is now part of the surface your work passes through, and the useful response is not an opinion. It is an inventory.

This guide covers which parts of your work sit on an ad-supported tier, what an ad can and cannot reach inside an answer, and the short list of changes worth making. It is not for people arguing about whether ads in chatbots are a good idea. It is also not for anyone buying through procurement, because business and enterprise accounts are already listed as ad-free and the question does not arise [1]. It is for the freelancer with a personal free account, the two-person studio sharing one login, and the operator whose Tuesday-morning automation quietly authenticates as somebody’s old Gmail address.

The ads sit below the answer, on two tiers

The scope is narrower than “ads in ChatGPT” suggests. Ads may appear for users on the Free and Go plans, and Plus, Pro, Business, Enterprise and Edu accounts will not have ads [1]. Go costs $8 a month in the US, with pricing localised in some markets [3]; Plus is $20 a month, billed monthly [4]. That is the whole tier map, and it is the first thing to check about any account that touches paid work.

The placement is specific too. Ads appear below the end of a response, clearly labeled as sponsored and visually separated from the answer [1]. Temporary Chats will not show ads, and during the current test ads do not appear in the ChatGPT Atlas browser either [1]. They are not eligible to appear near sensitive or regulated topics including personal health, mental health and politics, and OpenAI says it does not show ads to accounts identified as belonging to users under 18, based on account-level age information and age prediction where available [1]. Political advertising is currently disallowed outright [2].

Google’s design point is different, and the difference matters more than the vendor names. Google describes its AI Mode formats as “clearly labeled as an ad” but “integrated directly into AI-generated responses” [7]. Below the answer and inside the answer are two different geometries. One you can crop out of a screenshot. The other you cannot, because removing it changes the response.

The label tells you more than the brand does

There are two separate things people mean when they worry about commercial influence in an assistant, and conflating them produces bad decisions. The first is a labeled ad unit sitting next to an answer. The second is money changing the answer itself.

On the first, the vendors are explicit and checkable: the unit carries a label, and you can see it. On the second, OpenAI’s stated position is that “Advertising does not influence the answers ChatGPT provides” [6]. Its shopping surface is described the same way. Product results are “organic and unsponsored, ranked purely on relevance to the user”, merchants pay a small fee on completed purchases, and “Instant Checkout items are not preferred in product results” [5].

Read the same page closely and it also lists what the ranking does weigh when several merchants sell the identical item: availability, price, quality, whether a merchant is the primary seller, and whether Instant Checkout is enabled [5]. So a commercial integration is one input among several, and the vendor’s position is that it is not a thumb on the scale. That is a coherent account, and it is still an account you are being given rather than one you can inspect.

Because you cannot verify it from outside. No solo operator can audit a ranking model, and the claim comes from the party collecting the fee. What you can verify, every single time, is which tier the account is on and whether a block of text carries a sponsorship label. Build your process on the two facts you can check rather than the one you have to take on trust.

It is also worth remembering that none of this is settled. Perplexity phased out sponsored answers, reported in February 2026, with an unnamed executive saying that “the challenge with ads is that a user would just start doubting everything” [8]. A vendor that has ads today may not have them next year, and a vendor that has none today may add them. That is an argument for checking the tier as a habit, not for picking a permanent favourite.

Audit which of your work runs on an ad-supported account

The practical exposure is almost never the ad itself. It is that you do not know which of your accounts is on which tier, so you cannot answer a client who asks.

Start with the accounts, not the workflows. Most small operations have more of them than they think: the paid seat you use daily, the free personal account you signed up with in 2023 and still use on your phone, the free account a contractor uses, and the login sitting inside a Zapier or Make connection that nobody has looked at since it was set up. Write the tier next to each one. Anything on Free or Go can show sponsored content [1], and if that account produces anything a client sees, you have a decision to make rather than an accident to discover.

Then check the artefacts that leave your desk. A pasted answer carries no ad with it. A screenshot of the chat window might, because the sponsored block sits below the response [1]. An exported transcript might. If you send clients screenshots as evidence of process, that is the one place the geometry actually bites you.

The Free plan does offer a way out without paying. If you prefer not to see ads you can switch to an Ads-Free experience, which removes ads but comes with lower usage limits and reduced feature access [1]. For a hobby account that is a fine trade. For an account doing billable work, the reduced limits usually cost more in interruption than the subscription costs in money.

What the ad system reads, and what the advertiser receives

These are two different exposures and they get collapsed constantly.

The ad system always uses the current chat thread, plus your general location and language [1]. With personalisation enabled it also uses past chats, memory, and your history of interacting with ads [1]. That is a richer signal than a search query, because a thread contains the reasoning, the constraints and the half-formed version of the problem, not just the keyword.

The advertiser receives aggregated reporting such as views and clicks [1]. Advertisers never receive your chats, chat history, memories, name, email, precise location or IP address [1]. So the exposure is to the platform’s profile of you, not to a database sitting in an ad agency. You can turn off ad personalisation at any time and clear the data used for ads at any time [1], which narrows the targeting back to the current thread and coarse location.

The more useful reframe for a small business: if you would not want a thread used to build a commercial profile, that thread probably also contains client material that should not be on a consumer tier at all. The ad question and the confidentiality question have the same answer, and the confidentiality one was already the more serious of the two before ads existed.

Going ad-free costs about the price of a lunch per seat

The money is small enough that the deliberation costs more than the fix. Moving one working account to Plus is $20 a month [4], against $8 for Go [3]. For a three-person studio that is a few hundred dollars a year to remove an entire category of question from client conversations.

What you are buying is not the absence of an annoyance. It is a sentence you can say without hedging: this work was produced on a tier that the vendor lists as ad-free [1]. That sentence is worth having in any engagement where you are presenting an assistant’s output as neutral analysis, where you recommend a vendor or a product, or where a client is already nervous about AI in the deliverable.

Advertising into an assistant is a different job from ranking in one

If you are on the buying side, the surface is real and it is open. As of 31 August 2026 OpenAI reported tens of thousands of advertisers, availability in more than 40 countries, and more than 50 technology and measurement partners [6]. That is a functioning ad platform, not a pilot.

It is also a narrow one by category. Ads are disallowed for adult content and dating apps, alcohol and tobacco, counterfeit goods, gambling and sports betting, recreational drugs, political and electoral advocacy, individual job listings and housing rentals or sales, and scams [2]. Financial, healthcare and legal services are restricted categories: accepted in the US only, and reviewed case by case [2]. Placement is also blocked in what OpenAI calls sensitive user contexts, defined as “conversations involving personal, high-stakes, or emotionally vulnerable situations where ads could undermine user trust or create a poor experience” [2]. A recruiter posting individual roles or a letting agent listing individual flats is outside the policy, though the platform itself may advertise [2]. A studio selling a service is generally inside it.

The strategic point is that this is a separate discipline from being recommended inside an answer. Buying a labeled placement below a response and being the thing the model names in the response are different objectives with different levers, and OpenAI states plainly that advertising does not influence the answers ChatGPT provides [6]. Anyone selling you an “AI visibility” package that quietly means ad spend is charging you for one and promising the other.

What still goes wrong

The central claim in this whole area cannot be independently checked. “Advertising does not influence the answers ChatGPT provides” [6] is a statement of policy, and a policy is a promise about behaviour rather than a proof of it. Treat it as a reasonable working assumption that would be worth revisiting if it ever changed quietly, and keep the sourcing habits you would keep anyway: for a recommendation that matters, ask the assistant for its sources and check one.

The details move faster than anyone’s documentation. Testing began in the US on 9 February 2026 [1], and by 31 August ads were available in more than 40 countries [6]. Some placement rules are explicitly provisional and some are not: the absence of ads in the Atlas browser is described as a condition of the current test, while the exemption for Temporary Chats is stated flatly [1]. Anything in this guide that names a country, a tier or a placement is worth re-reading on the vendor’s own page before you rely on it in a contract.

The exclusions are also written in qualitative language. A rule that turns on whether a situation is “personal, high-stakes, or emotionally vulnerable” [2] does not have a crisp edge, and you should not plan on knowing in advance which side of it a given conversation falls on. And none of this reaches the biggest uncontrolled surface, which is what happens after you hand the work over. If a client pastes your deliverable into their own free-tier assistant, they are on their tier, with their settings, and you have no visibility into any of it.