Here is a neat little manoeuvre. On 10 September, OpenAI told its advertising partners that image- and audio-generation products can no longer buy ads inside ChatGPT. The catch that makes it spicy: OpenAI had days earlier launched ChatGPT Images 2.5 and its own voice product, GPT-Live. So the exact two categories it just closed to outside advertisers are the exact two it now competes in. Adobe, which had been running campaigns for Firefly and Acrobat Studio in OpenAI’s ad pilot, was reportedly blindsided.
Tellingly, video-generation tools can still advertise, for now, because OpenAI does not have a video product it is pushing this week. The pattern is hard to miss: you can buy ads for things OpenAI does not sell, and you are shown the door the moment it does.
Why this is a big deal, not just office politics
OpenAI is chasing a reported $100 billion in ad revenue by 2030, which means ChatGPT is becoming an advertising platform with over a billion monthly users. The moment it did that, it created a conflict every dominant platform eventually faces: it is now both the marketplace advertisers depend on and a competitor they are forced to fight. Google and Amazon have spent years, and billions in antitrust penalties, learning that owning the shop and selling on the shelves at the same time attracts regulators like flies.
OpenAI is speedrunning that trajectory. Blocking rivals’ ads to protect its own freshly launched products is exactly the kind of self-preferencing that competition authorities have started treating as a red flag rather than a clever growth tactic. It is early, and OpenAI can frame this as a mere policy tweak, but the shape of it is unmistakable.
The takeaway
For anyone building an AI product that touches images, audio, or eventually video, the lesson is uncomfortable: distribution through ChatGPT is not neutral ground, it is rented space in a landlord’s shop, and the landlord sells everything you do. Plan your growth as if that door can close the day OpenAI ships a competing feature, because this week it did exactly that. The open platform was always going to become a walled garden once the ad money got real. It just got real.
Related: ChatGPT Images 2.5 and GPT-Live, the products this protects.