OpenAI's published ad framework already permits the category block its partners describe

Ad eligibility is enforced at review, not in the published text. Advertising policies are written as grants of discretion: the published text says what the platform may do, and the operative list lives in the review queue. OpenAI's public advertising framework says the company can review campaigns, make changes, block ads, and exclude advertisers or whole categories ^[4]. Those public materials name no competing image or audio AI products ^[5]. A category rule that exists only in partner-facing guidance is therefore consistent with everything OpenAI has published, and enforcing it requires no change to any public document ^[17].

Which means the check an advertiser would like to run before committing budget has nothing to run against ^[19]. dev.to's recommendation is to ask the advertising partner for written category guidance before committing creative production or campaign budget ^[11]. Until that arrives, an advertiser learns the rule when a campaign is rejected. The same write-up recommends logging approval outcomes and rejection reasons, so a formal category restriction can be told apart from a problem with one ad or one landing page ^[12].

dev.to says the reported decision may be a targeted enforcement choice, an internal category rule, or a policy still being formalized, and that none of those can be treated as confirmed without a direct statement from OpenAI ^[14]. Those three differ in how long they last. An enforcement choice can reverse next quarter. A formalized category rule would show up in the published framework, where a media planner can read it and price it. Neither platform control nor brand safety has been publicly attributed to OpenAI as a motive in this reporting ^[15].

For a team whose paid pipeline assumed ChatGPT inventory, the substitution list in the same write-up is search, creator partnerships, owned content, email, and other paid platforms where the audience and policy fit ^[13].