OpenAI spent years telling the world it was different. Not a media company. Not an ad-tech platform. Not Google. Then, on February 9, 2026, it launched ads in ChatGPT. Quietly, by their standards. No big press event. No Cannes Lions deck. Just a blog post with the headline "Testing ads in ChatGPT" and a screenshot of a meal kit ad appearing at the bottom of a recipe conversation. The move was inevitable, but the speed of the rollout is worth paying attention to. In four months, OpenAI went from a single-country test to active pilots in nine markets, a self-serve ad buying platform, and CPC bidding. That is not a slow test. That is a product launch dressed as a test. Where It Started and Where It Is Now The initial test launched in the United States only, for logged-in adult users on the Free and Go subscription tiers. Paid plans (Plus, Pro, Business, Enterprise, Education) remain ad-free, at least for now. Then the expansion happened faster than most people noticed: March 26, 2026: OpenAI announced expansion to Canada, Australia, and New Zealand. May 7, 2026: The pilot extended to the United Kingdom, Mexico, Brazil, Japan, and South Korea. That is nine countries in roughly three months. If you are running a brand or buying media in any of those markets, this is already live. If you are not in one of those markets yet, you probably will be before the year is out. OpenAI said plainly that it hopes to "expand to many more markets this year." What the Ads Actually Look Like The format is simple and, by design, very controlled. Ads appear at the bottom of an AI-generated response. They are always labeled "Sponsored." They are visually separated from the answer itself, typically with a tinted box. The answer does not change based on who is advertising. OpenAI's stated principle: ads do not influence the answers ChatGPT gives. The response is optimized for the user. The ad is appended below it. The early example OpenAI published showed a grocery brand (Heirloom Groceries) advertising a product in a conversation about planning a dinner. Meal kit shown. Price shown. Cook time shown. Clearly beneath the actual response. It is closer to a classified listing than a banner ad. That framing is not accidental. The bet is that contextually relevant, clearly labeled ads placed below a useful answer feel less hostile than the average web ad. Whether that holds at scale is a different question. How Targeting Works OpenAI does not use keyword targeting. Instead, it uses what it calls contextual matching, drawing on three signals: what you are currently discussing, your past chat history, and your past interactions with ads in ChatGPT. Advertisers submit "context hints," which are broad thematic descriptions of the situations or questions their target users might bring to ChatGPT. Not exact match keywords. More like: "users researching meal planning" or "people comparing laptops before buying." Advertiser privacy rule, as stated by OpenAI: advertisers never see your chat content, chat history, memories, or personal details. They only receive aggregated data, things like total impressions and total clicks. No individual user data passes to the advertiser. There are also restrictions on where ads appear. No ads in conversations flagged as sensitive, which includes health, mental health, and politics. No ads on accounts predicted or confirmed to belong to users under 18. What It Costs to Advertise This is where the story gets interesting for anyone in media buying. When OpenAI first brought in launch partners in late 2025, the minimum commitment was $200,000. Not a typo. This was an invite-only pilot for large brands, with $250,000 to $300,000 commitments reported for select early advertisers. The first wave of named participants was exactly what you would expect: Target, Adobe, Williams-Sonoma, Albertsons. Big retail, big budgets, established brand safety departments. Then the floor dropped. By mid-2026, a quarterly spend commitment of around $50,000 was enough to get in. In May 2026, OpenAI launched a self-serve Ads Manager in beta, open to any advertiser, with no minimum spend. At the same time, it added cost-per-click bidding alongside the existing CPM model, and rolled out a measurement pixel and a Conversions API. Current pricing as of mid-2026: CPC rates range from roughly $2 to $8 depending on category. CPM started at approximately $60 when the platform launched, though that number has been shifting as more inventory opens. The practical consequence: ChatGPT advertising went from a $200,000 entry fee accessible only to enterprise brands to a self-serve platform any business can enter, all within about six months. Why OpenAI Is Doing This (The Actual Reason) The official framing is mission alignment. Ads fund the free tier. The free tier expands access to AI. Expanding access to AI serves the mission. That is true as far as it goes. But t