For months, running ads on ChatGPT required an invitation. Only a select set of brands could participate while everyone else sat on the sidelines. Now, self-serve access is available to all advertisers, and the conditions that made early access so valuable are already beginning to change.
Key Takeaways
ChatGPT hit over $100 million in annualized ad revenue within its first six weeks, even though fewer than 20 percent of eligible users were shown ads each day. About 85 percent of free and Go tier users are eligible to see ads, so current revenue reflects only a small slice of the platform’s long-term ad potential. Self-serve buying went live in May 2026, expanding beyond the original set of managed pilot brands through the new OpenAI Ads Manager. OpenAI also eliminated the $50,000 minimum spend requirement, making it possible for advertisers of any size to participate. ChatGPT now serves 800 million weekly active users and handles 2.5 billion prompts per day. Early movers have a real edge, but that advantage will shrink quickly as self-serve access scales and competition pushes prices toward equilibrium.
The Numbers Behind the Launch
Crossing $100 million in annualized ad revenue in just six weeks is impressive on its own, but the surrounding data makes it even more notable. That revenue was generated while fewer than 20 percent of eligible users were seeing ads on a daily basis. With roughly 85 percent of free and Go tier users cleared to receive ads, the system is still running far below its ultimate capacity. In early May 2026, OpenAI rolled out its self-serve Ads Manager and removed the steep minimum spend barrier, opening the platform to a much broader range of advertisers…