OpenAI's growing ads business is starting to prove its worth. But if it wants to keep growing, it's going to need stronger measurement solutions.

OpenAI's ChatGPT ad business hit $1B annualized revenue in under 200 days, a sharp reversal from CEO Sam Altman's 2024 stance calling ads a last

OpenAI says ChatGPT Ads has reached $1B annualised and opened self-service buying in Europe, the same day the Commission designated it under the DSA.