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

Two hundred days in, OpenAI has something Google and Facebook needed years to assemble: a billion-user surface, a self-serve pipe and a billion-dollar pace.

OpenAI's move to serve ads in ChatGPT earlier this year drew ridicule from its chief rival, Anthropic, in the form of a Super Bowl commercial.