Latest News OpenAI’s ad business shows blistering growth, hits $1 billion annualized revenue run rate 35 minutes ago Financial News OpenAI on Monday announced that its advertising business has hit $1 billion in annualized revenue run rate. CNBC’s Kate Rooney has the details. Post navigation Previous The Last Word with Lawrence O’Donnell – Aug. 31 | Audio OnlyNext This has become very political: Former general counsel to US trade representative