OpenAI Targets $25 Billion Advertising Market

OpenAI is testing ads in ChatGPT's free and $8-a-month Go tier, and Evercore ISI analyst Mark Mahaney projects the business could reach $25 billion by 2030. Advertising experts told Business Insider OpenAI must build measurement tools, conversion APIs, and expanded inventory across products like Sora and agents to deliver measurable outcomes while preserving user trust. Execution will determine whether contextual placements scale into a performance ad business.