OpenAI Launches ChatGPT Advertising Platform Transforms B2B Acquisition

On January 16, 2026, OpenAI announced the imminent launch of a ChatGPT advertising platform that shifts advertising from keyword-based search and social formats to conversational, intent-driven targeting. The article ranks the top 10 ChatGPT marketing agencies for B2B, SaaS, and enterprise advertisers, highlighting first-mover advantages and integration with SEO, CRO, paid media, and revenue attribution for high-intent buyer acquisition.