OpenAI Expands ChatGPT Ads to 89 Countries with Machine Learning-Powered Answer-Preserving Ad Stack

OpenAI announced on October 21, 2026, that ChatGPT Ads is now available in 89 countries, up from 63, and has surpassed 100,000 advertisers after reaching a $1 billion annualized revenue run rate in August—making ChatGPT's advertising business one of the fastest-scaling commercial products in AI. The expansion brings ad placement to free and Go-tier subscribers in 26 additional markets, including Argentina, Peru, Nigeria, South Africa, and Ukraine.