OpenAI Added the UK to ChatGPT Ads but Skipped the EU on Purpose
OpenAI announced on May 7, 2026 that it is expanding its ChatGPT ads pilot to the UK, Brazil, Japan, South Korea and Mexico. Notably absent: every EU member state. The rollout adds five markets in weeks, none with a local third-party measurement partner signed. Self-serve buying remains US-only, which means