Bonjour, ChatGPT ads. OpenAI’s inaugural Cannes Lions appearance doubled as a coming‑out party for its baby ad business.

If you’ve wanted to visit the South of France, this might be the week. The annual Cannes Lion ad festival, a time for ad folks from all quarters to gather, gets underway tomorrow.…

OpenAI pitched ChatGPT advertising to marketers at Cannes Lions 2026, projecting $2.4B in ad revenue as it prepares for an IPO valued near $1 trillion.

Bonjour, ChatGPT ads. OpenAI’s inaugural Cannes Lions appearance doubled as a coming‑out party for its baby ad business.