ChatGPT Ads is now open to all advertisers, but the biggest opportunity isn't simply getting in early—it's learning from the brands that already spent months testing the platform. Early enterprise advertisers have left behind valuable clues about messaging, targeting, creative formats, and contextual advertising that anyone can study before spending a dollar. By reverse-engineering these patterns, understanding ChatGPT's unique "context hint" targeting model, and building your own measurement framework, marketers can enter the platform with a strategic advantage instead of paying to repeat someone else's mistakes.
