ChatGPT Ads expands to 26 new countries as over 100,000 advertisers have used the platform ChatGPT Ads expands to 26 new countries as over 100,000 advertisers have used the platform openai.com/ai 2026-10-21 1 min read original hackernews#product From local businesses to global brands, more advertisers can now reach people as they explore, compare and decide what to buy in ChatGPT.