GPT-6 Rollout: 9 Essential Updates and Risky Gaps for Marketers
GPT-6 is now live for every ChatGPT user, with Intelligent UI. We cover 9 official updates from 2 to 8 October 2026: ChatGPT ads, Claude Haiku 5.5, the Google spam update, watermarking and WordPress 7.1.3, and what each one means in practice.