ChatGPT & Codex changelog

ChatGPT — April 16, 2026

A new advertising experience for Free and Go plan users has begun rolling out in Australia, New Zealand, and Canada. This change affects users without a paid subscription in these regions. All users on Pro, Business, Enterprise, and Education plans will continue to enjoy an uninterrupted, ad-free experience, maintaining the premium service quality.

Added

  • Rolling out ads in Australia, New Zealand, and Canada
  • We're beginning to roll out ads for users on Free and Go plans in Australia, New Zealand, and Canada. Plus, Pro, Business, Enterprise, and Education plans do not have ads.
ChatGPT — April 16, 2026 — Release Notes