OpenAI has announced a series of updates to its ChatGPT application, including a new user interface that improves accessibility for users on iPhone and iPad. The updated UI now features a dedicated section for GPTs under recent chats, enhancing user experience. Additionally, a new SearchGPT shortcut has been introduced, further streamlining the search experience within the app. These changes aim to make the ChatGPT platform more user-friendly and efficient, as users explore the differences between ChatGPT and other AI models like Claude.