iPhone users have long sought a smarter alternative to Siri, and now, with the iPhone 15 Pro series and newer models, OpenAI's ChatGPT is just a button press away. Thanks to a customizable integration, users can now use the Action button to quickly access ChatGPT’s voice mode, making it a preferred option for complex queries and brainstorming sessions. The Action button’s versatility allows users to configure it for various shortcuts. A recent update made it possible for users to assign a shortcut that directly opens the voice conversation interface of ChatGPT. By simply long-pressing the Action button, users can initiate real-time dialogue with the AI, bypassing any menus. This feature addresses the limitation posed by Siri, which many find less capable compared to ChatGPT’s rapidly evolving intelligence. To set up this convenient integration, users should ensure they have the latest ChatGPT app installed and logged in, configure the Action button in the iPhone settings, and select the “Open ChatGPT Voice” option. After setting it up, a long press on the Action button will grant users instant access to ChatGPT’s voice interface, with the app requesting microphone permissions the first time it is used. In addition to the voice-launching capabilities, OpenAI’s recent update enhances the overall user experience for iPhone holders. Voice chats now occur within the same interface as text conversations, providing a seamless transition between typing and speaking. Moreover, users can interact with other apps while still engaging with ChatGPT, as the Dynamic Island feature supports ongoing conversations and provides real-time feedback about the assistant's listening and response status. However, it is important to note that while ChatGPT offers superior conversational capabilities, it does not possess the ability to control core iOS functions like Siri does. Features such as setting alarms or accessing the user’s calendar remain unique to Apple's built-in assistant. With the integration of ChatGPT, iPhone users can now enjoy powerful AI assistance, enhancing their smartphone experience without fully replacing Siri.