OpenAI's ChatGPT has introduced a new feature for iPhone users that allows them to utilize Advanced Voice Mode through the device's Action Button. Users can now initiate voice conversations with ChatGPT using a single button press, enhancing the AI's functionality as an assistant. This feature includes capabilities such as video interaction, enabling the AI to interpret what the camera sees, and internet search, allowing it to retrieve information from websites. The integration of these features positions ChatGPT as a versatile tool for both simple inquiries and more complex tasks, appealing to a wide range of users seeking to leverage AI for various applications.