According to OpenAI announcement, ChatGPT search function is now open to all free users and has undergone major updates. This update includes real-time search function, which supports minute-level access to the latest news, stocks and other dynamic content; new advanced voice mode, which will be launched next week, users can optimize the multi-round search experience through more natural voice interaction; mobile end adds map function, which supports viewing surrounding locations, route planning and business information; optimization for Android, iOS and other platforms to improve search efficiency by more than 40%.