ChatGPT has launched the "Mentions" feature, bringing unprecedented flexibility to user conversations. This innovative feature allows Android users to easily invoke different custom GPT models within a single conversation using the simple "@" character. When typing the "@" symbol on an Android device, an intuitive window immediately pops up, allowing users to seamlessly switch between numerous GPT models without interrupting the current conversation. It is worth noting that although this feature was slightly delayed in its release on mobile platforms, it maintains consistency with the web version experience. Unfortunately, iOS users are currently unable to enjoy this convenient functionality. Meanwhile, the updates for ChatGPT continue without pause. In the latest MacOS version, we are delighted to discover that the "Mentions" feature has also successfully landed on the desktop client, further expanding the range of user scenarios. This cross-platform integration undoubtedly enriches the interactive experience of ChatGPT's AI models. The "Mentions" feature, as a microcosm of ChatGPT's continuous evolution, demonstrates its leading position in the AI-driven communication field. Through this feature, users can engage in deep conversations with multiple AI models possessing unique functionalities within a single dialogue framework, greatly enhancing the content and depth of conversations. Whether seeking answers to professional knowledge or sparking creative inspiration, ChatGPT can meet diverse user needs with its diverse model library.