ChatGPT Superapp for Mac: New GPT-5.6 Models & Features

The new ChatGPT app is now available for Mac, with a Windows version coming soon. This "superapp" features the new GPT-5.6 models and significantly expanded capabilities. It introduces a ChatGPT Work agent designed for complex projects, allowing users to connect files and apps for various business tasks. The app also offers browser tabs for web searches and a 'Sites' feature for web publishing. What's interesting is its new PC control functionality, like organizing notes in an app. The GPT-5.6 models come in three performance tiers: Sol, Terra, and Luna, with access levels varying by subscription. This launch directly targets the market position of Claude Desktop. The bottom line is this new ChatGPT aims to be an all-in-one tool for productivity and complex tasks, potentially changing how users interact with AI.