The new ChatGPT superapp takes aim at Claude Desktop

PCWorld 

PCWorld reports the new ChatGPT app launches for Mac with Windows version coming soon, featuring GPT-5.6 models and enhanced capabilities. The superapp introduces ChatGPT Work agent for complex projects, browser tabs, web publishing through'Sites' feature, and PC control functionality. GPT-5.6 offers three performance tiers (Sol, Terra, Luna) with access levels varying by subscription plan, targeting Claude Desktop's market position.