ChatGPT Atlas is a new AI-powered web browser that deeply integrates the ChatGPT experience, offering key features designed to enhance productivity and automation. Central to its function is the Ask ChatGPT sidebar, which appears alongside any webpage, allowing for real-time content summarization, data analysis, or in-line text editing via a "cursor chat" feature in forms and documents. The browser incorporates Browser Memories, an optional system that allows ChatGPT to recall context and details from previously visited sites and conversations, enabling smarter, personalized suggestions and responses, such as summarizing past research or job listings. Finally, the Agent Mode (available for paid users) empowers ChatGPT to autonomously execute complex, multi-step tasks on the user's behalf within the browser, like booking flights or completing online purchases, all while maintaining user oversight and safety controls.