Inbox AI is an AI-driven personal productivity tool designed to help users manage and automate email tasks intelligently. It offers cloud-based AI services while also supporting privacy-focused local AI processing. Users can choose to use online AI or local AI according to their needs, enhancing daily work efficiency by reducing repetitive tasks and focusing on more important matters. Key benefits of Inbox AI include no recurring subscription fees, support for various input methods (such as email, screenshots, voice commands, etc.), integration with multiple applications (such as Notion, Obsidian, etc.), and an Apple Mail extension.