Beam.ai is a dedicated ChatGPT application for macOS that allows users to access and interact with ChatGPT through a native interface. The application requires no subscriptions or complex logins, making it easy and convenient to use. With Beam.ai, users can initiate chats instantly from any application by pressing a hotkey. It offers a seamless integration with the macOS environment, ensuring fast, lag-free performance, and support for both light and dark themes based on system preferences.