Pi is a free personal AI assistant by Inflection AI that is available on both mobile and web. It is designed to be an empathetic and supportive conversational companion that helps you explore ideas, get quick answers, and feel listened to 24/7. The web version of Pi is completely free to use, you don’t even need to make an account to start chatting! However, creating an account will allow you to save your past conversations and continue where you left off. One of the coolest features of Pi is the real-time voice responses, you can customize Pi’s voice by going into Profile > Account Settings.