Inflection Pi
Pi is a personal AI assistant designed for supportive, emotionally intelligent, and natural conversations.
Pi, developed by Inflection AI, is a 'Personal Intelligence' AI assistant focused on high emotional intelligence (EQ) to serve as a sounding board, coach, and personal assistant. It features a high-EQ conversational engine, real-time voice mode 2.0 that detects vocal intonations, and builds a personal knowledge graph for long-term memory of user interactions. As of 2026, Pi has expanded to offer API capabilities for developers to integrate 'empathy-as-a-service' into their applications.
Inflection Pi maintains 6M monthly traffic and offers unlimited free conversations, but the company is in clear decline after co-founders and most staff departed for Microsoft in 2024. The pivot from consumer chatbot to B2B API model indicates strategic uncertainty and reduced focus on the Pi product.
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Visit the official Inflection Pi website