Hume AI is a research-driven AI company that builds voice and emotional intelligence APIs. Its core product, the Empathic Voice Interface (EVI), is a conversational AI that reads and responds to emotional cues in speech, adapting tone and pacing to the user's emotional state. EVI 2 (powered by the Octave model) is used in therapy, companionship, customer service, and accessibility applications. The company raised a $50M Series B and is positioned at the intersection of applied psychology and voice AI. Key features: - Empathic Voice Interface (EVI): voice AI that detects and responds to emotional cues in real time - Octave 2 model with multilingual support and 50% cost reduction from the previous generation - REST and WebSocket APIs for integrating voice and emotion into applications - Custom voice creation with emotional expression control - Streaming audio with low-latency turn-taking for natural conversation - Developer SDKs for web, mobile, and server-side integration
Free plan (5 min EVI/month). Starter $3/mo; Creator $14/mo; Pro $99/mo; Business $500/mo; Enterprise custom. EVI usage ~$0.05-$0.07/min depending on plan.