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Explore the latest AI tools by category.
Hume AI is an empathic voice AI platform built by a research lab specializing in emotional intelligence. Its flagship product, EVI (Empathic Voice Interface), enables real-time speech-to-speech conversations that both generate emotionally expressive speech and detect emotional cues in the user's voice. The Octave TTS engine allows developers to design unique voices from natural language descriptions and direct emotional delivery (e.g., 'whisper fearfully' or 'sound sarcastic'). TADA, an open-source LLM TTS model, reduces hallucinations and latency for production deployments. The Expression Measurement API provides emotion analysis from voice, video, and text inputs across 48+ emotion categories and 50+ languages. Hume AI targets developers and technical teams building custom voice experiences for entertainment, healthcare companions, and interactive AI agents. Free tier includes 10,000 TTS characters and 5 EVI minutes per month. Paid plans range from $3/month (Starter) to $500/month (Business), with enterprise options including HIPAA and SOC 2 Type II compliance. EVI overage rates start at $0.07 per minute on Starter and drop to $0.04 per minute on Business.
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