Tool
Hume AI
Emotionally controllable speech / empathic voice

About
Build & measure AI the way people experience it, based on research and grounded in real human judgment
Custom data collection built around your specific scenarios, use cases, and evaluation requirements.
Kairos lets voice AI teams build evaluation suites from real-world use cases, simulate agent-to-agent and human-to-agent conversations, and track regressions over time, all in record speed.
Real-time expression measurement and offline analysis across 48+ emotion categories and 50+ languages with 600+ output metrics, built for voice-native AI teams who need to know how callers are expressing themselves.
Features
- Leaderboards
- Kairos Simulate + Evaluate
- Expression Measurement API
- Human Feedback API
- Data Solutions
- Real World VoiceEQ Bench
- Pricing
- Freemium
- Pricing detail
- Free TTS/EVI quota then paid plans
- Platforms
- API, Web
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