Hume AI
Free tierThe data and evaluation layer for emotionally intelligent voice AI
Free tier available·All audiences·API available
Key strengths
Emotionally intelligent voice AI evaluationExpression measurement across 48+ emotions and 50+ languages with 600+ output metricsHuman feedback at scale with pre-screened ratersAgent-to-agent and human-to-agent conversation simulation (Kairos)Voice AI leaderboards grounded in human judgmentReal-time expression measurement
Free tier + paid plans · from $3 USD/mo
No ratings yet
Hume AI is purpose-built for engineering teams working on voice AI systems that require emotional intelligence. Relevant technical use cases include:
- Voice AI Evaluation Pipelines: Use Kairos to run agent-to-agent or human-to-agent simulations at scale, automating regression testing for emotionally expressive voice models
- Expression Measurement & Benchmarking: Instrument voice outputs with 600+ metrics across 48+ emotions and 50+ languages to quantify emotional fidelity and track model improvements over time
- Human Feedback Collection: Integrate pre-screened rater workflows to generate ground-truth labels for training and fine-tuning emotionally intelligent models
- Real-Time Emotion Signals: Embed EVI into live voice applications to surface real-time expression data for adaptive response logic
- LLM-Powered Voice Apps: Connect external LLMs to Hume's voice and evaluation infrastructure to build and benchmark custom voice AI stacks
- Leaderboard Benchmarking: Compare voice AI model performance against human-judgment-grounded leaderboards