Aidena

Hume AI

Speech & AudioFreemiumVerifiedOpen Source

Emotionally intelligent voice AI platform offering text-to-speech, speech-to-speech, expression measurement, and human evaluation APIs. Differentiates with fine-grained emotion detection across 48 emotions in 50+ languages and open-source models like TTADA. Best for building empathic voice agents, conversational AI, and emotion-aware applications.

API

Available

Price

$0 – $500/ per month

License: proprietary (with some open-source models)