Hume EVI
Empathic voice TTS with sub-150ms TTFA
by humeApp Infrastructure
About
Hume AI's Empathic Voice Interface and Octave TTS — emotion-aware text-to-speech with ~150ms TTFA across 20+ languages. Consistently top-5 in 2026 voice-agent platform comparisons.
Choose Hume EVI when…
- •You need emotion-aware voice synthesis for character or wellness products
- •Sub-150ms TTFA matters more than the cheapest token price
- •You want a single API for TTS + emotion conditioning
Builder Slot
How does your AI speak and listen?Optional for most stacks
Speech synthesis and recognition APIs — text-to-speech, speech-to-text, and real-time audio intelligence
Dev Tools
Not applicable
App Infra
Optional
Hybrid
Optional
Other tools in this slot:
Stack Genome Detection
AIchitect's Genome scanner detects Hume EVI in your project via these signals:
npm packages
humepip packages
humeenv vars
HUME_API_KEYAlternatives to consider (2)
Pricing
✦ Free tier available
StarterFrom $5/1k chars
ProCustom
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