Next-generation multilingual text-to-speech model

Introducing Octave 2: our next-generation multilingual text-to-speech model

What’s new:
– Fluent in 11+ languages
– 40% faster (<200ms latency⁠⁠) & 50% cheaper than Octave 1
– Multi-speaker conversation
– More reliable pronunciation
– New voice conversion & phoneme editing… pic.twitter.com/dkj7QElsXL

— Hume AI (@hume_ai) October 1, 2025