Leaderboard · Model
Hume Octave
Ranked #4 of 11 models by blind A/B votes against a real human recording. Humanness 100 means listeners can no longer tell it from the person.
Standings as of August 31, 2026 · refreshed every 5 minutes
Hear it
“Thanks for calling — I can get that rescheduled for Thursday morning. Does that work for you?”
Background
Hume AI positions Octave as emotionally intelligent TTS — a speech model built on an LLM backbone that interprets what it reads. Via the Speko gateway it currently exposes a male voice only, so it competes in male pairings.
On the board
Live results — the numbers move as votes land. Latency is measured at the Speko gateway (warm first-audio, n=30); price is the provider's published rate. Method details on the methodology page; raw standings as open data (CC BY 4.0).