Voices and models
Spero has one model, spero-v1, and two voices. Both are built from recordings of real people who agreed to this use.
| Voice | Description |
|---|---|
| spero-f1 | Female, US English |
| spero-m1 | Male, US English |
Your request must name one of these. Any other voice name answers 400.
List them from the API
These need no key.
curl
Acceptable use
You may not use the voices to impersonate anyone, to commit fraud, or to pass the audio off as a human recording. The terms have the full rules.