Chorus
$0.70 a month
Stock-voice text-to-speech
Checked 20 Sep 2026
Plans and prices
Sprag pricing
Chorus Design
$15 a month
Designs new voices from a text prompt
Checked 20 Sep 2026
Chorus Clone
$4.50 a month
Clones a voice from a short reference
Checked 20 Sep 2026
Symphony Notes
Free
Audio captioning · + $2.03 per 1M output tokens
Checked 7 Oct 2026
Rhythm
$0.08, paid once
Streaming and batch · realtime sessions cost 25% over batch rates
Checked 7 Oct 2026
Symphony
$0.09, paid once
Text, image, audio, and video in · text and speech out · tool calling · realtime sessions cost 25% over batch rates
Checked 7 Oct 2026
Chorus — built-in voice
$0.70, paid once
Built-in voices · $19.44 per 1M audio tokens
Checked 7 Oct 2026
Chorus — cloned voice
$4.50, paid once
$0.27 per hour of speech · + $1.00 per hour of reference audio
Checked 7 Oct 2026
Chorus — designed voice
$15, paid once
Voice design
Checked 7 Oct 2026