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HeyGen Voice Turbo

HeyGen Voice Turbo, a text-to-speech model from WaveSpeed.
speechModelOverride: { model: "heygen-voice-turbo" }
HeyGen·served viaWaveSpeed·Released October 2026
Pricing
List price
$0.005/request
Per generation
$0.00010
Specifications
Context window
5,000 tokens
Released
October 2026
Model string
heygen/voice/turbo
Capabilities
Fast
Parameters
Model options, passed in speechModelOverride.config.
ParameterTypeDefaultRange / options
voice
A HeyGen voice. Ignored when a reference recording is given.
SelectJonahJonahNadineTabithaSorenElowenVincent+18
reference_audio
A recording of one speaker to clone in place of a HeyGen voice. Only its first 3 minutes are used.
Audio URL——
language
The language of the text. Detected from the text when unset.
Select—arbebgcazhhr+33
expressiveness_boost
How expressive the delivery is, from 0 to 1.
Number10–1, step 0.1
Voices · 24
Jonah
Nadine
Tabitha
Soren
Elowen
Vincent
Jocelyn
Marielle
Corinne
Lucian
Kieran
Hugh
Noelle
Bram
Ewan
Iona
Cecily
Simon
Weston
Felicity
Gareth
Rory
Meredith
Sabrina
Use this model
await mindstudio.textToSpeech({
  text: "...",
  speechModelOverride: {
    model: "heygen-voice-turbo",
    config: {
      voice: "Jonah",
      expressiveness_boost: 1,
    },
  },
});