Text to Speech Model
HeyGen Voice
Text to Speech by HeyGen
Publisher
HeyGen
TypeText to Speech
Context Window5,000 tokens
ReleasedOctober 2026
Price$0.04/request
Provider
WaveSpeed
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Parameters & options
VoiceSelect
A HeyGen voice. Ignored when a reference recording is given.
Reference AudioAudio URL
A recording of one speaker to clone in place of a HeyGen voice. Only its first 3 minutes are used.
LanguageSelect
The language of the text. Detected from the text when unset.
ExpressivenessNumber
How expressive the delivery is, from 0 to 1.
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