HeyGen Voice 1
by HeyGen
HeyGen's text-to-speech model for natural voice synthesis and digital avatars.
Renders expressive speech across 39 languages with consistent prosody, streaming 44.1 kHz audio and taking up to 5,000 characters per request. Serves through OpenRouter's speech API.
More details
HeyGen Voice 1 by HeyGen is a standard-speed AI text-to-speech model. Renders expressive speech across 39 languages with consistent prosody, streaming 44.1 kHz audio and taking up to 5,000 characters per request. Serves through OpenRouter's speech API. Key capabilities include 278 voices across 12 languages, up to 5,000 characters per request.
HeyGen Voice 1 is priced at $0.02 per 1,000 characters of input text. You can generate speech with HeyGen Voice 1 on idapt.app alongside 200+ AI models in one workspace.
Voices
1 · 1 languagesAny of these voices can be paired with HeyGen Voice 1. Pick a model for quality and speed, a voice for character and language.
Provider Default
Multilingual · Neutral
Pricing
Cost per 1,000 characters
$0.02
Typical paragraph (~500 chars)
$0.009
Billed on input text length
Capabilities
Speed
Standard: Balanced latency & quality
Emotion Control
Natural delivery only
Max Input
5,000 characters per request
Voices
1 voices · 1 languages
