HeyGen Voice Turbo is a lower-latency version of HeyGen Voice, HeyGen's in-house text-to-speech model, and heygen-voice-1-turbo is its faster speech generation tier. Use a public voice or create a clone from a recording; public voices and clones use the same speech endpoints. It has the same 10 default voices and streams 44.1 kHz mono PCM audio, with support for 39 languages and up to 5,000 characters per request.
$0.002
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Characters of text spoken per day on NagaAI, counted since November 2026.
HeyGen Voice Turbo is a lower-latency version of HeyGen Voice, HeyGen's in-house text-to-speech model, and heygen-voice-1-turbo is its faster speech generation tier. Use a public voice or create a clone from a recording; public voices and clones use the same speech endpoints.
On NagaAI, HeyGen Voice Turbo costs about $0.002 per 1k chars. You pay only for what you use, with no subscription.
It takes text as input and returns audio.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI SDK pointed at NagaAI. The API section on this page has a ready example.
