HeyGen holds the top two spots on the @ArtificialAnlys text to speech leaderboard.
#1 HeyGen Voice Turbo
#2 HeyGen Voice
Turbo is the faster, cheaper mode of the voice model behind every HeyGen video. It's live on the API, and the Turbo endpoint is free until November 30.
HeyGenHeyGen Voice Turbo free APIModel APIs
Voice Turbo text-to-speech API free ($0 per million characters) through November 30, no credit card
HeyGen makes AI avatar and video tools and its own text-to-speech models. Its Voice Turbo TTS model is free on the API through November 30 with no credit card, using public voices or instant clones.
LiveNot verified yet
- Who qualifies
- See official page
- How to claim
- Create a HeyGen account, generate an API key and call the TTS endpoint with the free Turbo model (heygen-voice-1-turbo-free).
- Expiry
- 2026-11-30
Heads up. Shared best-effort free capacity with no uptime guarantee; may return 429 when busy. 30 requests per minute per workspace member by default. Public and instant voices only, no professional clones. HeyGen recommends it for tests, prototypes and small amounts of speech.
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Added Nov 2, 2026 · Updated Nov 2, 2026, 09:54 UTC