HeyGen Voice Turbo, top of TTS leaderboard, goes free on OpenRouter until Nov 30
HeyGen · x · 2026-11-04
HeyGen's low-latency text-to-speech model Voice Turbo is free on OpenRouter until November 30, with no credits needed.
- The model topped the Artificial Analysis TTS leaderboard, tying 1st on most standard benchmark prompts
- Over 2,900 voice options across 39 languages, up to 5,000 characters per request
- Streams 44.1 kHz mono PCM audio; 10 default voices, or use your own HeyGen key to access your account's voice clones
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