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Cartesia

Sonic is the fastest human-like voice API.

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About

Sonic is a blazing fast, lifelike generative voice API (🚀 135ms model latency). Build high quality, real time voice experiences with a diverse voice library, instant voice cloning, voice mixing, and voice design with speed and emotion control.

Features

  • Generate natural, expressive voices with laughter in 40+
  • AI Voice Cloning

AI Features

  • voice clone

Pros

  • Real-time streaming TTS API suits interactive video and agent workflows.
  • Supports 40+ languages for fast multilingual voiceovers and localization.
  • Expressive voices include laughter, improving character and ad reads.

Cons

  • No iOS or Android apps mentioned for on-the-go editing.

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