OpenVoice
Instant voice cloning TTS by MyShell requiring only a short audio reference.
About
OpenVoice, developed by MyShell with researchers from MIT and Tsinghua University, clones a voice from a short audio clip and then generates speech in that voice with detailed control over style parameters including emotion, accent, rhythm, pauses, and intonation. Tone color is decoupled from those style controls, which also enables zero-shot cross-lingual cloning: the target language does not need to appear in the reference audio or the training data. Version 2, released in April 2024, improved audio quality and added native support for English, Spanish, French, Chinese, Japanese, and Korean. The model builds on established TTS and VITS techniques and has powered voice cloning on the myshell.ai platform since May 2023, handling tens of millions of requests within its first months. Both versions are open source under the MIT license, permitting free commercial use, which makes the project a common starting point for developers adding voice cloning to their applications.
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Details
- Category
- Text-to-Speech (TTS)
- Price
- Free
- Platform
- Local/Desktop
- Difficulty
- Intermediate (3/5)
- License
- MIT
- Minimum VRAM
- 4 GB
- Added
- Apr 3, 2026
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