Supertonic 3
The facts below are what the maker publishes about Supertonic 3, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Supertonic 3's own pages, with the date it was checked.
What it does
- API
- The maker links a Supertone API for expressive voice generation across 31 languages with adjustable speech controls.checked 12 Oct 2026
- API access
- Yeschecked 20 Sep 2026
- API service
- The maker describes a Supertone API for expressive voice generation across 31 languages with adjustable speech controls.checked 12 Oct 2026
- Code license
- The Python package, runtime bindings, and example code are MIT-licensed with attribution required.checked 12 Oct 2026
- Commercial use
- The model weights use OpenRAIL-M, which allows commercial use subject to use restrictions and attribution requirements.checked 12 Oct 2026
- Developer runtimes
- The maker lists Python, Node.js, web, iOS, Android, and C++ examples and install instructions.checked 12 Oct 2026
- Export formats
- WAVchecked 20 Sep 2026
- Integrations
- The maker lists Python, Node.js, web, iOS, Android, and C++ runtimes with examples.checked 12 Oct 2026
- Languages
- The model supports 31 languages without per-language fine-tuning.checked 12 Oct 2026
- Licensing limit
- The maker states that OpenRAIL-M has downstream use restrictions and is not equivalent to MIT.checked 12 Oct 2026
- Local use
- The maker says the model runs in a browser or fully offline on a machine, without a GPU, cloud service, or API.checked 12 Oct 2026
- Model license
- The model weights use OpenRAIL-M, which the maker says permits commercial use subject to use-based restrictions and attribution.checked 12 Oct 2026
- Model limitation
- The archived repository says its open-weight release focuses on fixed-voice local TTS and does not include an official voice-cloning pipeline.checked 12 Oct 2026
- Offline use
- The model can run in a browser or fully offline on a local machine without a GPU, cloud connection, or API for synthesis.checked 12 Oct 2026
- Output
- The archived repository says the model outputs 44.1 kHz, 16-bit WAV audio.checked 12 Oct 2026
- Paid service mention
- The maker says a Pro Play Desktop subscription unlocks commercially licensed voices, zero-shot cloning, and unlimited usage.checked 12 Oct 2026
- Performance claim
- In the maker's benchmark, Supertonic 3 produced audio at 5.00 times real time on a 16-thread CPU across 30 samples.checked 12 Oct 2026
- Preset voices
- Supertone Play offers 263 voices across scenes and emotions and lets users try Supertonic 3 in a browser without installation.checked 12 Oct 2026
- Product
- Supertonic 3 is a 99M-parameter open-weight multilingual text-to-speech model that runs locally on CPU using ONNX Runtime.checked 12 Oct 2026
- Purpose
- Supertonic 3 is a 99M-parameter open-weight text-to-speech model that runs locally on CPU through ONNX Runtime.checked 12 Oct 2026
Where it runs
- Browser service
- The linked Supertone Play page is described as offering 263 voices across scenes and emotions in a browser without installation.checked 12 Oct 2026
- Platforms
- web,ios,android,apichecked 20 Sep 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
The company
- Headquarters
- Seoul, Republic of Koreachecked 28 Sep 2026
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