Multilingual WebGPU
What Supertonic-3 needs to run
Supertonic-3 is a 99-million-parameter multilingual model with first-party browser support and 31 listed languages. It is aimed at projects that need one model for several languages and generates 44.1 kHz audio.
Supertonic-3 is not ready in the generator yet. Review its size, runtime needs, and current limitations below, or use one of the available models . The compatibility check can also show whether your browser exposes the hardware features this model would need.
Specifications
| Developer | Supertone |
|---|---|
| Parameters | 99 million |
| Download size | 398 MB (fp32) |
| Output | 44.1 kHz mono |
| Listed voices | 10 |
| Languages | English (US), Korean, Japanese, Chinese, Spanish, French, German, Italian, Portuguese, Hindi, Arabic, Russian, Vietnamese, Indonesian, Thai, Turkish, Polish, Dutch |
| Voice cloning | No |
| Streaming | No |
| License | OpenRAIL-M (weights), MIT (code) — OpenRAIL-M allows commercial use subject to its use-based restrictions. Keep the model notice with redistributed copies. |
| Speed | WebGPU is recommended; CPU-only generation may be noticeably slower. |
| Runtime | WebAssembly, with WebGPU acceleration when available |
Specifications checked 2026-07-21 against:
Explore related downloads
The browser studio and downloadable catalog are separate. Use the catalog to find independently published model files and check each source before downloading.
Good fit when
- +31 languages in one model
- +Official browser-oriented ONNX support
- +44.1 kHz generated audio
Before you choose it
- −398 MB model download
- −WebGPU is recommended for practical generation speed
- −OpenRAIL-M terms include use-based restrictions
Questions about Supertonic-3
Does AIVoices charge to use Supertonic-3?
AIVoices does not charge generation credits for this browser model. The listed model license is OpenRAIL-M (weights), MIT (code). OpenRAIL-M allows commercial use subject to its use-based restrictions. Keep the model notice with redistributed copies.
What hardware does Supertonic-3 need?
The CPU path works in a current desktop browser, while WebGPU can improve generation speed. About 8 GB of RAM is recommended.
Is my text private when using Supertonic-3 here?
The supported model executes inside your browser tab. AIVoices does not send the text to a server for speech generation.
Can I use Supertonic-3 output commercially?
Commercial use depends on the model, selected voice, and source-data terms. This page lists OpenRAIL-M (weights), MIT (code) for the model and notes that OpenRAIL-M allows commercial use subject to its use-based restrictions. Keep the model notice with redistributed copies.