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Supertonic 3

Supertonic is a lightweight text-to-speech system for local inference. It runs with ONNX Runtime entirely on your device, with no cloud call required for synthesis.

KindOtherVersionRevision 091eca8Cgrade

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Other
File size
3.53–245 MB
Version
vRevision 091eca8
Updated
Sep 25, 2026
Downloads
2
Source
Hugging Face

Source excerpt

Supertonic is a lightweight text-to-speech system for local inference. It runs with ONNX Runtime entirely on your device, with no cloud call required for synthesis.

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1 source
Hugging FacePrimaryVersion 091eca862d2536848d39c62d3ca058a97498cbb2
huggingface.co/Rabidx/supertonic-3/tree/091eca862d2536848d39c62d3ca058a97498cbb2

Verified Sep 6

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Model artifacts

4 artifacts

onnx/duration_predictor.onnx

onnx · 3.53 MB · SHA-256 c3eb91414d5f…25db · Hugging Face

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onnx/text_encoder.onnx

onnx · 34.7 MB · SHA-256 c7befd5ea8c3…02ff · Hugging Face

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onnx/vector_estimator.onnx

onnx · 245 MB · SHA-256 883ac868ea02…c61c · Hugging Face

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onnx/vocoder.onnx

onnx · 96.7 MB · SHA-256 085de76dd8e8…c4ba · Hugging Face

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Source excerpts

2 excerpts

--- license: openrail language: - en - ko - ja - ar - bg - cs - da - de - el - es - et - fi - fr - hi - hr - hu - id - it - lt - lv - nl - pl - pt - ro - ru - sk - sl - sv - tr - uk - vi pipeline_tag: text-to-speech tags: - text-to-speech - speech-synthesis - tts - onnx - multilingual - on-device library_name: supertonic --- # Supertonic 3 | Lightning Fast, On-Device, Accurate TTS ![Supertonic 3 Preview](img/Supertonic3_HeroImage.png) <p align="center"> <a href="https://huggingface.co/spaces/Supertone/supertonic-3"><img src="https://img.shields.io/badge/Demo-Hugging_Face-yellow?style=for-the-badge" alt="Demo"></a> <a href="https://github.com/supertone-inc/supertonic"><img src="https://img.shields.io/badge/Code-GitHub-black?style=for-the-badge&logo=github" alt="Code"></a> <a href="https://pypi.org/project/supertonic/"><img src="https://img.shields.io/badge/Python-SDK-blue?style=for-the-badge&logo=python" alt="Python SDK"></a> </p> **Supertonic** is a lightweight text-to-speech system for local inference. It runs with ONNX Runtime entirely on your device, with no cloud call required for synthesis. **Supertonic 3** expands the open-weight release from 5 to **31 languages**, improves reading stability, and reduces repeat/skip failures. ## Quick Start Install the Python SDK and generate speech immediately. On first run, the SDK downloads the model assets from Hugging Face. ```bash pip install supertonic ``` ```python from supertonic import TTS tts = TTS(auto_download=True) style = tts.get_voice_style(voice_name="M1") text = "A gentle breeze moved through the open window while everyone listened to the story." wav, duration = tts.synthesize(text, voice_style=style, lang="en") tts.save_audio(wav, "output.wav") print(f"Generated {duration:.2f}s of audio") ``` ## What's New in Supertonic 3 - **31 languages**: expanded from the 5-language Supertonic 2 release. - **More stable reading**: fewer repeat and skip failures, especially on short and long utterances. - **Higher speaker similarity**: improved similarity across the shared-language set compared with Supertonic 2. - **Expression tags**: supports simple tags such as `<laugh>`, `<breath>`, and `<sigh>`. ## Custom Voices and Audio Samples The open-weight package includes fixed preset voice styles for immediate local inference. If you want to hear how Supertoni...

Source context: 2 downloads · 1 likes · Pipeline text-to-speech · Library supertonic · Repo Rabidx/supertonic-3