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[GitHub Trending] supertone-inc/supertonic

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On-device multilingual TTS via ONNX, relevant to AI/ML and edge inference.

Open Source github.com
Lightning-Fast, On-Device, Multilingual TTS — running natively via ONNX. - supertone-inc/supertonic
Summary

Supertonic is an open-source, on-device TTS system using ONNX Runtime for cross-platform inference, with models distributed via Hugging Face and 31-language support in v3. It offers SDKs in Python, Node.js, Rust, Go, C#, Java, and more, plus a Voice Builder for creating deployable edge-native voices. Performance is optimized for local inference with batch processing and 16-bit WAV output, making it a practical alternative to cloud TTS APIs.