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supertone-inc/supertonic at 8.1K Stars With +827 Today: On-Device 31-Language TTS Runs on Raspberry Pi With 99M Parameters and No GPU
Supertonic ships a 99M-parameter text-to-speech model supporting 31 languages at 44.1kHz quality via ONNX Runtime — no cloud, no GPU, runs on desktop, browser, mobile, and Raspberry Pi. The model includes 10 expression tags (laugh, breath, sigh) for natural inflection and processes entire webpages into audio in under one second on CPU. At roughly 7x smaller than competing 0.7B-2B models, Supertonic trades peak voice quality for universal deployability. For builders adding voice to edge devices or privacy-sensitive applications, this is the most portable TTS option available.
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