Supertonic

Software product branded Supertonic; source verification could not be completed because public-web search and page fetch attempts hit Exa credit-limit errors.

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releasePRIMARY2026-05-17

Supertone opens Supertonic with ONNX on-device TTS

Supertone open-sourced Supertonic, a local TTS engine that runs faster than real time on phone CPUs with ONNX models and cross-language runtimes. Voice apps and audiobook workflows can use it to avoid per-character API billing and keep audio generation private.