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Gradium Open-Sources Phonon, a 31M-Parameter On-Device TTS Model Under Apache 2.0

MarkTechPost Asif Razzaq

Gradium open-sourced Phonon, an on-device text-to-speech model family with English 31M and other variants. The English Phonon 31m is 31M parameters and ships as a 64.5 MB q8 GGUF file under Apache 2.0. Developers can run TTS locally without a cloud call, with no GPU requirement, and with reported CPU first-audio latency of 6.9 ms.

Why it matters

Gradium has open-sourced Phonon, a family of on-device text-to-speech models. The English Phonon 31m ships under Apache 2.0, fits in 64.5 MB, and starts speaking in about 7 ms on a laptop CPU. The post Gradium Open-Sources Phonon, a 31M-Parameter On-Device TTS Model Under Apache 2.0 appeared first on MarkTechPost.

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