Gradium opens Phonon: Open-source TTS models under 50m params

Gradium@GradiumAIOct 20, 2026

A new frontier for on-device speech. We're open-sourcing Phonon, a suite of TTS models under 50m parameters, setting a new standard for naturalness and accuracy across languages, with the broadest inference support to date. Phonon-31m is available under Apache 2.0. https://t.co/Gvi7nqez9F

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Launched Oct 20, 2026View post

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