Phonon
1 article tagged with Phonon
October 23, 2026
model release
Gradium open-sources Phonon 31m, a 31M-parameter on-device TTS model under Apache 2.0
Gradium has open-sourced Phonon, a family of on-device text-to-speech models. The English Phonon 31m has 31M parameters, ships under Apache 2.0, fits in 64.5 MB, and starts speaking in about 7 ms on a laptop CPU.