LaunchAI ModelsOctober 20, 2026

Gradium open-sources Phonon, 31M on-device TTS models

Read original source →huggingface.co

English Phonon 31m ships under Apache 2.0 at 64.5 MB q8 GGUF with 37 built-in voices and 24 kHz output, running on CPUs, phones, Raspberry Pi 5 and browsers with no GPU. Gradium reports ~7 ms to first audio on CPU and 1.70% WER on a 500-sentence hard set versus 3.50% for Kokoro.

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6 days · 2 reports · 1 community post · from Oct 20

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