Gradium open-sources Phonon 31M‑parameter TTS model, 64.5 MB, 7 ms startup

Gradium open‑sourced Phonon, a family of on‑device TTS models; the English Phonon 31M model ships under Apache 2.0, occupies 64.5 MB and begins speaking in about 7 ms on a laptop CPU.

Benchmarks are the company's own; not independently verified.

Why it matters

Add Phonon as an on‑device TTS option; users will expect sub‑10 ms speech start.

For product managers

For your product

What does this mean for your product?

Try it on your product

Read at MarkTechPost

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Gradium open-sources Phonon 31M‑parameter TTS model, 64.5 MB, 7 ms startup

Get this every morning, written for your product.

Gradium open-sources Phonon 31M‑parameter TTS model, 64.5 MB, 7 ms startup