Zyphra Releases ZONOS2, an Open-Weight Real-Time Voice-Cloning Model

Zyphra is pairing open weights, Apache 2.0 licensing, hosted inference, and its own TTS eval in a direct challenge to closed voice platforms.

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Primary source: X

Why it matters

Zyphra is trying to turn open-weight voice cloning into a cloud business: the model is permissively licensed, but the easiest path to production runs through Zyphra Cloud.

Zyphra Releases ZONOS2, an Open-Weight Real-Time Voice-Cloning Model — Zyphra is pairing open weights, Apache 2.0 licensing, hosted inference, and its own TTS eval in a direct challenge to closed voice platforms.

Zyphra (@ZyphraAI) released ZONOS2, an Apache 2.0 real-time text-to-speech model for high-fidelity voice cloning, the company said Friday in a thread on X and a launch blog post.…

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