{"slug": "zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model", "title": "Zyphra Releases ZONOS2, an Open-Weight Real-Time Voice-Cloning Model", "summary": "Zyphra released ZONOS2, an open-weight real-time voice-cloning model under the Apache 2.0 license, including model weights on Hugging Face and inference code on GitHub. The company also introduced ZTTS1 Eval, a new benchmark for measuring text-to-speech quality across clean and in-the-wild audio.", "body_md": "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. The release is broader than a hosted API update. Zyphra is publishing model weights on Hugging Face, inference code on GitHub, and evaluation code for ZTTS1 Eval, a new benchmark the company says is designed to measure TTS quality across both clean and in the wild audio. In practical terms, Zyphra is trying to make t...", "url": "https://wpnews.pro/news/zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model", "canonical_source": "https://runtimewire.com/article/zyphra-zonos2-open-weight-real-time-tts", "published_at": "2026-06-12 21:18:49+00:00", "updated_at": "2026-06-12 21:32:52.478947+00:00", "lang": "en", "topics": ["artificial-intelligence", "machine-learning", "generative-ai", "ai-products", "ai-research"], "entities": ["Zyphra", "ZONOS2", "Hugging Face", "GitHub", "ZTTS1 Eval"], "alternates": {"html": "https://wpnews.pro/news/zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model", "markdown": "https://wpnews.pro/news/zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model.md", "text": "https://wpnews.pro/news/zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model.txt", "jsonld": "https://wpnews.pro/news/zyphra-releases-zonos2-an-open-weight-real-time-voice-cloning-model.jsonld"}}