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Zyphra releases ZONOS3-Mini open-source TTS with 100M active parameters

By PulseAugur Editorial · [1 sources] ·

Zyphra has launched ZONOS3-Mini, an open-source text-to-speech model designed for real-time, on-device performance. This model features a sparse Mixture of Experts architecture with 800 million total parameters and 100 million active parameters, enabling zero-shot voice cloning and fine-grained control over audio delivery. ZONOS3-Mini is optimized to run across various platforms, including web browsers, laptops, and servers, with support for Nvidia GPUs, Apple Silicon, and general CPUs. AI

IMPACT This release offers a high-quality, efficient open-source TTS model that can run on consumer hardware, potentially lowering barriers for real-time voice applications.

RANK_REASON Release of an open-source model with detailed technical specifications and benchmark results. [lever_c_demoted from research: ic=1 ai=1.0]

Read on MarkTechPost →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Zyphra releases ZONOS3-Mini open-source TTS with 100M active parameters

How we ranked this

Signal score
29 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Release of an open-source model with detailed technical specifications and benchmark results. [lever_c_demoted from research: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. MarkTechPost TIER_1 English(EN) · Asif Razzaq ·

    Zyphra Releases ZONOS3-Mini: Open-Source TTS With 100M Active Parameters

    <p>Zyphra released ZONOS3-Mini, an Apache 2.0 text-to-speech model with 800M total and 100M active parameters. It clones voices, steers delivery word by word and runs in real time in the browser</p> <p>The post <a href="https://www.marktechpost.com/2026/11/10/zyphra-zonos3-mini-o…

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