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Zyphra Releases ZONOS3-Mini Open-Source TTS Model

Zyphra launches ZONOS3-Mini, an open-source 100M active parameter text-to-speech model featuring voice cloning and real-time browser execution.

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11 Nov 2026Source: MarkTechPost2 min read (0 views)
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Zyphra Releases ZONOS3-Mini Open-Source TTS Model

Stock photo for illustration only, not from the actual event

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  • Zyphra has released ZONOS3-Mini, an open-source text-to-speech model under the Apache 2.0 license.
  • The model features 800 million total parameters with 100 million active parameters.
  • It supports voice cloning, word-by-word delivery control, and real-time execution directly in the browser.

Zyphra has officially introduced ZONOS3-Mini, a cutting-edge text-to-speech artificial intelligence model released under the Apache 2.0 open-source license. This release grants developers and researchers the freedom to utilize, modify, and integrate the technology into various applications.

From a technical standpoint, the model is engineered with a total of 800 million parameters, featuring 100 million active parameters that strike an optimal balance between high-fidelity voice output and computational efficiency.

100MActive Parameters
800MTotal Parameters
code software developer screen workspace

Stock photo for illustration only, not from the actual event

In terms of practical capabilities, ZONOS3-Mini introduces advanced features including precise voice cloning, granular word-by-word delivery control, and the capability to run seamlessly in real time directly within web browsers.

The decision by Zyphra to license ZONOS3-Mini under Apache 2.0 represents a significant milestone for accessibility in speech synthesis technology. By maintaining only 100 million active parameters while retaining advanced voice cloning and browser-based real-time performance, the model highlights a clear industry shift toward efficient Edge AI solutions that minimize heavy server-side infrastructure demands.

Source: MarkTechPost

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