Experience the Future of Text-to-Speech with CosyVoice 2
Welcome to the next generation of text-to-speech technology. CosyVoice 2 offers groundbreaking features including multilingual support and near-human speech quality.

What is CosyVoice 2?
CosyVoice 2 is your ultimate tool for seamless and lifelike text-to-speech conversions across multiple languages, making it an ideal solution for developers.
- Global Language SupportCosyVoice 2 can generate speech in different languages and dialects, enhancing its versatility.
- Voice Cloning TechnologyClone any voice quickly without extensive data, perfect for personalized applications.
- Open Source AccessFast, efficient, and open-source, CosyVoice is easy to integrate into various platforms.
Why Choose CosyVoice 2?
Explore how CosyVoice 2 can revolutionize your text-to-speech projects with cutting-edge features.



Unveiling CosyVoice 2 Features
Delve into the powerful features of CosyVoice 2. With advanced text-to-speech capabilities, it offers unparalleled performance and flexibility.
Multilingual Support
Select from multiple languages including Chinese, English, Japanese, and regional dialects for TTS applications.
Voice Cloning
Use state-of-the-art zero-shot learning to clone voices quickly and accurately with minimal data.
Low-Latency Synthesis
Reduces synthesis latency to just 150ms, providing real-time streaming capabilities.
Open Source
Licensed under Apache-2.0, access the code and models openly on platforms like GitHub.
Cross-Platform Support
Deploy on various platforms including web, mobile, and desktop applications with Docker support.
API Integration
Easy-to-use REST APIs for seamless integration with existing applications and services.
Key Statistics of CosyVoice 2
CosyVoice 2 represents a leap forward in voice synthesis technology, offering unmatched capabilities in speed, accuracy, and versatility.
Capable of
50+
languages supported
Improved Pronunciation
50%
error reduction
Low Synthesis
150ms
latency in milliseconds
What Our Users Say
Hear what our satisfied users have to say about CosyVoice 2 and its incredible performance in multilingual TTS synthesis.
Emma
AudioTech Inc.
CosyVoice 2 has changed the way we handle multilingual audio content. The naturalness and speed of its synthesis are game-changers for us.
Aiden
Creative Voiceworks
The zero-shot voice cloning is just what our project needed. CosyVoice delivers voices that feel authentic and lively.
Liam
VirtualAssist.me
With CosyVoice 2, our AI assistants are more interactive and human-like, responding in an instant.
Sophia
LinguaTech
Switching languages seamlessly in CosyVoice was revolutionary for our global app users. This tool is invaluable!
Oliver
DigitalNarrators
CosyVoice 2 exceeded our quality expectations with its low latency and accurate delivery of voices.
Mia
Tech Innovate
The open-source nature of CosyVoice allows us to customize it to fit our unique needs, transforming our digital platform.
Frequently Asked Questions
Answers to common questions about CosyVoice 2.
What languages does CosyVoice 2 support?
CosyVoice 2 supports a wide range of languages including Chinese, English, Japanese, Korean, and more. It even includes regional dialects.
How can I set up CosyVoice?
You can download CosyVoice from its GitHub repository and set it up using the provided instructions on web demos and model deployment.
Does CosyVoice support voice cloning?
Yes, it allows for zero-shot voice cloning, meaning you can create voices with minimal training data.
How accurate is the pronunciation in CosyVoice 2?
CosyVoice 2 has improved its pronunciation accuracy and reduced errors by up to 50%, making it nearly as good as commercial models.
Is CosyVoice open-source?
Yes, CosyVoice is open-source and available under the Apache-2.0 license.
What is the synthesis latency of CosyVoice 2?
CosyVoice 2 achieves low-latency synthesis, starting in just 150ms, perfect for real-time applications.
Can I deploy CosyVoice for commercial use?
Yes, it supports Docker deployment and can be integrated with various systems using its APIs.
What are the steps to install CosyVoice?
Installation requires setting up a Conda environment and downloading models from ModelScope.
How does CosyVoice handle mixed-language texts?
CosyVoice performs exceptionally well in multilingual environments, handling mixed-language texts effortlessly.
What are the system requirements for CosyVoice?
Users need to setup a standard Python environment; the model can then be deployed via Docker or other methods.
Ready to Transform Your Voice Applications?
Experience the ultimate in multilingual voice synthesis. Download CosyVoice 2 today and transform your voice applications.