CosyVoice2-0.5B: Multilingual Voice Generation Redefined
CosyVoice2-0.5B is your ultimate solution for multilingual voice generation, supporting multiple languages and dialects with cutting-edge features like zero-shot voice cloning and low-latency streaming synthesis. Experience high-quality, natural speech output like never before.

Exploring CosyVoice
CosyVoice is revolutionizing how we interact with technology by providing seamless and natural text-to-speech capabilities across languages.
- Natural User ExperienceCreate authentic and varied speech outputs that sound as natural as a human, with no noticeable differentiation from actual human speech.
- Instant IntegrationIncorporate CosyVoice's real-time speech synthesis into interactive applications, ensuring instant and engaging user interactions.
- Cross-Language FluencyHarness multilingual capabilities, breaking language barriers to provide seamless communication and interaction for everyone.
Why Choose CosyVoice?
CosyVoice offers cutting-edge multilingual capabilities, providing users with versatile and efficient text-to-speech solutions.



Innovative Features of CosyVoice
Discover a range of powerful features designed to deliver high-quality, efficient, and versatile speech synthesis for a variety of applications.
Multilingual Support
Benefit from a multilingual model that excels in synthesizing speech across various languages and dialects, providing versatility in diverse linguistic contexts.
Real-Time Performance
CosyVoice's low-latency capabilities ensure seamless integration into real-time applications, making it ideal for virtual assistants and more.
Complex Task Handling
From regular speech synthesis to complex tasks like tongue twisters, CosyVoice handles it all with ease and clarity.
Voice Customization
Fine-tune voice characteristics including pitch, speed, and emotion to create the perfect voice for your specific needs.
Streaming Synthesis
Enable continuous speech generation with streaming capabilities, perfect for long-form content and real-time applications.
Cross-Platform Support
Deploy CosyVoice across various platforms and environments with consistent performance and quality.
What Makes CosyVoice Stand Out
CosyVoice sets new standards in voice synthesis with unparalleled performance and adaptability across numerous applications.
Multilingual Reach
5+
languages supported
Blazing Speed
150ms
faster response time
Exceptional Quality
5.53
quality score
What Our Users Say
Hear from our satisfied users about how CosyVoice has transformed their projects and applications.
Alex
Tech Startup
CosyVoice has completely transformed our virtual assistant application, elevating the user experience through its natural and engaging voice synthesis.
Jamie
Education Innovator
The ability to seamlessly synthesize speech in different languages has made our project a standout in the educational sector. CosyVoice is a game-changer!
Morgan
App Developer
Integrating CosyVoice into our app has been incredibly smooth. The reduction in latency has improved our service's responsiveness significantly.
Casey
Global Solutions
Our cross-language applications now have true flexibility, thanks to CosyVoice's unparalleled language support.
Taylor
Customer Engagement Specialist
The high-quality speech output provides our users with an experience that feels truly human, enhancing engagement and satisfaction.
Jordan
Audio Enthusiast
Thanks to the team behind CosyVoice for such a groundbreaking model. It's been a significant advancement in the text-to-speech arena.
CosyVoice FAQs
Find answers to common queries about setting up, using, and maximizing the potential of CosyVoice for your needs.
How do I set up CosyVoice?
To get started with CosyVoice, clone the GitHub repository, set up a Conda environment, and follow the installation instructions in the README file.
Which languages does CosyVoice support?
CosyVoice supports languages like Chinese, English, Japanese, Korean, as well as several Chinese dialects including Cantonese and Sichuanese.
Is CosyVoice open-source?
Yes, CosyVoice is an open-source project available under the Apache-2.0 license, allowing for broad use and contribution.
How can CosyVoice be deployed for production use?
You can deploy CosyVoice for real-world applications using Docker, which supports both command-line and interactive interfaces.
Does CosyVoice support voice cloning?
CosyVoice offers zero-shot voice cloning capabilities, allowing it to imitate voices with minimal data input.
What is the latency for CosyVoice?
CosyVoice achieves a first packet synthesis latency of 150ms, making it ideal for applications requiring quick responses.
Can I try CosyVoice before deploying it?
CosyVoice provides web demos and interactive interfaces to help users test and understand its capabilities before full deployment.
What improvements does CosyVoice 2.0 offer?
CosyVoice 2.0 introduces faster response times, improved pronunciation accuracy, and enhanced naturalness in speech output.
Can CosyVoice generate emotional speech?
Yes, users can control prosody and emotional expressions, allowing for more dynamic and expressive voice generation.
Where can I get support for CosyVoice?
For support and troubleshooting, refer to the GitHub issues page where community and developers provide assistance and updates.
Get Started with CosyVoice
Explore the revolutionary features and capabilities of CosyVoice by setting it up today and enjoy seamless text-to-speech solutions for your projects.