Transform Text to Speech with CosyVoice2
Introducing CosyVoice2, the leading-edge multilingual voice generation model for text-to-speech synthesis. Now supporting zero-shot voice cloning, multiple languages, and dialects. Perfect for real-time applications.

What is CosyVoice2?
CosyVoice2 is a top-tier tool for generating speech from text with support for Chinese, English, Japanese, Korean, and numerous dialects, perfect for real-time applications.
- Instant CloningUndertake immediate voice cloning tasks with speedy execution.
- High Quality OutputsInteract with the system and achieve satisfaction with the high-quality speech output.
- Contribute FriendlyJoin and share contributions to improve this open-source project.
Why Choose CosyVoice2?
Discover the incredible features of CosyVoice2 that make it the perfect tool for multilingual text-to-speech synthesis.



CosyVoice2 Features
Explore the advanced features of CosyVoice2 that set it apart in the text-to-speech domain.
High-Speed Synthesis
Provides fast and responsive voice generation, starting synthesis in just 150ms.
Enhanced Pronunciation
Supports natural-sounding speech with reduced pronunciation errors by 30% to 50%.
Minimal Data Requirement
Enables voice cloning and synthesis even with limited training data.
Open Source
Offers open-source development under the Apache-2.0 license.
Real-time Applications
Designed to support real-time applications like virtual assistants and live translations.
Multilingual Support
Handles multiple languages and dialects smoothly for diverse needs.
CosyVoice2 Statistics
CosyVoice2 is renowned for its cutting-edge technology and accessibility.
Supports various
100+
speakers
Accessible in
5+
languages
Source
Open
models
Success Stories
Hear from those who have transformed their projects using CosyVoice2.
Sean
Developer at TechInnovators
Using CosyVoice2, I was able to seamlessly integrate multilingual speech into my virtual assistant application. Its zero-shot voice cloning capabilities were nothing short of impressive. Truly a game-changer!
Linda
Call Center Manager
CosyVoice2's low-latency and high-quality voice generation have boosted customer satisfaction in our call center application. Our clients are impressed by the natural and diverse language support.
Alex
Tech Analyst
Our eLearning platform's interactive lessons have never been more engaging, thanks to CosyVoice2's lifelike voice synthesis feature. We recommend it to anyone looking to enhance their audio experiences.
Martina
Media Specialist
The ability to seamlessly handle mixed-language content is extraordinary. CosyVoice2's performance has elevated our multimedia presentations significantly.
Ivan
Software Engineer
I appreciate the open-source nature of CosyVoice2. It has allowed us to customize and tailor the speech synthesis process to fit our unique needs.
Sara
API Developer
CosyVoice2's API was straightforward to integrate into our system, and the results were phenomenal. We couldn’t be happier with the naturalness of the synthesized voices.
Frequently Asked Questions
Common questions regarding CosyVoice2's capabilities, setup, and versatility.
What languages does CosyVoice2 support?
CosyVoice2 supports languages including Chinese, English, Japanese, Korean, and various Chinese dialects.
Is CosyVoice2 suitable for real-time applications?
Yes, CosyVoice2 can start synthesis in just 150ms, making it suitable for real-time applications.
How do I set up and use CosyVoice2?
The setup involves cloning the GitHub repo, installing Conda, and downloading models from ModelScope.
What is the licensing for CosyVoice2?
It's available under the Apache-2.0 license, offering open-source development opportunities.
What are the potential use cases for CosyVoice2?
CosyVoice2 can be used for virtual assistants, audiobooks, online learning, and more.
Can CosyVoice2 clone voices without prior data?
Yes, CosyVoice2 can perform zero-shot voice cloning with exceptional accuracy.
How does CosyVoice2 compare to other TTS models in terms of quality?
CosyVoice2 offers a high MOS, close to commercial TTS models, ensuring quality outputs.
Where can I find the CosyVoice2 installation guide?
The installation process can be followed in the GitHub repository documentation.
Can I deploy CosyVoice2 using Docker?
Yes, Docker can be used for deploying CosyVoice2 in various environments.
Can CosyVoice2 handle mixed-language text-to-speech?
It’s designed to handle mixed-language synthesis with ease, maintaining clarity and coherence.
Get Started with CosyVoice2
Join the revolution in text-to-speech technology with CosyVoice2. Start creating lifelike and dynamic conversational experiences today!