Open Source AI Project


GPT-SoVITS is a cutting-edge Text-to-Speech (TTS) model designed specifically for Chinese language voice cloning.


GPT-SoVITS represents a pioneering leap in Text-to-Speech (TTS) technology, specifically tailored for the Chinese language, but with impressive multilingual capabilities. Its core purpose is to democratize voice cloning, making it accessible even to those with limited technical expertise and minimal voice data. Here’s a dive into the nuts and bolts of what makes GPT-SoVITS stand out:


At its heart, GPT-SoVITS is designed to break down barriers in voice cloning technology, enabling users to generate high-quality voice outputs from text. This technology is particularly aimed at users who wish to clone voices with a high degree of realism using only a small sample of audio data. Its applications are vast, ranging from personalized voice assistants to enhanced digital content creation, where the authenticity of the voice is paramount.


  • Zero-shot TTS: This remarkable feature allows users to convert text to speech instantly using just a 5-second sample of a voice. It’s a game-changer for quick demonstrations or prototypes, where time and data are limited.

  • Few-shot TTS: By leveraging a 1-minute audio sample for training, the model fine-tunes itself to achieve greater voice similarity and realism. This is a step up for projects requiring a closer match to the original voice.

  • Cross-Language Support: GPT-SoVITS isn’t just confined to Chinese; it extends its capabilities to English and Japanese, offering versatility in voice cloning across languages. This feature is especially valuable for multi-lingual content creation, allowing for a seamless transition between languages.

  • Integrated WebUI: The inclusion of a user-friendly WebUI tool simplifies the process of voice cloning. It offers functionalities like voice accompaniment separation, automatic training dataset splitting, Chinese Automatic Speech Recognition (ASR), and text annotation. These tools are instrumental in assisting beginners through the otherwise complex process of dataset preparation and model training.


  • Minimal Data Requirement: One of the most significant advantages of GPT-SoVITS is its ability to produce high-quality voice clones with as little as 5 seconds to 1 minute of voice data. This low threshold for entry makes advanced voice cloning accessible to a broader audience.

  • High Similarity to Original Voice: With the potential to achieve 80%-95% similarity with just a 5-second sample, and near-perfect likeness with a 1-minute sample, GPT-SoVITS sets a high standard for voice cloning fidelity.

  • Ease of Use: Designed with an out-of-the-box approach for Windows users, it significantly lowers the barrier to entry for individuals looking to explore voice cloning. The integrated WebUI further simplifies the process, making it user-friendly for non-experts.

  • Open-source Accessibility: Being open-source, GPT-SoVITS offers a transparent and collaborative platform for developers and researchers to contribute to, and benefit from, the ongoing advancements in voice cloning technology.

In essence, GPT-SoVITS stands out as a versatile, efficient, and user-friendly platform for voice cloning, particularly for the Chinese language, but also extending its reach to English and Japanese. Its emphasis on minimal data requirements, coupled with its high-quality output and cross-language support, makes it a valuable tool for anyone looking to create realistic voice clones for a variety of applications.

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