Hugging Face Launches Open TTS Leaderboard for Multilingual Voice Tech
Summarized by AI from reporting by Hugging Face Blog, published under our editorial policy.
Hugging Face has introduced the Open TTS Leaderboard to evaluate and compare text-to-speech (TTS) and voice cloning models. This open-source initiative aims to standardize performance metrics across different languages and dialects.

Key takeaways
- Hugging Face has launched the Open TTS Leaderboard to evaluate and compare text-to-speech (TTS) and voice cloning models.
- The leaderboard uses standardized metrics like Mean Opinion Score (MOS) and Equal Error Rate (EER) for automatic evaluations.
- The initiative supports multiple languages, including English, Spanish, French, German, and Mandarin.
- The Open TTS Leaderboard aims to improve the quality and accessibility of voice technology for a global audience.
Hugging Face has launched the Open TTS Leaderboard, a new platform designed to evaluate and compare text-to-speech (TTS) and voice cloning models. This initiative provides a standardized way to measure the performance of various models across different languages and dialects, making it easier for developers and researchers to identify the best tools for their needs.
Standardized Metrics for TTS and Voice Cloning
The Open TTS Leaderboard is an open-source project that allows users to submit their TTS and voice cloning models for evaluation. The platform uses a set of standardized metrics to assess the quality and accuracy of the models, including metrics for speech naturalness, intelligibility, and speaker similarity. This ensures that all models are evaluated on a level playing field, providing a clear and unbiased comparison.
Supported Languages and Evaluation Methods
The leaderboard currently supports evaluations in multiple languages, including English, Spanish, French, German, and Mandarin. It uses a combination of automatic and human evaluations to assess the models. Automatic evaluations include metrics like Mean Opinion Score (MOS) for speech quality and Equal Error Rate (EER) for speaker verification. Human evaluations involve listening tests where participants rate the naturalness and intelligibility of the generated speech.
Impact on Voice Technology Accessibility
For everyday users, the Open TTS Leaderboard is a significant step forward in improving the quality and accessibility of voice technology. As TTS and voice cloning models become more prevalent in applications like virtual assistants, audiobooks, and customer service, having a reliable way to evaluate their performance ensures that users get the best possible experience. This initiative also encourages developers to create more inclusive and diverse voice technologies that cater to a global audience.
How to Participate or Explore the Leaderboard
If you're a developer or researcher interested in submitting your TTS or voice cloning model to the Open TTS Leaderboard, you can visit the Hugging Face blog for detailed instructions on how to participate. For everyday users, this is an opportunity to stay informed about the latest advancements in voice technology and to provide feedback on the models being evaluated. You can also explore the leaderboard to see which models perform best in your preferred language.
Frequently asked
- How can I submit my TTS model to the Open TTS Leaderboard?
- You can visit the Hugging Face blog for detailed instructions on how to submit your TTS or voice cloning model for evaluation.
- Which languages are currently supported by the Open TTS Leaderboard?
- The leaderboard currently supports evaluations in English, Spanish, French, German, and Mandarin.
- What metrics are used to evaluate the models on the Open TTS Leaderboard?
- The leaderboard uses metrics like Mean Opinion Score (MOS) for speech quality and Equal Error Rate (EER) for speaker verification, along with human evaluations for naturalness and intelligibility.