Open Source
Zonos-v0.1 by Zyphra is a leading open-weight text-to-speech model trained on over 200,000 hours of varied multilingual speech data. It delivers expressiveness and quality on par with — or surpassing — top commercial TTS providers like ElevenLabs and Azure. Zonos supports voice cloning, emotional expression, and multiple languages out of the box. As a fully open-weight model, it can be self-hosted for privacy, cost control, and customization.