Kitten TTS

lastmod 2025-08-26created 2025-08-072 edits

A 25MB open-source TTS model that runs on CPU alone

About

• Kitten TTS is an open-source TTS (text-to-speech) model that aims for both lightweight size and high audio quality
• Uses only 15 million parameters, with a model size under 25MB
  • Its key feature is that, unlike other large TTS models, it can run in any environment, including mobile and embedded
• Capable of high-quality speech synthesis on any device without a GPU
• Offers a variety of premium voice options, supporting high-quality speech synthesis close to real voices
• Fast speech inference, optimized for real-time synthesis
• A developer preview model has been released; the fully trained model weights, a mobile SDK, a web version, and more are planned for sequential release

See also

• TTS

Favorite site

• Github - KittenML/KittenTTS
• Kitten TTS - A 25MB open-source TTS model that runs on CPU alone | GeekNews
• JoCoding Shorts - Kitten TTS