Credits
Voicebox
The Lyrevox studio is built on Voicebox by Jamie Pine and contributors, used under the MIT License. Our changes to it are kept as a small open-source fork at github.com/lyrevox/voicebox. Lyrevox is not affiliated with the Voicebox project.
MIT License Copyright (c) 2026 Voicebox Contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Voice models
Each engine in your studio runs an open model under its own licence.
Qwen3-TTS by Qwen team, Alibaba Cloud
Voice cloning, CustomVoice and VoiceDesign engines
Chatterbox by Resemble AI
Chatterbox Multilingual and Chatterbox Turbo engines
Kokoro by hexgrad
Kokoro engine and preset voices
Whisper by OpenAI
Transcribing voice samples
Chatterbox output carries Resemble AI’s Perth watermark, which Lyrevox keeps switched on. Some engines that Voicebox supports are not offered because their model licences don’t permit a paid service or are unclear.
This site
Set in Newsreader by Production Type and Atkinson Hyperlegible Next by the Braille Institute, both under the SIL Open Font License.