Moonshine Voice
Open source on-device speech to text and text to speech
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Live on-device transcription that starts working while the person is still talking.
What it is
An open source toolkit for building real-time voice agents. It transcribes speech and generates voice on the device, with no account or API key, and one library for Python, JavaScript, iOS, Android and desktop.
What it’s for
For adding voice to an app or agent without sending audio to the cloud.
Benefits
- Runs on the device, so it stays private
- One library across many platforms
- Models from 1 MB up to higher accuracy
Caveats
- According to its maker, its models beat Whisper Large V3 on accuracy
- Code and models are MIT; only legacy non-English models carry a non-commercial license





