Sovereign Voice
Sovereign Voice is a private, local speech synthesis engine that runs text-to-speech models directly on Apple Silicon Macs.
Open productWhat it does
About Sovereign Voice
Sovereign Voice is an on-device text-to-speech engine designed for Apple Silicon Macs running macOS 13 or later. Powered by the Qwen3-TTS 0.6B model via MLX and Metal GPU acceleration, it operates entirely offline to generate voice audio without relying on cloud services, monthly API subscriptions, or per-character pricing.
- Availability:
- launched
- Access:
- freemium
- Format:
- software
- Platform:
- macos
Pricing at launch: Free tier includes 25 generations; Pro plan is a one-time purchase of $19 without monthly API bills.
Core capabilities
On-Device Speech Synthesis
Executes speech synthesis completely offline using the Qwen3-TTS 0.6B model via MLX and Apple Metal GPU acceleration.
Pro Studio & Voice Customization
Provides 6 included voices, voice cloning, Whisper WER grading in Studio mode, 4 latent controls, long-form synthesis, and audio post-processing.
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