System requirements
What TetherVoice needs to run.
| Requirement | Minimum |
|---|---|
| macOS | macOS 11 Big Sur or later |
| RAM | 4 GB (8 GB recommended for the Large models) |
| Disk | 200 MB plus your chosen model (75 MB – 3.1 GB) |
| Permissions | Microphone and Accessibility |
Apple Silicon is recommended: Metal GPU acceleration makes local transcription roughly ten times faster than CPU-only.