{
  "date": "2026-10-08",
  "purpose": "Single-file import, inspect and export workflow check; not a controlled accuracy or latency benchmark",
  "hardware": "Apple M1 Pro",
  "os": "macOS 27.0.1",
  "audio": {
    "file": "input.wav",
    "duration_seconds": 15.254938,
    "channels": 1,
    "sample_rate_hz": 16000,
    "speech": "Synthetic macOS Daniel voice, say -r 150",
    "script": "input.txt",
    "sha256": "236a6167b22e9ca4944ef036100e574786c45bb18009baf3036af8ceaceece08"
  },
  "network": "Available throughout; offline operation was not tested",
  "macwhisper": {
    "version": "13.12.2",
    "latest_version_tested": false,
    "plan": "Free (Upgrade to Pro shown)",
    "model": "Whisper C++ Base English (ggml-model-whisper-base.en), local, downloaded for this check",
    "original": "macwhisper-original.txt",
    "corrected_export": "macwhisper-corrected.txt",
    "correction": "Changed \u00a3230 to 2:30 in the app; confirmed in exported TXT",
    "setup_note": "Previous Large v3 Turbo selection failed because its model was missing. Used a fresh Base English download. Not scored as a current product defect."
  },
  "utter": {
    "version": "1.23",
    "mode": "Dictate",
    "model": "GPT-4o Mini Transcribe (cloud), as displayed in transcript inspector",
    "original_export": "utter-original.txt",
    "observation": "Maya the became my other; 2:30 and both negations preserved",
    "transcription_seconds_reported_by_app": 1.33
  },
  "limits": [
    "One synthetic voice and one sample",
    "Different models and processing routes",
    "Installed app versions, not verified latest releases",
    "No speed or accuracy winner",
    "No packet capture or offline check",
    "No Monologue or VoiceInk execution"
  ]
}