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    "memory_free_percent": 40,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/explicit/fleurs-pl_pl",
    "load_average_1_5_15": [
     3.83,
     4.08,
     4.08
    ],
    "swap_used_mb": 9873.19,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/explicit/librispeech-dev-clean-long-form",
    "load_average_1_5_15": [
     3.96,
     4.09,
     4.08
    ],
    "swap_used_mb": 9817.06,
    "memory_free_percent": 36,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/explicit/librispeech-test-clean",
    "load_average_1_5_15": [
     4.3,
     4.17,
     4.11
    ],
    "swap_used_mb": 9809.06,
    "memory_free_percent": 35,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/explicit/librispeech-test-other",
    "load_average_1_5_15": [
     4.43,
     4.21,
     4.13
    ],
    "swap_used_mb": 9877.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/fleurs-de_de",
    "load_average_1_5_15": [
     3.26,
     3.92,
     4.02
    ],
    "swap_used_mb": 9797.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/fleurs-es_419",
    "load_average_1_5_15": [
     4.7,
     4.17,
     4.11
    ],
    "swap_used_mb": 9757.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/fleurs-fr_fr",
    "load_average_1_5_15": [
     3.65,
     3.96,
     4.03
    ],
    "swap_used_mb": 9741.31,
    "memory_free_percent": 39,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/fleurs-it_it",
    "load_average_1_5_15": [
     3.73,
     3.95,
     4.02
    ],
    "swap_used_mb": 9800.88,
    "memory_free_percent": 36,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/fleurs-pl_pl",
    "load_average_1_5_15": [
     4.0,
     4.0,
     4.04
    ],
    "swap_used_mb": 9784.88,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/librispeech-dev-clean-long-form",
    "load_average_1_5_15": [
     4.02,
     4.01,
     4.04
    ],
    "swap_used_mb": 9784.88,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/librispeech-test-clean",
    "load_average_1_5_15": [
     3.93,
     3.99,
     4.03
    ],
    "swap_used_mb": 9784.88,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "whisper-base/auto/librispeech-test-other",
    "load_average_1_5_15": [
     3.75,
     4.03,
     4.05
    ],
    "swap_used_mb": 9728.88,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/fleurs-de_de",
    "load_average_1_5_15": [
     4.59,
     4.11,
     4.07
    ],
    "swap_used_mb": 9696.88,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/fleurs-es_419",
    "load_average_1_5_15": [
     5.19,
     4.29,
     4.13
    ],
    "swap_used_mb": 9728.75,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/fleurs-fr_fr",
    "load_average_1_5_15": [
     5.46,
     4.51,
     4.23
    ],
    "swap_used_mb": 9687.5,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/fleurs-it_it",
    "load_average_1_5_15": [
     5.58,
     4.74,
     4.33
    ],
    "swap_used_mb": 9796.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/fleurs-pl_pl",
    "load_average_1_5_15": [
     5.74,
     4.89,
     4.4
    ],
    "swap_used_mb": 9700.31,
    "memory_free_percent": 34,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/librispeech-dev-clean-long-form",
    "load_average_1_5_15": [
     5.17,
     4.81,
     4.39
    ],
    "swap_used_mb": 9700.31,
    "memory_free_percent": 35,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/librispeech-test-clean",
    "load_average_1_5_15": [
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     4.7,
     4.36
    ],
    "swap_used_mb": 9700.31,
    "memory_free_percent": 38,
    "power_source": "AC"
   },
   {
    "label": "apple-dictation/explicit/librispeech-test-other",
    "load_average_1_5_15": [
     3.7,
     4.4,
     4.28
    ],
    "swap_used_mb": 9684.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/fleurs-de_de",
    "load_average_1_5_15": [
     4.04,
     4.25,
     4.23
    ],
    "swap_used_mb": 9612.31,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/fleurs-es_419",
    "load_average_1_5_15": [
     4.02,
     4.23,
     4.23
    ],
    "swap_used_mb": 9604.31,
    "memory_free_percent": 36,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/fleurs-fr_fr",
    "load_average_1_5_15": [
     4.24,
     4.26,
     4.24
    ],
    "swap_used_mb": 9642.56,
    "memory_free_percent": 36,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/fleurs-it_it",
    "load_average_1_5_15": [
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     4.63,
     4.38
    ],
    "swap_used_mb": 9618.56,
    "memory_free_percent": 35,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/fleurs-pl_pl",
    "load_average_1_5_15": [
     4.72,
     4.52,
     4.34
    ],
    "swap_used_mb": 9578.56,
    "memory_free_percent": 36,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/librispeech-dev-clean-long-form",
    "load_average_1_5_15": [
     5.15,
     4.61,
     4.37
    ],
    "swap_used_mb": 9578.56,
    "memory_free_percent": 37,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/librispeech-test-clean",
    "load_average_1_5_15": [
     4.97,
     4.59,
     4.37
    ],
    "swap_used_mb": 9578.56,
    "memory_free_percent": 39,
    "power_source": "AC"
   },
   {
    "label": "apple-speech/explicit/librispeech-test-other",
    "load_average_1_5_15": [
     5.32,
     4.74,
     4.44
    ],
    "swap_used_mb": 8722.06,
    "memory_free_percent": 35,
    "power_source": "AC"
   },
   {
    "label": "end",
    "load_average_1_5_15": [
     3.96,
     4.43,
     4.34
    ],
    "swap_used_mb": 8696.0,
    "memory_free_percent": 34,
    "power_source": "AC"
   },
   {
    "label": "start",
    "load_average_1_5_15": [
     4.89,
     4.84,
     4.58
    ],
    "swap_used_mb": 9320.25,
    "memory_free_percent": 39,
    "power_source": "AC"
   },
   {
    "label": "whisper-large-v3-turbo/explicit/fleurs-de_de",
    "load_average_1_5_15": [
     4.89,
     4.84,
     4.58
    ],
    "swap_used_mb": 9320.25,
    "memory_free_percent": 39,
    "power_source": "AC"
   },
   {
    "label": "whisper-large-v3-turbo/explicit/fleurs-es_419",
    "load_average_1_5_15": [
     4.51,
     4.67,
     4.55
    ],
    "swap_used_mb": 10122.69,
    "memory_free_percent": 43,
    "power_source": "AC"
   },
   {
    "label": "end",
    "load_average_1_5_15": [
     3.61,
     4.33,
     4.43
    ],
    "swap_used_mb": 10152.0,
    "memory_free_percent": 44,
    "power_source": "AC"
   }
  ]
 },
 "corpora": {
  "librispeech-test-clean": {
   "clips": 500,
   "audio_seconds": 3693.28,
   "normaliser": "whisper EnglishTextNormalizer"
  },
  "librispeech-test-other": {
   "clips": 500,
   "audio_seconds": 3254.83,
   "normaliser": "whisper EnglishTextNormalizer"
  },
  "fleurs-de_de": {
   "clips": 100,
   "audio_seconds": 1339.08,
   "normaliser": "whisper BasicTextNormalizer"
  },
  "fleurs-es_419": {
   "clips": 100,
   "audio_seconds": 1217.64,
   "normaliser": "whisper BasicTextNormalizer"
  },
  "fleurs-fr_fr": {
   "clips": 100,
   "audio_seconds": 1026.54,
   "normaliser": "whisper BasicTextNormalizer"
  },
  "fleurs-it_it": {
   "clips": 100,
   "audio_seconds": 1481.46,
   "normaliser": "whisper BasicTextNormalizer"
  },
  "fleurs-pl_pl": {
   "clips": 100,
   "audio_seconds": 1039.8,
   "normaliser": "whisper BasicTextNormalizer"
  },
  "librispeech-dev-clean-long-form": {
   "clips": 13,
   "audio_seconds": 652.54,
   "normaliser": "whisper EnglishTextNormalizer"
  }
 },
 "selection": {
  "seed": 20261024,
  "librispeech_count": 500,
  "fleurs_count": 100,
  "fleurs_revision": "70bb2e84b976b7e960aa89f1c648e09c59f894dd",
  "long_form_source_count": 100,
  "audio_format": "16 kHz mono 16-bit PCM WAV (afconvert, lossless from 16-bit sources)"
 },
 "method": {
  "audio": "Every engine reads the same 16 kHz mono 16-bit PCM WAV files, decoded losslessly from the public 16-bit sources.",
  "measurement": "One process per engine and corpus loads the model once, runs the first clip as an unmeasured warmup, then times one inference per clip with the audio already in memory. Engines run one at a time, never in parallel.",
  "latency": "Latency is inference time per clip (p50 and p90 over every measured clip); real-time factor is total inference time divided by total audio duration. Lower is better.",
  "wer": "Corpus WER = (substitutions + deletions + insertions) / reference words, after the same normaliser is applied to reference and hypothesis: Whisper's EnglishTextNormalizer for English, Whisper's BasicTextNormalizer (lower-case, punctuation removed, diacritics kept) for other languages. A failed clip scores as an empty transcript.",
  "memory": "Peak phys_footprint of the benchmark process (what Activity Monitor calls Memory). Apple's engines run recognition in a system process, so their footprint is not comparable and is not reported.",
  "language_modes": "explicit passes the corpus language (Parakeet --language hint, Whisper -l, Apple locale); auto lets the engine detect it. Apple's engines have no auto-detect. The headline table uses explicit."
 },
 "engines": [
  {
   "id": "parakeet-v3",
   "name": "Parakeet TDT v3",
   "apps_label": "Presspeech (default), MacParakeet, FluidVoice, Handy, VoiceInk, Superwhisper Pro",
   "runtime": "FluidAudio 0.17.7, CoreML on the Apple Neural Engine (presspeech-bench --backend v3, the app's released chunking config)",
   "presspeech": true,
   "offline": true,
   "apps": [
    {
     "name": "Presspeech",
     "role": "default",
     "price": "Free",
     "licence": "MIT",
     "page": "compare/index.html"
    },
    {
     "name": "MacParakeet",
     "role": "default",
     "price": "Free",
     "licence": "GPL-3.0",
     "page": "compare/macparakeet.html"
    },
    {
     "name": "FluidVoice",
     "role": "option",
     "price": "Free",
     "licence": "GPL-3.0",
     "page": "compare/fluidvoice.html"
    },
    {
     "name": "Handy",
     "role": "option",
     "price": "Free",
     "licence": "MIT",
     "page": "compare/handy.html"
    },
    {
     "name": "VoiceInk",
     "role": "option",
     "price": "Free trial, then $25 one-time",
     "licence": "GPL-3.0",
     "page": "compare/voiceink.html"
    },
    {
     "name": "Superwhisper",
     "role": "Pro option",
     "price": "Pro $8.49/month",
     "licence": "Proprietary",
     "page": "compare/superwhisper.html"
    }
   ],
   "runs": {
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      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2230,
      "substitutions": 101,
      "deletions": 17,
      "insertions": 45,
      "wer": 7.309,
      "audio_seconds": 1339.08,
      "latency_ms_p50": 79.5,
      "latency_ms_p90": 135.6,
      "latency_ms_mean": 89.5,
      "rtf": 0.0067,
      "prepare_seconds": 0.86,
      "peak_footprint_bytes": 68322168,
      "peak_footprint_bytes_time_l": 73728888,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-es_419": {
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      "failed_clips": 0,
      "reference_words": 2550,
      "substitutions": 72,
      "deletions": 13,
      "insertions": 29,
      "wer": 4.471,
      "audio_seconds": 1217.64,
      "latency_ms_p50": 68.5,
      "latency_ms_p90": 130.2,
      "latency_ms_mean": 80.4,
      "rtf": 0.0066,
      "prepare_seconds": 0.16,
      "peak_footprint_bytes": 65176440,
      "peak_footprint_bytes_time_l": 73696120,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-fr_fr": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2646,
      "substitutions": 107,
      "deletions": 21,
      "insertions": 73,
      "wer": 7.596,
      "audio_seconds": 1026.54,
      "latency_ms_p50": 74.1,
      "latency_ms_p90": 129.7,
      "latency_ms_mean": 83.8,
      "rtf": 0.0082,
      "prepare_seconds": 0.23,
      "peak_footprint_bytes": 63292256,
      "peak_footprint_bytes_time_l": 66093920,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-it_it": {
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      "failed_clips": 0,
      "reference_words": 2486,
      "substitutions": 56,
      "deletions": 14,
      "insertions": 37,
      "wer": 4.304,
      "audio_seconds": 1481.46,
      "latency_ms_p50": 80.6,
      "latency_ms_p90": 135.1,
      "latency_ms_mean": 93.2,
      "rtf": 0.0063,
      "prepare_seconds": 0.16,
      "peak_footprint_bytes": 65356640,
      "peak_footprint_bytes_time_l": 75465568,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-pl_pl": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 1953,
      "substitutions": 116,
      "deletions": 16,
      "insertions": 41,
      "wer": 8.858,
      "audio_seconds": 1039.8,
      "latency_ms_p50": 81.1,
      "latency_ms_p90": 153.2,
      "latency_ms_mean": 98.0,
      "rtf": 0.0094,
      "prepare_seconds": 0.15,
      "peak_footprint_bytes": 60588896,
      "peak_footprint_bytes_time_l": 66831200,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "librispeech-dev-clean-long-form": {
      "clips": 13,
      "failed_clips": 0,
      "reference_words": 1672,
      "substitutions": 43,
      "deletions": 11,
      "insertions": 6,
      "wer": 3.589,
      "audio_seconds": 652.54,
      "latency_ms_p50": 220.7,
      "latency_ms_p90": 438.4,
      "latency_ms_mean": 275.2,
      "rtf": 0.0055,
      "prepare_seconds": 0.35,
      "peak_footprint_bytes": 83280760,
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      "engine": "fluid-ParakeetTDTv3"
     },
     "librispeech-test-clean": {
      "clips": 500,
      "failed_clips": 0,
      "reference_words": 10098,
      "substitutions": 136,
      "deletions": 18,
      "insertions": 30,
      "wer": 1.822,
      "audio_seconds": 3693.285,
      "latency_ms_p50": 53.7,
      "latency_ms_p90": 90.8,
      "latency_ms_mean": 62.5,
      "rtf": 0.0085,
      "prepare_seconds": 16.73,
      "peak_footprint_bytes": 63996816,
      "peak_footprint_bytes_time_l": 69501840,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "librispeech-test-other": {
      "clips": 500,
      "failed_clips": 0,
      "reference_words": 8892,
      "substitutions": 278,
      "deletions": 37,
      "insertions": 51,
      "wer": 4.116,
      "audio_seconds": 3254.83,
      "latency_ms_p50": 53.3,
      "latency_ms_p90": 84.6,
      "latency_ms_mean": 61.3,
      "rtf": 0.0094,
      "prepare_seconds": 0.15,
      "peak_footprint_bytes": 51184480,
      "peak_footprint_bytes_time_l": 57246560,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     }
    },
    "auto": {
     "fleurs-de_de": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2230,
      "substitutions": 101,
      "deletions": 17,
      "insertions": 45,
      "wer": 7.309,
      "audio_seconds": 1339.08,
      "latency_ms_p50": 85.0,
      "latency_ms_p90": 159.8,
      "latency_ms_mean": 100.4,
      "rtf": 0.0075,
      "prepare_seconds": 0.42,
      "peak_footprint_bytes": 72827744,
      "peak_footprint_bytes_time_l": 83231584,
      "model_cache_bytes": 483256769,
      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-es_419": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2550,
      "substitutions": 72,
      "deletions": 13,
      "insertions": 29,
      "wer": 4.471,
      "audio_seconds": 1217.64,
      "latency_ms_p50": 70.2,
      "latency_ms_p90": 134.0,
      "latency_ms_mean": 84.4,
      "rtf": 0.0069,
      "prepare_seconds": 0.15,
      "peak_footprint_bytes": 70845256,
      "peak_footprint_bytes_time_l": 77480776,
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      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-fr_fr": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2646,
      "substitutions": 102,
      "deletions": 19,
      "insertions": 73,
      "wer": 7.332,
      "audio_seconds": 1026.54,
      "latency_ms_p50": 76.7,
      "latency_ms_p90": 122.7,
      "latency_ms_mean": 86.6,
      "rtf": 0.0084,
      "prepare_seconds": 0.24,
      "peak_footprint_bytes": 60392264,
      "peak_footprint_bytes_time_l": 65323848,
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      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-it_it": {
      "clips": 100,
      "failed_clips": 0,
      "reference_words": 2486,
      "substitutions": 56,
      "deletions": 14,
      "insertions": 37,
      "wer": 4.304,
      "audio_seconds": 1481.46,
      "latency_ms_p50": 100.8,
      "latency_ms_p90": 157.0,
      "latency_ms_mean": 102.9,
      "rtf": 0.0069,
      "prepare_seconds": 0.2,
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      "peak_footprint_bytes_time_l": 78742392,
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      "engine": "fluid-ParakeetTDTv3"
     },
     "fleurs-pl_pl": {
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      "failed_clips": 0,
      "reference_words": 1953,
      "substitutions": 116,
      "deletions": 16,
      "insertions": 41,
      "wer": 8.858,
      "audio_seconds": 1039.8,
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     "licence": "GPL-3.0",
     "page": "compare/voiceink.html"
    },
    {
     "name": "Superwhisper",
     "role": "Free-tier local Whisper",
     "price": "Free tier",
     "licence": "Proprietary",
     "page": "compare/superwhisper.html"
    },
    {
     "name": "Handy",
     "role": "option",
     "price": "Free",
     "licence": "MIT",
     "page": "compare/handy.html"
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    {
     "name": "FluidVoice",
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     "licence": "GPL-3.0",
     "page": "compare/fluidvoice.html"
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   "apps_note": "Apps other than VoiceInk do not document which Whisper runtime they use; this row measures whisper.cpp.",
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      "detected_languages": {
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      "system_info": "WHISPER : VITISAI = 0 | COREML = 0 | OPENVINO = 0 | MTL : EMBED_LIBRARY = 1 | CPU : NEON = 1 | ARM_FMA = 1 | FP16_VA = 1 | MATMUL_INT8 = 1 | DOTPROD = 1 | SME = 1 | ACCELERATE = 1 | OPENMP = 1 | REPACK = 1 | ",
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  },
  {
   "id": "whisper-base",
   "name": "Whisper base",
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   "model_file_bytes": 147951465,
   "offline": true,
   "apps": [
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     "name": "VoiceInk",
     "role": "option (whisper.cpp)",
     "price": "Free trial, then $25 one-time",
     "licence": "GPL-3.0",
     "page": "compare/voiceink.html"
    },
    {
     "name": "Superwhisper",
     "role": "Free-tier local Whisper",
     "price": "Free tier",
     "licence": "Proprietary",
     "page": "compare/superwhisper.html"
    },
    {
     "name": "Handy",
     "role": "option",
     "price": "Free",
     "licence": "MIT",
     "page": "compare/handy.html"
    },
    {
     "name": "FluidVoice",
     "role": "option",
     "price": "Free",
     "licence": "GPL-3.0",
     "page": "compare/fluidvoice.html"
    }
   ],
   "apps_note": "Apps other than VoiceInk do not document which Whisper runtime they use; this row measures whisper.cpp.",
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     "librispeech-test-other": {
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  {
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     },
     "librispeech-test-other": {
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     }
    },
    "auto": {
     "fleurs-de_de": {
      "unsupported": "no auto-detect mode"
     },
     "fleurs-es_419": {
      "unsupported": "no auto-detect mode"
     },
     "fleurs-fr_fr": {
      "unsupported": "no auto-detect mode"
     },
     "fleurs-it_it": {
      "unsupported": "no auto-detect mode"
     },
     "fleurs-pl_pl": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-dev-clean-long-form": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-test-clean": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-test-other": {
      "unsupported": "no auto-detect mode"
     }
    }
   }
  },
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     "page": "compare/apple-dictation.html"
    },
    {
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    },
    {
     "name": "FluidVoice",
     "role": "\"Apple Speech\" option",
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     "licence": "GPL-3.0",
     "page": "compare/fluidvoice.html"
    }
   ],
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     "fleurs-pl_pl": {
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     "librispeech-test-other": {
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    },
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     "fleurs-de_de": {
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     },
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     "fleurs-pl_pl": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-dev-clean-long-form": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-test-clean": {
      "unsupported": "no auto-detect mode"
     },
     "librispeech-test-other": {
      "unsupported": "no auto-detect mode"
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    }
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  },
  {
   "id": "wispr-flow",
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   "not_measured_reason": "cloud, not measured",
   "offline": false,
   "apps": [
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     "licence": "Proprietary",
     "page": "compare/wispr-flow.html"
    }
   ]
  }
 ]
}