{
  "cer": {
    "total": 40,
    "paired": 40,
    "counts": {
      "improved": 3,
      "regressed": 0,
      "unchanged": 37,
      "excluded": 0
    },
    "reference_characters": 3754,
    "metric_version": "cer-v1",
    "normalization_version": "cer-normalize-v1",
    "baseline": {
      "macro_cer": 0.02911948394143125,
      "corpus_cer": 0.02823654768247203,
      "character_errors": 106
    },
    "candidate": {
      "macro_cer": 0.024703729773531476,
      "corpus_cer": 0.024773574853489612,
      "character_errors": 93
    },
    "delta": {
      "macro_cer": -0.004415754167899775,
      "corpus_cer": -0.003462972828982419
    }
  },
  "wer": {
    "tokenizer": "NFKC + casefold; regex [a-z0-9]+(?:'[a-z0-9]+)*; no number/contraction expansion; not the official LibriSpeech scoring recipe",
    "baseline": {
      "errors": 67,
      "reference_words": 873,
      "corpus_wer": 0.07674684994272624
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    "candidate": {
      "errors": 59,
      "reference_words": 873,
      "corpus_wer": 0.06758304696449026
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  },
  "audio_seconds": 324.1250625,
  "transcription_seconds": {
    "baseline": 12.610516633000316,
    "candidate": 14.735618735000344
  },
  "outputs_identical": 33,
  "finished_at_utc": "2026-09-28T02:23:51.824086+00:00"
}