{
  "run_id": "ctc-v2-prefix-beam-20260729T152530Z",
  "decoder": "ctc_prefix_beam",
  "config": {
    "beam_width": 10,
    "token_topk": 12,
    "lm_weight": 0.4,
    "token_bonus": 1.5
  },
  "lm": {
    "type": "character_ngram",
    "order": 3,
    "smoothing": 0.1,
    "training_rows": 100000,
    "uses_validation_text": false
  },
  "checkpoint_sha256": "38382437ace33611c15ddbbf718ddcd88bf25f31092883bdcab540734199648d",
  "seconds": 98.94471955299377,
  "greedy": {
    "all": {
      "rows": 920,
      "reference_chars": 45907,
      "edits": 10383,
      "insertions": 378,
      "deletions": 6859,
      "substitutions": 3146,
      "cer": 0.22617465745964668,
      "exact": 235,
      "exact_rate": 0.2554347826086957,
      "nonempty": 920,
      "nonempty_rate": 1.0
    },
    "calibration": {
      "rows": 200,
      "reference_chars": 9824,
      "edits": 2287,
      "insertions": 50,
      "deletions": 1619,
      "substitutions": 618,
      "cer": 0.2327972312703583,
      "exact": 56,
      "exact_rate": 0.28,
      "nonempty": 200,
      "nonempty_rate": 1.0
    },
    "heldout": {
      "rows": 720,
      "reference_chars": 36083,
      "edits": 8096,
      "insertions": 328,
      "deletions": 5240,
      "substitutions": 2528,
      "cer": 0.2243715877282931,
      "exact": 179,
      "exact_rate": 0.24861111111111112,
      "nonempty": 720,
      "nonempty_rate": 1.0
    }
  },
  "beam": {
    "all": {
      "rows": 920,
      "reference_chars": 45907,
      "edits": 9803,
      "insertions": 736,
      "deletions": 4615,
      "substitutions": 4452,
      "cer": 0.2135404186725336,
      "exact": 241,
      "exact_rate": 0.2619565217391304,
      "nonempty": 920,
      "nonempty_rate": 1.0
    },
    "calibration": {
      "rows": 200,
      "reference_chars": 9824,
      "edits": 2138,
      "insertions": 100,
      "deletions": 1081,
      "substitutions": 957,
      "cer": 0.21763029315960913,
      "exact": 55,
      "exact_rate": 0.275,
      "nonempty": 200,
      "nonempty_rate": 1.0
    },
    "heldout": {
      "rows": 720,
      "reference_chars": 36083,
      "edits": 7665,
      "insertions": 636,
      "deletions": 3534,
      "substitutions": 3495,
      "cer": 0.21242690463653244,
      "exact": 186,
      "exact_rate": 0.25833333333333336,
      "nonempty": 720,
      "nonempty_rate": 1.0
    }
  },
  "delta": {
    "all": {
      "cer_absolute": -0.012634238787113089,
      "exact_rate_absolute": 0.006521739130434745,
      "deletions": -2244,
      "insertions": 358,
      "substitutions": 1306
    },
    "calibration": {
      "cer_absolute": -0.015166938110749179,
      "exact_rate_absolute": -0.0050000000000000044,
      "deletions": -538,
      "insertions": 50,
      "substitutions": 339
    },
    "heldout": {
      "cer_absolute": -0.011944683091760666,
      "exact_rate_absolute": 0.009722222222222243,
      "deletions": -1706,
      "insertions": 308,
      "substitutions": 967
    }
  }
}