{
  "eval_loss": 0.3753533959388733,
  "perplexity": 1.4555056935419122,
  "interpretation": "Lower perplexity indicates better model performance",
  "perplexity_range": {
    "excellent": "< 10",
    "good": "10-50",
    "acceptable": "50-100",
    "poor": "> 100"
  },
  "model_rating": "excellent"
}