{
  "epoch": 4,
  "accuracy": 0.864,
  "precision_macro": 0.861,
  "recall_macro": 0.842,
  "f1_macro": 0.851,
  "loss": 0.428,
  "eval_samples": 20000,
  "confusion_matrix": {
    "simple": {"simple": 4800, "medium": 420, "complex": 130},
    "medium": {"simple": 350, "medium": 5100, "complex": 520},
    "complex": {"simple": 110, "medium": 440, "complex": 5150}
  },
  "runtime_seconds": 1020,
  "gpu": "NVIDIA A100 40GB",
  "framework": "PyTorch",
  "transformers_version": "4.45.0"
}