{
  "id": "run_mmlu_anatomy_142",
  "suite_id": "suite_mmlu_anatomy",
  "case_id": "mmlu_anatomy_142",
  "experiment_id": "exp_2026_05_22_mmlu_full",
  "model": {
    "provider": "anthropic",
    "name": "claude-opus-4-7",
    "temperature": 0.0,
    "max_tokens": 4
  },
  "prompt": "Which of the following is NOT a function of the spleen?\nA. Filtering old red blood cells\nB. Producing antibodies\nC. Producing insulin\nD. Storing platelets\n\nAnswer:",
  "output": "C",
  "expected": "C",
  "scorer": {
    "id": "scorer_exact_match",
    "name": "exact_match",
    "type": "reference_based"
  },
  "score": 1.0,
  "label": "PASS",
  "evidence": {
    "rationale": "Output letter exactly matches the expected answer key."
  },
  "metrics": {
    "latency_ms": 412,
    "input_tokens": 58,
    "output_tokens": 1,
    "cost_usd": 0.0008
  },
  "tags": ["mmlu", "knowledge", "anatomy", "multiple-choice"],
  "timestamp": "2026-05-22T15:54:09Z"
}