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      "stopReason": "end_turn",
      "temperature": null,
      "output": "Negative"
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      "taskId": "follow_format_primes",
      "category": "instruction",
      "model": "claude-opus-5",
      "pass": true,
      "ms": 2629,
      "usage": {
        "input_tokens": 37,
        "cache_creation_input_tokens": 0,
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        "service_tier": "standard",
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      },
      "stopReason": "end_turn",
      "temperature": null,
      "output": "2,3,5"
    },
    {
      "taskId": "constraint_no_e",
      "category": "instruction",
      "model": "claude-opus-5",
      "pass": false,
      "ms": 4606,
      "usage": {
        "input_tokens": 51,
        "cache_creation_input_tokens": 0,
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        },
        "service_tier": "standard",
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      },
      "stopReason": "end_turn",
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      "output": "Vast blue sky hangs high, calm and still."
    },
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      "taskId": "exact_word_count",
      "category": "instruction",
      "model": "claude-opus-5",
      "pass": true,
      "ms": 3171,
      "usage": {
        "input_tokens": 26,
        "cache_creation_input_tokens": 0,
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        "output_tokens_details": {
          "thinking_tokens": 16
        },
        "service_tier": "standard",
        "inference_geo": "global"
      },
      "stopReason": "end_turn",
      "temperature": null,
      "output": "soft cool falling drops soothing"
    },
    {
      "taskId": "json_emit",
      "category": "json",
      "model": "claude-opus-5",
      "pass": true,
      "ms": 2965,
      "usage": {
        "input_tokens": 63,
        "cache_creation_input_tokens": 0,
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        },
        "service_tier": "standard",
        "inference_geo": "global"
      },
      "stopReason": "end_turn",
      "temperature": null,
      "output": "{\"name\": \"winthrop\", \"version\": 1}"
    },
    {
      "taskId": "js_reverse_words",
      "category": "code",
      "model": "claude-opus-5",
      "pass": true,
      "ms": 2557,
      "usage": {
        "input_tokens": 72,
        "cache_creation_input_tokens": 0,
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        },
        "service_tier": "standard",
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      },
      "stopReason": "end_turn",
      "temperature": null,
      "output": "```javascript\nfunction reverseWords(s) {\n  return s.split(' ').reverse().join(' ');\n}\n```"
    },
    {
      "taskId": "js_sum_divisibles",
      "category": "code",
      "model": "claude-opus-5",
      "pass": true,
      "ms": 3988,
      "usage": {
        "input_tokens": 72,
        "cache_creation_input_tokens": 0,
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        },
        "service_tier": "standard",
        "inference_geo": "global"
      },
      "stopReason": "end_turn",
      "temperature": null,
      "output": "```javascript\nfunction sumDivisibles(n) {\n  let sum = 0;\n  for (let i = 1; i < n; i++) {\n    if (i % 3 === 0 || i % 5 === 0) {\n      sum += i;\n    }\n  }\n  return sum;\n}\n```"
    }
  ]
}