{
  "question": "q13",
  "model_1": "Qwen3.5-27B-UD-Q6_K_XL",
  "model_2": "claude-opus-5",
  "answer_a_was": "claude-opus-5",
  "answer_b_was": "Qwen3.5-27B-UD-Q6_K_XL",
  "verdict_code": "A",
  "winner": "claude-opus-5",
  "judge_model": "openai/gpt-5.6-sol",
  "server_model": "openai/gpt-5.6-sol",
  "provider": "OpenAI",
  "finish_reason": "stop",
  "usage": {
    "prompt_tokens": 4805,
    "completion_tokens": 2313,
    "total_tokens": 7118,
    "cost": 0.0994175,
    "is_byok": false,
    "prompt_tokens_details": {
      "cached_tokens": 0,
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    "cost_details": {
      "upstream_inference_cost": 0.0994175,
      "upstream_inference_prompt_cost": 0.0300275,
      "upstream_inference_completions_cost": 0.06939
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    "completion_tokens_details": {
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  "eval_prompt_sha256": "7e58b951cb86e4deba3b60fd01e9b9bd247ebe9883e1c9e43b24acffb1fd4667",
  "provenance_date": "2026-08-05",
  "report": "ANSWER A IS MATERIALLY BETTER.\n\nBasis. Answer A requires disabling the one-week messaging-app auto-delete today, while Answer B permits a 48-hour delay and prioritizes Bell’s Friday laptop reimaging. Because substantive engineering discussions auto-delete after seven days, that delay foreseeably destroys messages reaching the threshold before preservation occurs.\n\nExact difference. A says “Disable today”; B gives personal-message preservation a deadline of “Within 48 hours.”\nDifferent conduct. A’s reader disables auto-delete today; B’s reader may address Bell’s laptop first and wait up to 48 hours.\nConcrete consequence. Work messages reaching seven days during that interval are deleted, depriving Trellick of potentially relevant engineering communications.\nRecord support. The record states that substantial work discussion occurs in the app and that messages auto-delete after one week.\nMaterial magnitude. Lost firmware-team communications may impair Trellick’s evidence concerning VX-9 development, defects, testing, and the incidents.\nLikelihood. B expressly ranks other actions ahead of the app and authorizes a 48-hour completion window while deletion remains active.\nNo safe neutralization by ordinary verification. Verification confirms the rolling deletion risk; recovering deleted communications would require reconstruction or an unsupported assumption of recoverability.\n[A] rejected: “there is no server-side or backup copy, everything older than seven days is already gone” — record lacks facts about backups, server storage, or historical deletion.\n[A] rejected: “risks an intent-to-deprive finding” — record lacks facts supporting intent.\n[B] rejected: “Once reissued, the data is irretrievably overwritten” — record lacks facts establishing irretrievability.\nFailed candidate: B’s omission of a separate CRM export or freeze — concrete consequence failed because no CRM deletion mechanism is identified.\nFailed candidate: B’s omission of Jira/Git access controls and snapshots — concrete consequence failed because no automatic or impending destruction is identified.\nFailed candidate: B’s narrower recipient and source descriptions — concrete consequence failed because no resulting loss is established.\nFailed candidate: B’s hard-coded October 24, 2023 date — concrete consequence failed because its October 2020-through-present scope still covers the stated three-year development period.\nFailed candidate: B’s unsupported ranking of Bell’s laptop as most critical — concrete consequence failed apart from the independently proven messaging-app delay.\nHard stop. Because Answer B permitted the auto-deleting messaging app to remain active for up to 48 hours, the reader would likely prioritize Bell’s laptop instead of disabling auto-delete today, causing the client to experience loss of substantive engineering messages reaching the seven-day deletion threshold.",
  "judge_reasoning": "",
  "_public_record": {
    "type": "published record",
    "policy": "../../PUBLIC_RECORD_POLICY.md",
    "transformations": [
      "non-substantive machine metadata normalized",
      "published-record annotation added"
    ],
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      "verdict code",
      "winner mapping",
      "A/B assignment",
      "model and judge identifiers",
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      "provenance date"
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}