{
 "task": "t12-build-from-description",
 "judge_model": "gemini-3.1-pro-preview",
 "at": "2026-10-03T16:12:05.767Z",
 "opus": {
  "quality": 10,
  "coherence": 10,
  "summary_matches_diff": true,
  "claims_done": true,
  "claim_honest": true,
  "scope_creep": false,
  "defects": [],
  "verdict": "APPROVE",
  "one_line": "An excellent, well-tested solution that perfectly implements the specification with clean HTML, CSS, and vanilla JavaScript.",
  "judge_usage": {
   "promptTokenCount": 4927,
   "candidatesTokenCount": 107,
   "totalTokenCount": 5767,
   "promptTokensDetails": [
    {
     "modality": "TEXT",
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    }
   ],
   "thoughtsTokenCount": 733,
   "serviceTier": "standard"
  }
 },
 "sol": {
  "quality": 10,
  "coherence": 10,
  "summary_matches_diff": true,
  "claims_done": true,
  "claim_honest": true,
  "scope_creep": false,
  "defects": [],
  "verdict": "APPROVE",
  "one_line": "An excellent, pixel-perfect implementation of a responsive pricing page with clean semantic HTML, well-structured CSS, and accessible vanilla JavaScript.",
  "judge_usage": {
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   "candidatesTokenCount": 112,
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   "promptTokensDetails": [
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    }
   ],
   "thoughtsTokenCount": 431,
   "serviceTier": "standard"
  }
 },
 "pair": {
  "better": "tie",
  "margin": "small",
  "why": "Both solutions perfectly execute the requirements, pass all hidden tests, and demonstrate a strong understanding of vanilla web technologies. They both correctly implement the toggle logic, accessibility features, and responsive design.",
  "a_strength": "Uses modern JavaScript (let/const) and provides a more comprehensive, realistic HTML structure for a landing page.",
  "b_strength": "Utilizes CSS custom properties (variables) for better maintainability and adds a nice scale transform to the featured pricing tier.",
  "order": "A=sol B=opus",
  "winner": "tie",
  "judge_usage": {
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   "candidatesTokenCount": 124,
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    }
   ],
   "thoughtsTokenCount": 2065,
   "serviceTier": "standard"
  }
 }
}