{
  "collectedAt": "2026-09-11",
  "scopeNote": "ChatGPT Plus 维护者面板 Codex Astra（gpt-6-astra）专项采用记录。维护者本人账号 2026-09-11 晚周窗剩余 26%→0% 的 token 抽取（input + cache_read 两列；output/reasoning 未在本次抽取中，按 Codex 历史构成约占 <1%）。同一文件附记本周窗各模型缓存命中率。历史 research 文件不改。",
  "items": [
    {
      "planId": "chatgpt_plus",
      "priceUsd": 20,
      "model": "gpt-6-astra",
      "evidenceType": "user_dashboard_backcalculation",
      "source": "维护者本人 ChatGPT Plus 账号 Codex 用量抽取，2026-09-11 晚",
      "sourceDate": "2026-09-11",
      "userConfirmation": "维护者直接提供分段 token 与百分比数据。",
      "window": "周窗自 2026-09-06 起，今晚 exhausted（剩余 26%→0%）",
      "observed": {
        "segments": [
          {
            "remainingFrom": 0.26,
            "remainingTo": 0.04,
            "deltaPercentPoints": 22,
            "inputTokens": 301948,
            "cacheReadTokens": 8325376,
            "totalTokens": 8627324,
            "cacheHitRate": 0.9650009666960462
          },
          {
            "remainingFrom": 0.04,
            "remainingTo": 0.0,
            "deltaPercentPoints": 4,
            "inputTokens": 34029,
            "cacheReadTokens": 1675392,
            "totalTokens": 1709421,
            "cacheHitRate": 0.9800932596475648
          }
        ],
        "wholeDay": {
          "deltaPercentPoints": 26,
          "inputTokens": 335977,
          "cacheReadTokens": 10000768,
          "totalTokens": 10336745,
          "cacheHitRate": 0.9674968280633797
        }
      },
      "calculation": {
        "weeklyTokensCentral": 39756711.5,
        "monthlyTokensCentralExact": 159026846.2,
        "adoptedMonthlyTokens": 159000000,
        "adoptedMonthlyYi": 1.59,
        "formula": "10,336,745 / 26% * 4 weeks",
        "segmentWeeklyEstimates": {
          "segment1_22pt": 39215109,
          "segment2_4pt": 42735525,
          "note": "4pt 段相对误差大（面板取整），仅作范围旁证；采用整段 26pt"
        },
        "roundedPercentMonthlyLow": 153136963,
        "roundedPercentMonthlyHigh": 165387920,
        "roundedPercentNote": "26pt 为两个取整读数之差，真实占比约 25%~27%，对应 1.53~1.65 亿/月。中心值仍按显示 26pt 采用。"
      },
      "crossCheck": {
        "method": "Observatory 加权单位口径：周池按加权 token 计，Sol=1x / Terra=0.4x / Luna=0.04x / Astra=2x",
        "lunaWeeklyRawTokens": 1877779483,
        "weightedPoolUnits": 75111179,
        "astraWeeklyRawImplied": 37555590,
        "astraMonthlyYiImplied": 1.5,
        "note": "Luna 实测（chatgpt-luna-adoption-round6）× 权重比 0.04/2 → Astra 应得 3756 万/周（1.50 亿/月）；本次直测 3976 万/周（1.59 亿/月），偏高 5.9%，在面板 % 取整与权重近似范围内吻合。两条独立路径互证。【round8 修正：Observatory 现测 Astra≈4.1× Sol quota/token（Pro20x，09-08），与旧记 2× 冲突；改用 Plus Sol 基准（1.54亿/周）÷ 本测 3976万 = 3.87×，与 4.1× 同量级——说明统一加权池模型本身不严格，本条互证降权看待；Plus 直测值不依赖权重模型，不受影响。】",
        "poolRatioCheck": "订阅内实测 raw token 池比 Luna:Astra ≈ 47.2x（18.78 亿/3976 万），与 Observatory 权重比 2x/0.04x=50x 接近；Astra 暂无官方三段价记录，未做标价比对"
      },
      "tokenCountingNote": "本次抽取只含 input + cache_read 两列，未含 output/reasoning；Luna 同法实测 output 占 0.33%，此处缺失项对反推影响 <1%。直接采用 total，不按项目标准负载再次归一。",
      "confidence": "high",
      "decision": "新增 chatgpt_plus / gpt-6-astra 独立点 1.59 亿/月；Pro 5x/20x 按官方倍率派生（与 Luna 同法）。"
    },
    {
      "planId": "chatgpt_pro_5x",
      "priceUsd": 100,
      "model": "gpt-6-astra",
      "evidenceType": "derived_official_multiplier",
      "confidence": "medium",
      "decision": "×5 派生法 2026-09-13 弃用删除：官方 5x/20x 消息倍率不是 raw-token 倍率，且官方 FAQ 明示 Plus 端 Astra 为 limited 子池，派生基础不成立。数值不再记录。"
    },
    {
      "planId": "chatgpt_pro_20x",
      "priceUsd": 200,
      "model": "gpt-6-astra",
      "evidenceType": "derived_official_multiplier",
      "confidence": "medium",
      "decision": "×20 派生法 2026-09-13 弃用删除：同上，Plus limited 子池使派生基础不成立；Pro20x 真实池多源（round8~round11）指向远高于 20× 的量级。数值不再记录。chatgpt-pro20x-gateway-measurement 中含大量 Astra 段但为混合负载，仅作量级旁证。"
    }
  ],
  "weeklyWindowCacheHitRates": {
    "windowSince": "2026-09-06",
    "windowState": "exhausted 时点",
    "astra": 0.9686695022727288,
    "luna": 0.9734836209812816,
    "thirdUnlabeled": 0.9605046544857986,
    "note": "第三个数值未标注对象，原样记录"
  },
  "adopted": {
    "chatgpt_plus_gpt_6_astra_monthlyYi": 1.59
  },
  "withdrawn": {
    "chatgpt_pro_5x_gpt_6_astra": "derived",
    "chatgpt_pro_20x_gpt_6_astra": "derived_then_10pct_then_removed",
    "reason": "×20/×5 派生法 2026-09-13 弃用：官方倍率是消息条数口径，Plus 端 Astra 又是 limited 子池，派生值系统性偏低，按裁定从记录中删除。Pro20x 曾于 2026-09-12 短暂采用 round10 的 10% 截图反推值，同日裁定 Pro20x Astra 暂不展示，撤回。Pro 5x 始终无数据。"
  }
}