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      "date": "2026-07-21",
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      "date": "2026-07-22",
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      "date": "2026-07-23",
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      "date": "2026-07-24",
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      "date": "2026-07-25",
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      "date": "2026-07-26",
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      "date": "2026-07-27",
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      "date": "2026-07-28",
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      "date": "2026-07-29",
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      "date": "2026-07-30",
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          "to": "GPT-5.6 Sol",
          "stepped": false
        },
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          "from": "Grok 4",
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      "label": "GPT-5.5 → GPT-5.6 Sol, Grok 4 → Grok 4.5",
      "stepped": true,
      "composition": false
    },
    {
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        {
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          "lab": "Moonshot",
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      ],
      "label": "Claude Opus 4.8 → Claude Opus 5, Qwen3-Max → Qwen3.7-Max, Moonshot added to the basket (Kimi K3)",
      "stepped": true,
      "composition": true
    },
    {
      "date": "2026-08-01",
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        {
          "kind": "addition",
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          "stepped": false
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      ],
      "label": "Meta added to the basket (Muse Spark 1.1)",
      "stepped": false,
      "composition": true
    }
  ],
  "citation": {
    "quote": "Frontier intelligence costs $4.39 per million tokens — -3.7% since Feb 23, 2026, flat for 7 days.",
    "source": "The LLM Price Index — ModelPriceWatch, 2026-08-01 · modelpricewatch.com/price-index/",
    "copyText": "Frontier intelligence costs $4.39 per million tokens — -3.7% since Feb 23, 2026, flat for 7 days. The LLM Price Index — ModelPriceWatch, modelpricewatch.com/price-index/",
    "url": "https://modelpricewatch.com/price-index/"
  },
  "methodology": "https://modelpricewatch.com/price-index/methodology/",
  "page": "https://modelpricewatch.com/price-index/"
}
