{
  "name": "The LLM Price Index \u2014 as-published levels",
  "unit": "per million tokens",
  "policy": "The live index restates all history onto the current basket basis when composition changes; the trend is the invariant. These rows are frozen as published, each on its own basis, so dated citations stay reproducible.",
  "docs": "https://modelpricewatch.com/price-index/methodology/",
  "levels": [
    {
      "date": "2026-07-25",
      "value": 4.66,
      "unit": "per million tokens",
      "basisSize": 9,
      "constituents": [
        "alibaba-qwen3-7-max",
        "anthropic-claude-opus-5",
        "deepseek-v4-pro",
        "google-gemini-3-1-pro",
        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "reconstructed": true,
      "note": "End-of-day headline as published on the nine-lab basis, after the two rebalances of 2026-07-25: a new slot for Moonshot ($4.32 to $4.51, composition) and Alibaba's flagship succession ($4.51 to $4.66, market move). Recovered from the dated rebalance log rather than captured live \u2014 the archive begins recording live on 2026-08-01."
    },
    {
      "date": "2026-08-01",
      "value": 4.39,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
        "alibaba-qwen3-7-max",
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        "deepseek-v4-pro",
        "google-gemini-3-1-pro",
        "meta-muse-spark-1-1",
        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -3.7,
      "firstDate": "2026-02-23",
      "asOf": "2026-08-01"
    },
    {
      "date": "2026-08-02",
      "value": 4.39,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
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        "mistral-large-3",
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        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -3.7,
      "firstDate": "2026-02-23",
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    },
    {
      "date": "2026-08-03",
      "value": 4.39,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
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      ],
      "sinceFirst": -3.7,
      "firstDate": "2026-02-23",
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    },
    {
      "date": "2026-08-04",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
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        "deepseek-v4-pro",
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        "mistral-large-3",
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        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
      "asOf": "2026-08-04"
    },
    {
      "date": "2026-08-05",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
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        "mistral-large-3",
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        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
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    },
    {
      "date": "2026-08-06",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
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        "meta-muse-spark-1-2",
        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
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    },
    {
      "date": "2026-08-07",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
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        "google-gemini-3-1-pro",
        "meta-muse-spark-1-2",
        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
      "asOf": "2026-08-07"
    },
    {
      "date": "2026-08-08",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
        "alibaba-qwen3-8-max",
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        "deepseek-v4-pro",
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        "meta-muse-spark-1-2",
        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
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    },
    {
      "date": "2026-08-09",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
      "constituents": [
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        "mistral-large-3",
        "moonshot-kimi-k3",
        "openai-gpt-5-6-sol",
        "xai-grok-4-5",
        "zhipu-glm-5-2"
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    {
      "date": "2026-08-10",
      "value": 4.32,
      "unit": "per million tokens",
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      ],
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      "firstDate": "2026-02-23",
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    },
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      "date": "2026-08-11",
      "value": 4.32,
      "unit": "per million tokens",
      "basisSize": 10,
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      "date": "2026-08-12",
      "value": 4.32,
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      ],
      "sinceFirst": -5.5,
      "firstDate": "2026-02-23",
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    }
  ]
}