{
  "meta": {
    "generated_at": "2026-08-22T10:21:36Z",
    "methodology_version": "0.3.0",
    "license": "CC BY 4.0",
    "source": "GCPI Data",
    "release_key": "panel-2026-08-22",
    "base_date": "2026-06-20",
    "series_start_date": "2026-04-11",
    "blended_weights": {
      "input": 0.7,
      "output": 0.3
    },
    "disclaimer": "Research indices. Not financial advice.",
    "constituents": {
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        "seats": [
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            "id": "openai-flagship",
            "label": "OpenAI flagship",
            "vendor": "OpenAI"
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          {
            "id": "anthropic-flagship",
            "label": "Anthropic flagship",
            "vendor": "Anthropic"
          },
          {
            "id": "anthropic-workhorse",
            "label": "Anthropic workhorse",
            "vendor": "Anthropic"
          },
          {
            "id": "google-pro",
            "label": "Google Pro tier",
            "vendor": "Google"
          },
          {
            "id": "google-flash",
            "label": "Google Flash tier",
            "vendor": "Google"
          },
          {
            "id": "xai-flagship",
            "label": "xAI flagship",
            "vendor": "xAI"
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        ],
        "mapping_epochs": [
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              "google-flash": "gemini-2.5-flash",
              "xai-flagship": "grok-4",
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              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-4-20250514"
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            "note": "Reconstruction start: pre-GPT-5.5 / Claude 5 era",
            "effective_from": "2026-04-11"
          },
          {
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              "xai-flagship": "grok-4",
              "openai-flagship": "gpt-5",
              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-4-20250514"
            },
            "note": "OpenAI flagship → GPT-5",
            "effective_from": "2026-04-18"
          },
          {
            "map": {
              "google-pro": "gemini-3.1-pro",
              "google-flash": "gemini-2.5-flash",
              "xai-flagship": "grok-4",
              "openai-flagship": "gpt-5.5",
              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-4-20250514"
            },
            "note": "OpenAI → GPT-5.5; Google Pro → Gemini 3.1 Pro",
            "effective_from": "2026-06-20"
          },
          {
            "map": {
              "google-pro": "gemini-3.1-pro",
              "google-flash": "gemini-2.5-flash",
              "xai-flagship": "grok-4",
              "openai-flagship": "gpt-5.5",
              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-5"
            },
            "note": "Anthropic workhorse → Claude Sonnet 5",
            "effective_from": "2026-07-04"
          },
          {
            "map": {
              "google-pro": "gemini-3.1-pro",
              "google-flash": "gemini-2.5-flash",
              "xai-flagship": "grok-4.5",
              "openai-flagship": "gpt-5.6-sol",
              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-5"
            },
            "note": "OpenAI → GPT-5.6 Sol; xAI → Grok 4.5",
            "effective_from": "2026-07-13"
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          {
            "map": {
              "google-pro": "gemini-3.1-pro",
              "google-flash": "gemini-3.6-flash",
              "xai-flagship": "grok-4.5",
              "openai-flagship": "gpt-5.6-sol",
              "anthropic-flagship": "claude-opus-4-20250514",
              "anthropic-workhorse": "claude-sonnet-5"
            },
            "note": "Google Flash → Gemini 3.6 Flash",
            "effective_from": "2026-07-28"
          },
          {
            "map": {
              "google-pro": "gemini-3.1-pro",
              "google-flash": "gemini-3.6-flash",
              "xai-flagship": "grok-4.5",
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              "anthropic-flagship": "claude-opus-5",
              "anthropic-workhorse": "claude-sonnet-5"
            },
            "note": "Anthropic flagship → Claude Opus 5",
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      },
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        "deepseek-ai/DeepSeek-R1",
        "Qwen/Qwen3.5-397B-A17B",
        "Qwen/Qwen3-235B-A22B-Instruct-2507",
        "meta-llama/Llama-3.3-70B-Instruct",
        "meta-llama/Llama-4-Maverick-17B-128E",
        "zai-org/GLM-5.1",
        "MiniMaxAI/MiniMax-M2.7",
        "openai/gpt-oss-120b",
        "mistralai/Mistral-Small-3.2-24B-Instruct-2506",
        "gemma-4-31B-it",
        "kimi-k2.5-0127"
      ]
    }
  },
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      "frequency": "weekly",
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}