{
  "title": "Cheaper tokens are not the whole investment case",
  "asOf": "2026-09-16",
  "fetchedAt": "2026-09-16T10:49:50.962Z",
  "unit": "USD per million output tokens",
  "launch": {
    "model": "GPT-4 8K",
    "date": "2023-03-14",
    "outputPerMillion": 60,
    "source": "https://openai.com/index/gpt-4-research/"
  },
  "basket": {
    "basketPerM": 12.827,
    "index": 21.378333333333334,
    "components": {
      "OpenAI": 15,
      "Anthropic": 25,
      "Google": 10,
      "DeepSeek": 0.39999999999999997,
      "open-source": 0.16999999999999998
    },
    "selections": [
      {
        "provider": "OpenAI",
        "modelId": "openai/gpt-5.4",
        "outputPerMillion": 15,
        "source": "OpenRouter",
        "weight": 0.3
      },
      {
        "provider": "Anthropic",
        "modelId": "anthropic/claude-opus-4.6",
        "outputPerMillion": 25,
        "source": "OpenRouter",
        "weight": 0.25
      },
      {
        "provider": "Google",
        "modelId": "google/gemini-2.5-pro",
        "outputPerMillion": 10,
        "source": "OpenRouter",
        "weight": 0.2
      },
      {
        "provider": "DeepSeek",
        "modelId": "deepseek/deepseek-v3.2",
        "outputPerMillion": 0.39999999999999997,
        "source": "OpenRouter",
        "weight": 0.15
      },
      {
        "provider": "open-source",
        "modelId": "openai/gpt-oss-120b",
        "outputPerMillion": 0.16999999999999998,
        "source": "OpenRouter",
        "weight": 0.1
      }
    ]
  },
  "priceSource": "https://openrouter.ai/models",
  "methodology": "Fixed provider-priority selection; cheapest positively priced tracked named open-weight family for the final component. Observed weights are rescaled if components are missing. Not a newest-flagship guarantee or all-model average.",
  "limits": [
    "Different models and dates; not a same-task or quality-adjusted cost comparison.",
    "Output token quotes only; input, retries, tools, human review, caching and negotiated discounts are excluded.",
    "OpenRouter tracked list quotes are not necessarily vendor-direct or transacted prices.",
    "The comparison does not measure profit, demand or investment returns."
  ],
  "repository": "https://github.com/benitoz858/bep-tokenomics",
  "sourceDataCommit": "97e5cd37213efeb0097c78f9007e1a24bfbbef1b"
}