{
  "evidence_type": "approved launch list rates",
  "approved_date": "2026-09-27",
  "status": "approved rates; API and billing availability are controlled by separate release gates",
  "unit": "currency per 1,000,000 actual input tokens",
  "output_tokens": "free",
  "rates": {
    "USD": {
      "s1-fast": { "global": 0.025, "eu": 0.034 },
      "s1-pro": { "global": 0.034, "eu": 0.040 }
    },
    "EUR": {
      "s1-fast": { "global": 0.022, "eu": 0.030 },
      "s1-pro": { "global": 0.030, "eu": 0.035 }
    }
  },
  "eur_rate_basis": {
    "method": "Fixed EUR list rates converted from the approved USD schedule and rounded to EUR 0.001 per million input tokens.",
    "reference": "ECB euro foreign exchange reference rate",
    "reference_date": "2026-09-25",
    "eur_to_usd": 1.1403,
    "source": "https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html"
  },
  "jev_comparator": {
    "usd_per_million_input_tokens": 0.042,
    "output_tokens": "free",
    "checked_date": "2026-09-27",
    "source": "https://typesafe.ai/blog/introducing-system-one-models-and-jev"
  }
}