{
  "version": "2026-05-22",
  "effective_at": "2026-05-22",
  "source_url": "https://platform.claude.com/docs/en/about-claude/pricing",
  "vendor": "anthropic",
  "currency": "USD",
  "default_model": "claude-sonnet-4-6",
  "notes": "Rates per million tokens (USD). cache_create = 5-minute cache write (1.25x input). 1-hour cache writes (2x input) are not modeled — Roll loop uses the default 5m caching only. 2026-05 repricing: Opus 4.5+ moved to $5/$25 base (3x cheaper than Opus 4/4.1).",
  "prices": {
    "claude-opus-4-7":   {"in":  5.00, "out": 25.00, "cache_create":  6.25, "cache_read": 0.50},
    "claude-opus-4-6":   {"in":  5.00, "out": 25.00, "cache_create":  6.25, "cache_read": 0.50},
    "claude-sonnet-4-6": {"in":  3.00, "out": 15.00, "cache_create":  3.75, "cache_read": 0.30},
    "claude-sonnet-4-5": {"in":  3.00, "out": 15.00, "cache_create":  3.75, "cache_read": 0.30},
    "claude-haiku-4-5":  {"in":  1.00, "out":  5.00, "cache_create":  1.25, "cache_read": 0.10}
  }
}