{
  "name": "Winthropic price table",
  "description": "Anthropic list prices in USD per million tokens, transcribed by hand from Anthropic's published pricing page and dated. Winthropic's own transcription, not Anthropic's document; it may lag a change. Appended, never edited in place.",
  "source": "https://platform.claude.com/docs/en/about-claude/pricing",
  "current": "2026-08-31",
  "docs": "https://winthropic.com/costs",
  "history": [
    {
      "asOf": "2026-08-31",
      "note": "Sonnet 5's launch intro price ($2/$10) was made permanent 2026-08-10; the scheduled 09-01 rise to $3/$15 was cancelled. 4.x Sonnets stay $3/$15.",
      "models": [
        {
          "match": "fable-5|mythos-5",
          "name": "Claude Fable/Mythos 5",
          "input_per_mtok": 10,
          "output_per_mtok": 50
        },
        {
          "match": "opus-(5|4-8|4-7|4-6|4-5)",
          "name": "Claude Opus (4.5+)",
          "input_per_mtok": 5,
          "output_per_mtok": 25
        },
        {
          "match": "opus",
          "name": "Claude Opus (4.1 and earlier)",
          "input_per_mtok": 15,
          "output_per_mtok": 75
        },
        {
          "match": "sonnet-5",
          "name": "Claude Sonnet 5",
          "input_per_mtok": 2,
          "output_per_mtok": 10
        },
        {
          "match": "sonnet",
          "name": "Claude Sonnet (4.x)",
          "input_per_mtok": 3,
          "output_per_mtok": 15
        },
        {
          "match": "haiku-4-5",
          "name": "Claude Haiku 4.5",
          "input_per_mtok": 1,
          "output_per_mtok": 5
        },
        {
          "match": "haiku-3-5|3-5-haiku",
          "name": "Claude Haiku 3.5",
          "input_per_mtok": 0.8,
          "output_per_mtok": 4
        },
        {
          "match": "haiku",
          "name": "Claude Haiku 3",
          "input_per_mtok": 0.25,
          "output_per_mtok": 1.25
        }
      ],
      "cache_read_multiplier": 0.1,
      "cache_write_multiplier": 1.25,
      "batch_discount": 0.5
    }
  ]
}