{
  "scope": "Solver inference only, API-equivalent at list rates; the model ran on a Claude Max subscription through Claude Code (--billing subscription), so these are estimates, not bills. Judging is excluded. Every run in the sweep is priced.",
  "pricing_verified": "2026-10-07",
  "sources": {
    "anthropic": "https://platform.claude.com/docs/en/about-claude/pricing"
  },
  "rates_per_million": {
    "claude-sonnet-5-5": {
      "input": 2.0,
      "cache_write_5m": 2.5,
      "cache_write_1h": 4.0,
      "output": 10.0,
      "cache_hit_pricing_table": 0.2,
      "cache_hit_caching_section": 0.1
    }
  },
  "pricing_method": "Claude Code's own list-price total for the session (economics.cli_reported_cost_usd, equal to the stream's total_cost_usd)",
  "groups": [
    {
      "model": "sonnet55",
      "effort": "low",
      "n": 23,
      "usd": {
        "n": 23,
        "mean": 2.876154660869566,
        "se": 0.9719764247373642
      },
      "usd_total": 66.15155720000001,
      "raw_tokens": {
        "n": 23,
        "mean": 9020436.304347826,
        "se": 3609023.0824853517
      },
      "raw_tokens_total": 207470035,
      "minutes": {
        "n": 23,
        "mean": 19.954818840579712,
        "se": 5.960302764883791
      },
      "solver_fallback_runs": 0
    },
    {
      "model": "sonnet55",
      "effort": "medium",
      "n": 23,
      "usd": {
        "n": 23,
        "mean": 3.002213504347826,
        "se": 1.0247937347421985
      },
      "usd_total": 69.05091060000002,
      "raw_tokens": {
        "n": 23,
        "mean": 9492336.956521738,
        "se": 3745737.695641483
      },
      "raw_tokens_total": 218323750,
      "minutes": {
        "n": 23,
        "mean": 20.821991304347826,
        "se": 6.935351715352606
      },
      "solver_fallback_runs": 0
    },
    {
      "model": "sonnet55",
      "effort": "high",
      "n": 23,
      "usd": {
        "n": 23,
        "mean": 2.3904229565217396,
        "se": 0.7092446343286211
      },
      "usd_total": 54.979728000000016,
      "raw_tokens": {
        "n": 23,
        "mean": 6768098.0869565215,
        "se": 2532647.71567743
      },
      "raw_tokens_total": 155666256,
      "minutes": {
        "n": 23,
        "mean": 14.819935507246377,
        "se": 3.1023015679627277
      },
      "solver_fallback_runs": 0
    },
    {
      "model": "sonnet55",
      "effort": "extra-high",
      "n": 23,
      "usd": {
        "n": 23,
        "mean": 3.3753583217391303,
        "se": 0.7896144165086448
      },
      "usd_total": 77.63324139999999,
      "raw_tokens": {
        "n": 23,
        "mean": 8943798.608695652,
        "se": 2645352.739438779
      },
      "raw_tokens_total": 205707368,
      "minutes": {
        "n": 23,
        "mean": 21.594560869565218,
        "se": 4.1781001495505805
      },
      "solver_fallback_runs": 0
    },
    {
      "model": "sonnet55",
      "effort": "max",
      "n": 23,
      "usd": {
        "n": 23,
        "mean": 5.519631326086957,
        "se": 0.8391939405559178
      },
      "usd_total": 126.95152050000003,
      "raw_tokens": {
        "n": 23,
        "mean": 14110533.347826088,
        "se": 3111436.400065955
      },
      "raw_tokens_total": 324542267,
      "minutes": {
        "n": 23,
        "mean": 37.97560072463768,
        "se": 3.592740665398668
      },
      "solver_fallback_runs": 0
    }
  ],
  "totals": {
    "sonnet55": {
      "runs": 115,
      "usd": 394.76695770000003,
      "raw_tokens": 1111709676,
      "solver_hours": 44.14731444444447
    }
  },
  "limitations": [
    "Cost is Claude Code's own list-price total for each session (cli_reported_cost_usd), checked against the stream's final total_cost_usd. Every reply came from claude-sonnet-5-5 and no other model appears in any run's usage.",
    "Anthropic's pricing page lists Sonnet 5.5 cache reads at $0.20 per million tokens in its table and at 0.05x input ($0.10) in its prompt caching section. The export does not re-price runs at either rate; if Anthropic corrects the page, the CLI-reported figure stays the published one unless the owner decides otherwise (harness DECISIONS.md, 2026-10-07).",
    "Claude Code prices cache writes by their observed TTL; the export takes its total as reported.",
    "No Batch, Fast or priority pricing is applied."
  ],
  "comparison_sha256": "79eaf3bb61e20ab17165bc018f37d2ab64b42eb3182017bb8c12133a5bab9df5",
  "note": "Per-run estimates are in runs.json (estimated_usd, raw_tokens, token_usage). Judging is excluded."
}