{
  "measured_date": "2026-10-10",
  "environment": {
    "machine": "Apple M4 Pro",
    "memory_gb": 64
  },
  "method": "各CLI本体に --version を標準入力を閉じ NO_COLOR=1 で6回連続実行し、壁時計時間を計測。初回を分け、2〜6回目の中央値を採用。終了コードが0以外の回はerrorを記録し、その道具の残りの実行を止める。導入容量はfsでファイルとフォルダを再帰的に合算。",
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          "run": 6,
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          "run": 2,
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        {
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        {
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        {
          "run": 6,
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        }
      ],
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      "median_seconds": 0.008,
      "installation_total_bytes": 450256746,
      "installation_total_gb": 0.45,
      "counted_path": "/opt/homebrew/lib/node_modules/@anthropic-ai/claude-code"
    },
    {
      "name": "codex",
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        },
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      "steady_runs": [
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      "installation_total_bytes": 246508160,
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      "counted_path": "/Users/fumiya/.codex/packages/standalone/releases/0.162.0-aarch64-apple-darwin/bin/codex"
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    {
      "name": "gemini-cli",
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        {
          "run": 1,
          "seconds": 0.81
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        {
          "run": 2,
          "seconds": 0.79
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        {
          "run": 3,
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          "run": 4,
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          "run": 6,
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      "steady_runs": [
        {
          "run": 2,
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        {
          "run": 3,
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        },
        {
          "run": 4,
          "seconds": 0.766
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        {
          "run": 5,
          "seconds": 0.748
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        {
          "run": 6,
          "seconds": 0.744
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      ],
      "first_run_seconds": 0.81,
      "median_seconds": 0.766,
      "installation_total_bytes": 100344211,
      "installation_total_gb": 0.1,
      "counted_path": "/opt/homebrew/lib/node_modules/@google/gemini-cli"
    }
  ],
  "unit_map": {
    "tools[].steady_runs[].seconds": "秒",
    "tools[].installation_total_bytes": "バイト"
  }
}