{
  "topic": "YAML vs JSON size and token cost (same 32-line web/K8s-style sample)",
  "environment": {
    "machine": "Apple M5 Pro (macOS, Darwin 25.5.0)",
    "python": "3.14.6",
    "tiktoken": "0.13.0"
  },
  "rows": {
    "JSON (pretty)": {
      "chars": 857,
      "bytes": 857,
      "cl100k": 281,
      "o200k": 281
    },
    "YAML": {
      "chars": 667,
      "bytes": 667,
      "cl100k": 218,
      "o200k": 217
    },
    "JSON (compact)": {
      "chars": 686,
      "bytes": 686,
      "cl100k": 180,
      "o200k": 183
    }
  }
}