{
  "schema": "ab5d-essay-generation/1",
  "model": "gpt-6-astra",
  "displayName": "GPT-6 Astra",
  "scope": "The Opera research, manuscript and presentation, plus preceding publication verification.",
  "essayCount": 1,
  "perEssayUsage": null,
  "usage": {
    "inputTokens": 6308113,
    "cachedInputTokens": 6163456,
    "outputTokens": 8936,
    "reasoningOutputTokens": 278,
    "totalTokens": 6317049
  },
  "usageSummary": "across The Opera research and drafting, plus preceding publication verification.",
  "usageDetail": "Measured shared interval including cached input. Work covered by preceding shared intervals is not counted again here. This is not an isolated per-essay cost. Later deployment excluded.",
  "accounting": "Cached input is included in input tokens; reasoning output is included in output tokens. Total is input plus output.",
  "source": "Local Codex session cumulative telemetry difference between recorded boundaries",
  "baselineAt": "2026-09-17T21:22:21.538Z",
  "recordedAt": "2026-09-17T21:28:49.133Z"
}