{
  "challenge": "night-heron-logo-image",
  "model": "nano-banana-2",
  "via": "api",
  "ranAt": "2026-10-21T05:59:33.538Z",
  "prompt": "Create a logo for Night Heron, an independent bookshop that only opens after dark. Square image, flat background.",
  "limits": {
    "minutes": 60,
    "maxOutput": 32768
  },
  "attempts": 1,
  "harness": "OpenRouter API",
  "vendorModel": "google/gemini-3.1-flash-image",
  "tokens": {
    "in": 23,
    "out": 1120,
    "reasoning": 0
  },
  "costUsd": 0.0672115,
  "status": "ok",
  "seconds": 7.9,
  "bytes": 1605806
}