{
 "id": "openai/gpt-5.4-pro:batch",
 "slug": "openai-gpt-5-4-pro-batch",
 "display": "OpenAI: GPT-5.4 Pro (batch)",
 "listed": true,
 "first_seen": "2026-08-07",
 "last_seen": "2026-10-09",
 "observations": 48,
 "repricings": 0,
 "current": {
  "input": 15.0,
  "output": 90.0,
  "blended": 33.75
 },
 "current_since": "2026-08-07",
 "low": {
  "value": 33.75,
  "date": "2026-08-07"
 },
 "high": {
  "value": 33.75,
  "date": "2026-08-07"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
  {
   "date": "2026-08-07",
   "input": 15.0,
   "output": 90.0,
   "blended": 33.75
  }
 ],
 "generated": "2026-10-09T11:30:13+00:00",
 "unit": "USD per 1M tokens; blended = (3 * input + output) / 4",
 "source": "OpenRouter public model listing via Wayback Machine snapshots (2023-07 to 2026-04) and LLMPI daily snapshots (2026-06 onward)"
}