{
 "id": "openai/gpt-5.3-codex",
 "slug": "openai-gpt-5-3-codex",
 "display": "OpenAI: GPT-5.3-Codex",
 "listed": true,
 "first_seen": "2026-03-03",
 "last_seen": "2026-10-09",
 "observations": 110,
 "repricings": 0,
 "current": {
  "input": 1.75,
  "output": 14.0,
  "blended": 4.8125
 },
 "current_since": "2026-03-03",
 "low": {
  "value": 4.8125,
  "date": "2026-03-03"
 },
 "high": {
  "value": 4.8125,
  "date": "2026-03-03"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
  {
   "date": "2026-03-03",
   "input": 1.75,
   "output": 14.0,
   "blended": 4.8125
  }
 ],
 "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)"
}