{
 "id": "meta-llama/llama-3.1-405b",
 "slug": "meta-llama-llama-3-1-405b",
 "display": "meta-llama: llama-3.1-405b",
 "listed": false,
 "first_seen": "2024-09-05",
 "last_seen": "2026-03-23",
 "observations": 99,
 "repricings": 1,
 "current": {
  "input": 4.0,
  "output": 4.0,
  "blended": 4.0
 },
 "current_since": "2025-10-07",
 "low": {
  "value": 2.0,
  "date": "2024-09-05"
 },
 "high": {
  "value": 4.0,
  "date": "2025-10-07"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
  {
   "date": "2024-09-05",
   "input": 2.0,
   "output": 2.0,
   "blended": 2.0
  },
  {
   "date": "2025-10-07",
   "input": 4.0,
   "output": 4.0,
   "blended": 4.0
  }
 ],
 "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)"
}