{
 "id": "google/gemma-4-31b-it",
 "slug": "google-gemma-4-31b-it",
 "display": "Google: Gemma 4 31B",
 "listed": true,
 "first_seen": "2026-04-03",
 "last_seen": "2026-10-09",
 "observations": 96,
 "repricings": 15,
 "current": {
  "input": 0.09,
  "output": 0.34,
  "blended": 0.1525
 },
 "current_since": "2026-08-26",
 "low": {
  "value": 0.1325,
  "date": "2026-07-14"
 },
 "high": {
  "value": 0.3025,
  "date": "2026-07-16"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
  {
   "date": "2026-04-03",
   "input": 0.14,
   "output": 0.39999999999999997,
   "blended": 0.205
  },
  {
   "date": "2026-04-23",
   "input": 0.13,
   "output": 0.38,
   "blended": 0.1925
  },
  {
   "date": "2026-06-14",
   "input": 0.12,
   "output": 0.35,
   "blended": 0.1775
  },
  {
   "date": "2026-07-14",
   "input": 0.06,
   "output": 0.35,
   "blended": 0.1325
  },
  {
   "date": "2026-07-15",
   "input": 0.12,
   "output": 0.37,
   "blended": 0.1825
  },
  {
   "date": "2026-07-16",
   "input": 0.22,
   "output": 0.55,
   "blended": 0.3025
  },
  {
   "date": "2026-07-18",
   "input": 0.12,
   "output": 0.37,
   "blended": 0.1825
  },
  {
   "date": "2026-07-19",
   "input": 0.22,
   "output": 0.55,
   "blended": 0.3025
  },
  {
   "date": "2026-07-21",
   "input": 0.12,
   "output": 0.37,
   "blended": 0.1825
  },
  {
   "date": "2026-07-23",
   "input": 0.12,
   "output": 0.35,
   "blended": 0.1775
  },
  {
   "date": "2026-07-24",
   "input": 0.1,
   "output": 0.35,
   "blended": 0.1625
  },
  {
   "date": "2026-07-25",
   "input": 0.14,
   "output": 0.4,
   "blended": 0.205
  },
  {
   "date": "2026-07-30",
   "input": 0.1,
   "output": 0.34,
   "blended": 0.16
  },
  {
   "date": "2026-08-19",
   "input": 0.09,
   "output": 0.34,
   "blended": 0.1525
  },
  {
   "date": "2026-08-21",
   "input": 0.1,
   "output": 0.34,
   "blended": 0.16
  },
  {
   "date": "2026-08-26",
   "input": 0.09,
   "output": 0.34,
   "blended": 0.1525
  }
 ],
 "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)"
}