{
 "id": "deepseek/deepseek-r1-0528",
 "slug": "deepseek-deepseek-r1-0528",
 "display": "DeepSeek: R1 0528",
 "listed": true,
 "first_seen": "2025-06-05",
 "last_seen": "2026-10-09",
 "observations": 169,
 "repricings": 11,
 "current": {
  "input": 0.5,
  "output": 2.15,
  "blended": 0.9125
 },
 "current_since": "2026-06-14",
 "low": {
  "value": 0.272,
  "date": "2025-07-19"
 },
 "high": {
  "value": 1.275,
  "date": "2025-11-19"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
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   "input": 0.5,
   "output": 2.1500000000000004,
   "blended": 0.9125
  },
  {
   "date": "2025-07-14",
   "input": 0.5,
   "output": 2.0,
   "blended": 0.875
  },
  {
   "date": "2025-07-19",
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   "output": 0.272,
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  },
  {
   "date": "2025-08-12",
   "input": 0.17992692,
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  {
   "date": "2025-08-25",
   "input": 0.1999188,
   "output": 0.800064,
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  },
  {
   "date": "2025-09-11",
   "input": 0.24999987999999998,
   "output": 0.999999888,
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  },
  {
   "date": "2025-09-18",
   "input": 0.39999999999999997,
   "output": 1.75,
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  },
  {
   "date": "2025-11-19",
   "input": 0.19999999999999998,
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  },
  {
   "date": "2025-12-15",
   "input": 0.39999999999999997,
   "output": 1.75,
   "blended": 0.7375
  },
  {
   "date": "2026-03-03",
   "input": 0.44999999999999996,
   "output": 2.1500000000000004,
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  },
  {
   "date": "2026-04-23",
   "input": 0.5,
   "output": 2.1500000000000004,
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  },
  {
   "date": "2026-06-14",
   "input": 0.5,
   "output": 2.15,
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 ],
 "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)"
}