{
 "id": "deepseek/deepseek-v4-flash-0731",
 "slug": "deepseek-deepseek-v4-flash-0731",
 "display": "DeepSeek: DeepSeek V4 Flash 0731",
 "listed": true,
 "first_seen": "2026-07-31",
 "last_seen": "2026-10-09",
 "observations": 59,
 "repricings": 24,
 "current": {
  "input": 0.0104,
  "output": 1.28,
  "blended": 0.3278
 },
 "current_since": "2026-10-09",
 "low": {
  "value": 0.05,
  "date": "2026-09-19"
 },
 "high": {
  "value": 0.3341,
  "date": "2026-10-03"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
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   "date": "2026-07-31",
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   "output": 0.28,
   "blended": 0.175
  },
  {
   "date": "2026-08-02",
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   "blended": 0.1125
  },
  {
   "date": "2026-08-10",
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  {
   "date": "2026-08-24",
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  {
   "date": "2026-08-26",
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   "output": 0.12,
   "blended": 0.075
  },
  {
   "date": "2026-08-28",
   "input": 0.07,
   "output": 0.14,
   "blended": 0.0875
  },
  {
   "date": "2026-08-29",
   "input": 0.045,
   "output": 0.09,
   "blended": 0.05625
  },
  {
   "date": "2026-08-30",
   "input": 0.065,
   "output": 0.18,
   "blended": 0.09375
  },
  {
   "date": "2026-09-17",
   "input": 0.06,
   "output": 0.12,
   "blended": 0.075
  },
  {
   "date": "2026-09-19",
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   "output": 0.08,
   "blended": 0.05
  },
  {
   "date": "2026-09-21",
   "input": 0.04,
   "output": 0.16,
   "blended": 0.07
  },
  {
   "date": "2026-09-22",
   "input": 0.04,
   "output": 0.64,
   "blended": 0.19
  },
  {
   "date": "2026-09-24",
   "input": 0.03,
   "output": 0.32,
   "blended": 0.1025
  },
  {
   "date": "2026-09-26",
   "input": 0.021,
   "output": 0.32,
   "blended": 0.09575
  },
  {
   "date": "2026-09-29",
   "input": 0.018,
   "output": 0.32,
   "blended": 0.0935
  },
  {
   "date": "2026-09-30",
   "input": 0.01,
   "output": 1.28,
   "blended": 0.3275
  },
  {
   "date": "2026-10-01",
   "input": 0.0108,
   "output": 1.28,
   "blended": 0.3281
  },
  {
   "date": "2026-10-02",
   "input": 0.0171,
   "output": 1.28,
   "blended": 0.332825
  },
  {
   "date": "2026-10-03",
   "input": 0.0188,
   "output": 1.28,
   "blended": 0.3341
  },
  {
   "date": "2026-10-04",
   "input": 0.0152,
   "output": 1.28,
   "blended": 0.3314
  },
  {
   "date": "2026-10-06",
   "input": 0.0079,
   "output": 1.28,
   "blended": 0.325925
  },
  {
   "date": "2026-10-07",
   "input": 0.018,
   "output": 1.28,
   "blended": 0.3335
  },
  {
   "date": "2026-10-09",
   "input": 0.0104,
   "output": 1.28,
   "blended": 0.3278
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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)"
}