{
 "id": "stepfun-ai/step3",
 "slug": "stepfun-ai-step3",
 "display": "stepfun-ai: step3",
 "listed": false,
 "first_seen": "2025-09-11",
 "last_seen": "2026-02-01",
 "observations": 33,
 "repricings": 0,
 "current": {
  "input": 0.5700000000000001,
  "output": 1.42,
  "blended": 0.7825
 },
 "current_since": "2025-09-11",
 "low": {
  "value": 0.7825,
  "date": "2025-09-11"
 },
 "high": {
  "value": 0.7825,
  "date": "2025-09-11"
 },
 "at_all_time_low": false,
 "new_low": false,
 "change_points": [
  {
   "date": "2025-09-11",
   "input": 0.5700000000000001,
   "output": 1.42,
   "blended": 0.7825
  }
 ],
 "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)"
}