{
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 "slug": "nvidia-nemotron-3-ultra-550b-a55b",
 "display": "NVIDIA: Nemotron 3 Ultra",
 "listed": true,
 "first_seen": "2026-06-14",
 "last_seen": "2026-10-09",
 "observations": 89,
 "repricings": 14,
 "current": {
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  "output": 2.2,
  "blended": 0.925
 },
 "current_since": "2026-10-02",
 "low": {
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  "date": "2026-07-02"
 },
 "high": {
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  "date": "2026-07-15"
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 "at_all_time_low": true,
 "new_low": true,
 "change_points": [
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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)"
}