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NVIDIA: Nemotron 3 Ultra 550B A55B

nvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 · rates as of · How this catalog is built · Benchmarks

Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy

Cheapest input
$1.80
$/MTok · models.dev
Cheapest output
$6.22
$/MTok
Context
66K
tokens
Sources
1
1 listing

Price changes

Cheapest list input/output only. Rates move rarely, so this is an event log. Down means cheaper. Showing the 8 latest changes.

Input $/MTok over sampled dates
Output $/MTok
  • ↑ higherOutput $2.50 → $6.22
  • ↑ higherInput $0.5 → $1.80

Sources

Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.

SourceProviderInputOutputCache readContext
models.devcheapestnvidia/NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16Thinking Machines$1.80$6.22$0.3666K

Capabilities

  • Reasoning
  • Tool calling
  • Open weights
  • In: text
  • Out: text
Knowledge cutoff: 2025-09Released: 2026-06-04Family: nemotron

Scores

Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Hover or tap the i next to any score for its source. Full boards on /benchmarks.

Arena rows are community-vote Elo from Arena AI, Artificial Analysis indices arrive via OpenRouter, and launch-eval figures are collected from vendor announcements, analyst writeups, and community benchmarks. Full boards and credits on /benchmarks.

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