Language

Nemotron 3 Ultra 550B-A55B

By NVIDIA, in the Nemotron family.

Released
4 Jun 2026
Status
Current
Context
1M
Max output
—
Input per 1M tokens
—
Output per 1M tokens
—
Open weights
Yes
License
openmdw-1.1
Parameters
550B, 55B active
Knowledge cutoff
—
Reasoning
Yes
Modalities
text → text

Category scores

Out of 100, from independent and third-party results only, by method category-2026-09-29.1.

Not enough independent results yet

Only independent and third-party results rank a model; self-reported and unattributed numbers never do.

Benchmark results

Every result we hold for this model, with who ran it and where it was published.

Knowledge & reasoning

Knowledge & reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
Humanity's Last Exam (HLE)Accuracy37.4%Self-reported——Model Card via Hugging Face Community Evals
MMLU-ProAccuracy86.8%Self-reported——Model Card via Hugging Face Community Evals

Scientific reasoning

Scientific reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
GPQA DiamondAccuracy87.0%Self-reported——Model Card via Hugging Face Community Evals

Other Nemotron versions

Sources

Nemotron 3 Ultra 550B-A55B: benchmarks, price and specs · supermarket.dev