Model specification · NVIDIA

Nemotron 3 Ultra

nvidia/nemotron-3-ultra-550b-a55b

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

SpecificationsReported values
Context window
512K
Maximum output
Architecture
text->text
Tokenizer
Other
Knowledge cutoff
Moderated
No
Input modalities
text
Output modalities
text
Full pricingUSD where reported
PriceStandardfree
Input$0.600 / Mfree / M
Output$3.60 / Mfree / M
Benchmark indexesReported indexes
Intelligence
37.8
Coding
49.3
Agentic
27.4
Design Arena Elo
1153
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.00960
Long analysis100K / 4K × 150%$0.054
Workday20K / 2K × 1,00030%$16.80
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