NVIDIA-Nemotron-3-Ultra-550B-A55B-NVFP4
Frontier accuracy, 5X greater speed, 30% lower cost.
A NVIDIA Nemotron 3 Ultra language-model release with 550B total parameters and 55B active parameters, using the NVFP4 checkpoint format. It is a hybrid Mamba-Transformer mixture-of-experts model release intended for long-context and agentic workloads.
Pricing
Model profile · Current snapshot
Input / 1M
$0.60
Output / 1M
$2.70
Blended / 1M
$1.13
Output TPS
161
TTFT (s)
0.89
Model Intelligence
Context window
1,000,000 tokens
Arena ranking
12
Benchmarkable
Yes
Model level
release
Intelligence Index
11.8
GPQA
0.87
HLE
0.28
SciCode
0.4
IFBench
0.81
LCR
0.79
TerminalBench Hard
0.36
TAU2
0.83
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