Nvidia's Nemotron 3 Ultra 550B A55B model from the Nemotron 3 family. It uses a hybrid Mamba-Transformer MoE architecture. Provider-specific context limits vary, with the longest current route supporting up to 1M context.
Added Jun 4, 2026
Model weightsContext Window
1.0M
Max Output
65.5K
Avg output tokens (7d)
571 tokens
Input Price (Auto)
$0.50/1M
Output Price (Auto)
$2.50/1M
Cache Read (Auto)
$0.25/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
29.3
Coding Index
49.3
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
86.7%
Better than 81% of models compared
HLE
Humanity's Last Exam
28.4%
Better than 80% of models compared
IFBench
Instruction-following benchmark
81.4%
Better than 99% of models compared
T²-Bench Telecom
Conversational AI agents in dual-control scenarios
83.3%
Better than 73% of models compared
AA-LCR
Long context reasoning evaluation
79.3%
Better than 87% of models compared
Coding
SciCode
Python programming for scientific computing
40.3%
Better than 23% of models compared
Terminal-Bench Hard
Agentic coding and terminal use
36.4%
Better than 83% of models compared
Last updated Sep 7, 2026
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