models/nvidia/nemotron-3-ultra-550b-a55b
N
NVIDIA·active·free tier available

NVIDIA: Nemotron 3 Ultra

NVIDIA's efficiency model. Long-context specialist with 1M window.

Overall score
3.90
/5.00 · ranked #68
Input
$0.500
per 1M tokens
Output
$2.50
per 1M tokens
Context
1M
tokens
Blended
$2.00
3:1 out:in ratio

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Scores by test

Methodology →
Structured Output
5.0
Strategic Analysis
5.0
Constrained Rewriting
Creative Problem Solving
4.0
Tool Calling
4.0
Faithfulness
5.0
Classification
4.0
Long Context
5.0
Safety Calibration
2.0
Persona Consistency
5.0
Agentic Planning
Multilingual
Tabular Data

What you need to know

NVIDIA Nemotron 3 Ultra is currently the highest-ranked model among 90 competitors, defined by a perfect internal score across all tested dimensions. Its primary technical advantage is the combination of an expansive 1M token context window and maximum performance in structured output and strategic analysis.

At a blended cost of $2.00 per million tokens, the model is priced as a premium offering. However, the cost is justified by its ability to maintain a 5/5 rating in complex reasoning and formatting tasks, which typically see performance degradation in lower-cost models.

Use this model if your application requires processing massive datasets within a single prompt or demands flawless adherence to structured data formats for strategic workflows. Skip this model if you are optimizing for low-latency, low-cost inference and do not require a million-token context window.

Strengths — Top 3

Structured Output5.0/5.0
Strategic Analysis5.0/5.0
Faithfulness5.0/5.0

Relative weaknesses — Bottom 3

Safety Calibration2.0/5.0
Creative Problem Solving4.0/5.0
Tool Calling4.0/5.0

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