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Nemotron Ultra 253B

NVIDIAOpen weightsReasoningReleased Apr 7, 2025
Compare with Claude Opus 5.5Source scores ↗
Overall score
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Not enough evidence to rank yet
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32K
32,000 tokens
Price per 1M tokens
— in · — out
No price listed
Blended price
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3:1 input:output tokens
Output speed
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Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

  1. 1Knowledge67.8
  2. 2Coding55.1
Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

Benchmark results (5)

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

Math

AIME 202572.5#23 of 38
MATH-50097.0#6 of 20

Coding

LiveCodeBench66.3#4 of 10

Knowledge

GPQA76.0#66 of 117

Instruction following

IFEval89.5#23 of 53

Pricing by source

USD per 1M tokens.

SourceInputOutputCached in
List price———

Open-weight model. Self-hosted or third-party hosted costs vary by provider and infrastructure.

Speed

Measured by us through OpenRouter (median of trials).

Not available on OpenRouter, so we cannot measure it yet.