Noometry

Model comparison

Claude 3 Opus vs Nemotron 3 Ultra

Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 29.3 on the Noometry Index.

Last verified . 23 shared benchmarks.

Claude 3 Opus Anthropic

29.3

Rank #300 Confirmed

Nemotron 3 Ultra NVIDIA

44.7

Rank #71 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Nemotron 3 Ultra in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 24.5.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 86.7% for Nemotron 3 Ultra.
  • Nemotron 3 Ultra has downloadable open weights; the other is API-only.

Side by side

Claude 3 OpusNemotron 3 Ultra
ProviderAnthropicNVIDIA
Noometry Index29.344.7
Released2024-02-292026-06-04
WeightsProprietaryOpen
Context window—262K
Max output—128K
Input $ / M tokens—$0.60
Output $ / M tokens—$2.40
Results tracked4629

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Category by category

Coding Nemotron 3 Ultra leads

Claude 3 Opus: 32.4 (#261), Nemotron 3 Ultra: 37.7 (#174)

BenchmarkClaude 3 OpusNemotron 3 Ultra
WeirdML19.2%43.5%
LMArena Coding12641468
FrontierCode—13.6%
SciCode—40.3%
BigCodeBench Instruct45.5%—
LiveBench Coding38.6%—
BigCodeBench Complete57.4%—
HumanEval+77.4%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

Claude 3 Opus: 24.3 (#110), Nemotron 3 Ultra: —

BenchmarkClaude 3 OpusNemotron 3 Ultra
Cybench10%—
METR Time Horizons29.5%—

Reasoning Nemotron 3 Ultra leads

Claude 3 Opus: 14.2 (#318), Nemotron 3 Ultra: 30.3 (#78)

BenchmarkClaude 3 OpusNemotron 3 Ultra
Chess Puzzles5%12%
LMArena Hard Prompts12461452
DTBench61.6%90.1%
LMCA17%36.9%
Epoch Capabilities Index126.91146.2
SimpleBench23.5%—
CritPt—3.1%
EnigmaEval0.8%—
LiveBench Reasoning40.6%—
Mystery Game Puzzles—20%
LiveBench Data Analysis57.9%—
ForecastBench58.4—
LiveBench49.2%—
WinoGrande88.5%—

Math Nemotron 3 Ultra leads

Claude 3 Opus: 13.9 (#293), Nemotron 3 Ultra: 34.4 (#160)

BenchmarkClaude 3 OpusNemotron 3 Ultra
OTIS Mock AIME 2024-20254.7%86.7%
LMArena Math12731456
ProofBench—2%
LiveBench Math43.6%—
MATH Level 537.5%—

Knowledge Nemotron 3 Ultra leads

Claude 3 Opus: 24.5 (#262), Nemotron 3 Ultra: 52.5 (#56)

BenchmarkClaude 3 OpusNemotron 3 Ultra
GPQA Diamond47.2%85.4%
LMArena Expert12231472
SimpleQA Verified12.6%—
Confabulations22.7%—
MMLU84.6%—

Multimodal Not comparable

Claude 3 Opus: 26.6 (#112), Nemotron 3 Ultra: —

BenchmarkClaude 3 OpusNemotron 3 Ultra
LMArena Vision1023—

Multilingual Nemotron 3 Ultra leads

Claude 3 Opus: 41.6 (#202), Nemotron 3 Ultra: 53.7 (#61)

BenchmarkClaude 3 OpusNemotron 3 Ultra
LMArena Non-English12581427
LMArena Chinese12481498
LMArena French12741475
LMArena German12581471
LMArena Korean11871387
LMArena Russian12801415
LMArena Spanish12461452
LMArena Japanese1204—

Instruction Following Nemotron 3 Ultra leads

Claude 3 Opus: 64.3 (#223), Nemotron 3 Ultra: 74.9 (#84)

BenchmarkClaude 3 OpusNemotron 3 Ultra
LMArena Instruction Following12481417
LiveBench Instruction Following63.9%—

Long Context Nemotron 3 Ultra leads

Claude 3 Opus: 38.2 (#197), Nemotron 3 Ultra: 43.9 (#77)

BenchmarkClaude 3 OpusNemotron 3 Ultra
LMArena Longer Query12591437

Writing & Preference Nemotron 3 Ultra leads

Claude 3 Opus: 47.4 (#208), Nemotron 3 Ultra: 66.3 (#35)

BenchmarkClaude 3 OpusNemotron 3 Ultra
LMArena Text12621444
LMArena Creative Writing12351392
LMArena Multi-Turn12751412
EQ-Bench Creative Writing—1692
LiveBench Language50.4%—

Frequently asked questions

Is Claude 3 Opus better than Nemotron 3 Ultra?

Nemotron 3 Ultra is the stronger model overall, scoring 44.7 to 29.3 on the Noometry Index.

Is Claude 3 Opus or Nemotron 3 Ultra better for coding?

Nemotron 3 Ultra scores higher on coding benchmarks: 37.7 versus 32.4 in the Noometry coding category.

How many benchmarks do Claude 3 Opus and Nemotron 3 Ultra share?

23 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Nemotron 3 Ultra has 29.

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