Model comparison

Nemotron 3 Ultra vs o1

Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 40.9 on the Noometry Index.

Last verified . 23 shared benchmarks.

Nemotron 3 Ultra NVIDIA

42.5

Rank #113 Confirmed

o1 OpenAI

40.9

Rank #143 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Nemotron 3 Ultra scores higher in 4 categories and o1 in 5 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 41.5.
  • The biggest single-benchmark swing is DTBench: 90.1% for Nemotron 3 Ultra and 74.7% for o1.
  • Nemotron 3 Ultra is cheaper at $0.50 / $2.20 per million input/output tokens, against $15 / $60 for o1.
  • Nemotron 3 Ultra accepts more context: 262K tokens versus 200K.
  • Nemotron 3 Ultra has downloadable open weights; the other is API-only.

Side by side

Nemotron 3 Ultra and o1 specifications
Nemotron 3 Ultrao1
ProviderNVIDIAOpenAI
Noometry Index42.540.9
Released2026-06-042024-09-12
WeightsOpenProprietary
Context window262K200K
Max output128K100K
Input $ / M tokens$0.50$15
Output $ / M tokens$2.20$60
Results tracked3052

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Category by category

Coding o1 leads

Nemotron 3 Ultra: 38.1 (#182), o1: 46.1 (#70)

Coding benchmarks
BenchmarkNemotron 3 Ultrao1
WeirdML43.5%47.6%
LMArena Coding14681367
FrontierCode13.6%—
Aider Polyglot—61.7%
SciCode40.3%—
LiveBench Coding—69.7%
CadEval—56%
HumanEval+—89%
MBPP+—80.2%

Agentic & Tool Use o1 leads

Nemotron 3 Ultra: 23.4 (#126), o1: 24.6 (#117)

Agentic & Tool Use benchmarks
BenchmarkNemotron 3 Ultrao1
APEX-Agents22.7%—
Cybench—10%
METR Time Horizons—51.1%

Reasoning Nemotron 3 Ultra leads

Nemotron 3 Ultra: 31.0 (#82), o1: 27.9 (#111)

Reasoning benchmarks
BenchmarkNemotron 3 Ultrao1
Chess Puzzles12%15%
LMArena Hard Prompts14521371
DTBench90.1%74.7%
LMCA36.9%22.3%
Epoch Capabilities Index146.17141.91
SimpleBench—41.7%
ARC-AGI-1—30.7%
CritPt3.1%—
EnigmaEval—5.7%
LiveBench Reasoning—91.6%
Mystery Game Puzzles20%—
LiveBench Data Analysis—65.5%
LiveBench—75.7%

Math Too close to call

Nemotron 3 Ultra: 35.3 (#187), o1: 36.1 (#175)

Math benchmarks
BenchmarkNemotron 3 Ultrao1
OTIS Mock AIME 2024-202586.7%73.3%
LMArena Math14571388
FrontierMath (Tiers 1-3)—14.7%
ProofBench2%—
LiveBench Math—80.3%
MATH Level 5—94.7%
FrontierMath (Feb 2025 set)—9.3%

Knowledge Nemotron 3 Ultra leads

Nemotron 3 Ultra: 52.5 (#61), o1: 41.5 (#110)

Knowledge benchmarks
BenchmarkNemotron 3 Ultrao1
GPQA Diamond85.4%76.8%
LMArena Expert14721361
Humanity's Last Exam—8%
SimpleQA Verified—41.1%
Confabulations—11.7%

Multimodal Not comparable

Nemotron 3 Ultra: —, o1: 34.2 (#93)

Multimodal benchmarks
BenchmarkNemotron 3 Ultrao1
LMArena Vision—1168
GeoBench—80%
VPCT—37%
SpatialViz-Bench—41.4%

Multilingual Nemotron 3 Ultra leads

Nemotron 3 Ultra: 53.5 (#64), o1: 48.6 (#142)

Multilingual benchmarks
BenchmarkNemotron 3 Ultrao1
LMArena Non-English14271358
LMArena Chinese14971394
LMArena French14721344
LMArena German14711337
LMArena Korean13861396
LMArena Russian14171356
LMArena Spanish14541345
LMArena Japanese—1346

Instruction Following Too close to call

Nemotron 3 Ultra: 74.7 (#88), o1: 74.8 (#86)

Instruction Following benchmarks
BenchmarkNemotron 3 Ultrao1
LMArena Instruction Following14181367
LiveBench Instruction Following—81.5%

Long Context o1 leads

Nemotron 3 Ultra: 43.9 (#81), o1: 50.3 (#9)

Long Context benchmarks
BenchmarkNemotron 3 Ultrao1
LMArena Longer Query14371378
Fiction.LiveBench—83.3%

Writing & Preference Nemotron 3 Ultra leads

Nemotron 3 Ultra: 66.3 (#36), o1: 55.6 (#144)

Writing & Preference benchmarks
BenchmarkNemotron 3 Ultrao1
LMArena Text14451366
LMArena Creative Writing13981348
LMArena Multi-Turn14111369
Short-Story Creative Writing—70.2%
EQ-Bench Creative Writing1692—
LiveBench Language—65.4%

Frequently asked questions

Is Nemotron 3 Ultra better than o1?

Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 40.9 on the Noometry Index.

Which is cheaper, Nemotron 3 Ultra or o1?

Nemotron 3 Ultra is cheaper. It lists at $0.50 per million input tokens and $2.20 per million output tokens; o1 lists at $15 and $60.

Is Nemotron 3 Ultra or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 38.1 in the Noometry coding category.

Which has the bigger context window?

Nemotron 3 Ultra does, with 262K tokens against 200K.

How many benchmarks do Nemotron 3 Ultra and o1 share?

23 benchmarks have published results for both models. Nemotron 3 Ultra has 30 scored results on Noometry and o1 has 52.

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