Model comparison

Grok-2 (Dec 2024) vs Nemotron 3.5 Lightning

Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 33.7 on the Noometry Index.

Last verified . 17 shared benchmarks.

Grok-2 (Dec 2024) xAI

33.7

Rank #239 Confirmed

Nemotron 3.5 Lightning NVIDIA

40.0

Rank #155 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 1 category and Nemotron 3.5 Lightning in 7 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in math, where Nemotron 3.5 Lightning leads 37.5 to 20.8.
  • Nemotron 3.5 Lightning has downloadable open weights; the other is API-only.

Side by side

Grok-2 (Dec 2024) and Nemotron 3.5 Lightning specifications
Grok-2 (Dec 2024)Nemotron 3.5 Lightning
ProviderxAINVIDIA
Noometry Index33.740.0
Released2024-08-132026-08-11
WeightsProprietaryOpen
Context window—262K
Max output—262K
Input $ / M tokens—$0.05
Output $ / M tokens—$0.20
Results tracked3418

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Category by category

Coding Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 33.3 (#258), Nemotron 3.5 Lightning: 40.4 (#141)

Coding benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Coding12871375
WeirdML22.2%—
LiveBench Coding46.4%—

Reasoning Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 16.9 (#299), Nemotron 3.5 Lightning: 26.8 (#127)

Reasoning benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Hard Prompts12721337
SimpleBench22.7%—
LiveBench Reasoning54.8%—
DTBench65.2%—
LiveBench Data Analysis54.5%—
Epoch Capabilities Index130.48—
LiveBench54.3%—

Math Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 20.8 (#284), Nemotron 3.5 Lightning: 37.5 (#155)

Math benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Math12831359
OTIS Mock AIME 2024-202511.5%—
LiveBench Math54.9%—
MATH Level 563.5%—
FrontierMath (Feb 2025 set)0.7%—

Knowledge Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 29.8 (#233), Nemotron 3.5 Lightning: 37.5 (#154)

Knowledge benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Expert12541356
GPQA Diamond53.8%—
Confabulations20.1%—

Multilingual Too close to call

Grok-2 (Dec 2024): 43.1 (#188), Nemotron 3.5 Lightning: 44.0 (#180)

Multilingual benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Non-English12821295
LMArena Chinese12891359
LMArena French13181366
LMArena German12871282
LMArena Japanese12441206
LMArena Korean12371238
LMArena Russian12861253
LMArena Spanish12811345

Instruction Following Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 66.9 (#202), Nemotron 3.5 Lightning: 69.6 (#170)

Instruction Following benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Instruction Following12701318
LiveBench Instruction Following69.6%—

Long Context Nemotron 3.5 Lightning leads

Grok-2 (Dec 2024): 38.8 (#190), Nemotron 3.5 Lightning: 39.9 (#165)

Long Context benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Longer Query12761314

Writing & Preference Too close to call

Grok-2 (Dec 2024): 48.6 (#198), Nemotron 3.5 Lightning: 48.5 (#201)

Writing & Preference benchmarks
BenchmarkGrok-2 (Dec 2024)Nemotron 3.5 Lightning
LMArena Text13051327
LMArena Creative Writing12841254
LMArena Multi-Turn12901328
Short-Story Creative Writing63.6%—
EQ-Bench Creative Writing—1280
LiveBench Language45.6%—

Frequently asked questions

Is Grok-2 (Dec 2024) better than Nemotron 3.5 Lightning?

Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 33.7 on the Noometry Index.

Is Grok-2 (Dec 2024) or Nemotron 3.5 Lightning better for coding?

Nemotron 3.5 Lightning scores higher on coding benchmarks: 40.4 versus 33.3 in the Noometry coding category.

How many benchmarks do Grok-2 (Dec 2024) and Nemotron 3.5 Lightning share?

17 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Nemotron 3.5 Lightning has 18.

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