Noometry

Model comparison

Grok 4 vs Nova 2 Lite

Grok 4 is the stronger model overall, scoring 47.8 to 39.0 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4 xAI

47.8

Rank #49 Confirmed

Nova 2 Lite Amazon

39.0

Rank #161 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4 scores higher in 9 categories and Nova 2 Lite in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 40.6.
  • The biggest single-benchmark swing is Berkeley Function Calling Leaderboard: 63% for Grok 4 and 27.1% for Nova 2 Lite.

Side by side

Grok 4Nova 2 Lite
ProviderxAIAmazon
Noometry Index47.839.0
Released2025-07-092025-12-01
WeightsProprietaryProprietary
Context window—1M
Max output—64K
Input $ / M tokens—$0.30
Output $ / M tokens—$2.50
Results tracked4819

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Category by category

Coding Grok 4 leads

Grok 4: 49.9 (#44), Nova 2 Lite: 40.1 (#131)

BenchmarkGrok 4Nova 2 Lite
LMArena Coding14081386
Aider Polyglot79.6%—
WeirdML45.7%—

Agentic & Tool Use Grok 4 leads

Grok 4: 32.1 (#62), Nova 2 Lite: 23.9 (#114)

BenchmarkGrok 4Nova 2 Lite
Berkeley Function Calling Leaderboard63%27.1%
Terminal-Bench27.2%—
GDPval21.1%—
Cybench43%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—

Reasoning Grok 4 leads

Grok 4: 36.9 (#59), Nova 2 Lite: 26.4 (#120)

BenchmarkGrok 4Nova 2 Lite
LMArena Hard Prompts14091364
ARC-AGI-216%—
SimpleBench60.5%—
Kagi LLM Benchmark73.6%—
ARC-AGI-166.7%—
Chess Puzzles28%—
Epoch Capabilities Index146.46—
ForecastBench60.9—

Math Grok 4 leads

Grok 4: 46.5 (#58), Nova 2 Lite: 34.8 (#154)

BenchmarkGrok 4Nova 2 Lite
LMArena Math14221359
OTIS Mock AIME 2024-202584%—
Omni-MATH60.3%—
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.7 (#50), Nova 2 Lite: 42.5 (#88)

BenchmarkGrok 4Nova 2 Lite
LMArena Expert14171360
GPQA Diamond87%—
MMLU-Pro85.1%—
Confabulations12.4%—
Vectara Hallucination Rate—5.1%
GPQA (HELM)72.7%—

Multimodal Not comparable

Grok 4: 33.1 (#89), Nova 2 Lite: —

BenchmarkGrok 4Nova 2 Lite
LMArena Vision1211—
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 52.0 (#98), Nova 2 Lite: 47.3 (#148)

BenchmarkGrok 4Nova 2 Lite
LMArena Non-English14031337
LMArena Chinese14281364
LMArena French14181381
LMArena German14291343
LMArena Japanese13961273
LMArena Korean13761284
LMArena Russian14091343
LMArena Spanish14191372

Instruction Following Grok 4 leads

Grok 4: 79.4 (#4), Nova 2 Lite: 70.7 (#156)

BenchmarkGrok 4Nova 2 Lite
LMArena Instruction Following13871335
IFEval94.9%—

Long Context Grok 4 leads

Grok 4: 63.1 (#4), Nova 2 Lite: 40.6 (#145)

BenchmarkGrok 4Nova 2 Lite
LMArena Longer Query14091335
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 leads

Grok 4: 58.7 (#111), Nova 2 Lite: 54.1 (#150)

BenchmarkGrok 4Nova 2 Lite
LMArena Text14121362
LMArena Creative Writing13971291
LMArena Multi-Turn14161338
Short-Story Creative Writing76.9%—
WildBench79.7%—

Frequently asked questions

Is Grok 4 better than Nova 2 Lite?

Grok 4 is the stronger model overall, scoring 47.8 to 39.0 on the Noometry Index.

Is Grok 4 or Nova 2 Lite better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 40.1 in the Noometry coding category.

How many benchmarks do Grok 4 and Nova 2 Lite share?

18 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Nova 2 Lite has 19.

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