Model comparison

Grok-2 (Dec 2024) vs Grok 4.1

Grok 4.1 is the stronger model overall, scoring 40.8 to 33.4 on the Noometry Index.

Last verified . 17 shared benchmarks.

Grok-2 (Dec 2024) xAI

33.4

Rank #233 Confirmed

Grok 4.1 xAI

40.8

Rank #135 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 0 categories and Grok 4.1 in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4.1 leads 36.2 to 19.6.

Side by side

Grok-2 (Dec 2024) and Grok 4.1 specifications
Grok-2 (Dec 2024)Grok 4.1
ProviderxAIxAI
Noometry Index33.440.8
Released2024-08-132025-11-17
WeightsProprietaryProprietary
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3419

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Category by category

Coding Too close to call

Grok-2 (Dec 2024): 32.9 (#254), Grok 4.1: 33.4 (#246)

Coding benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Coding12881445
LMArena WebDev—1214
WeirdML22.2%—
LiveBench Coding46.4%—

Agentic & Tool Use Not comparable

Grok-2 (Dec 2024): —, Grok 4.1: 33.8 (#47)

Agentic & Tool Use benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
Cybench—39%

Reasoning Grok 4.1 leads

Grok-2 (Dec 2024): 16.4 (#294), Grok 4.1: 28.3 (#91)

Reasoning benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Hard Prompts12721436
SimpleBench22.7%—
LiveBench Reasoning54.8%—
DTBench65.2%—
LiveBench Data Analysis54.5%—
Epoch Capabilities Index130.48—
LiveBench54.3%—

Math Grok 4.1 leads

Grok-2 (Dec 2024): 19.6 (#278), Grok 4.1: 36.2 (#124)

Math benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Math12831422
OTIS Mock AIME 2024-202511.5%—
LiveBench Math54.9%—
MATH Level 563.5%—
FrontierMath (Feb 2025 set)0.7%—

Knowledge Grok 4.1 leads

Grok-2 (Dec 2024): 29.8 (#225), Grok 4.1: 38.9 (#129)

Knowledge benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Expert12541417
GPQA Diamond53.8%—
Confabulations20.1%—

Multilingual Grok 4.1 leads

Grok-2 (Dec 2024): 43.3 (#183), Grok 4.1: 53.6 (#64)

Multilingual benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Non-English12821425
LMArena Chinese12891464
LMArena French13171448
LMArena German12871447
LMArena Japanese12441396
LMArena Korean12371407
LMArena Russian12861434
LMArena Spanish12811438

Instruction Following Grok 4.1 leads

Grok-2 (Dec 2024): 67.1 (#197), Grok 4.1: 74.0 (#106)

Instruction Following benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Instruction Following12701400
LiveBench Instruction Following69.6%—

Long Context Grok 4.1 leads

Grok-2 (Dec 2024): 38.7 (#186), Grok 4.1: 43.2 (#96)

Long Context benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Longer Query12761416

Writing & Preference Grok 4.1 leads

Grok-2 (Dec 2024): 48.8 (#192), Grok 4.1: 62.6 (#71)

Writing & Preference benchmarks
BenchmarkGrok-2 (Dec 2024)Grok 4.1
LMArena Text13051437
LMArena Creative Writing12841411
LMArena Multi-Turn12901438
Short-Story Creative Writing63.6%—
LiveBench Language45.6%—

Frequently asked questions

Is Grok-2 (Dec 2024) better than Grok 4.1?

Grok 4.1 is the stronger model overall, scoring 40.8 to 33.4 on the Noometry Index.

Is Grok-2 (Dec 2024) or Grok 4.1 better for coding?

They score almost the same on coding (32.9 vs 33.4); test both on your own repository before choosing.

How many benchmarks do Grok-2 (Dec 2024) and Grok 4.1 share?

17 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Grok 4.1 has 19.

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