Noometry

Model comparison

GPT-4 Turbo vs Grok 4

Grok 4 is the stronger model overall, scoring 48.1 to 30.5 on the Noometry Index.

Last verified . 27 shared benchmarks.

GPT-4 Turbo OpenAI

30.5

Rank #292 Confirmed

Grok 4 xAI

48.1

Rank #56 Confirmed

Summary

  • They share 27 benchmarks with published results for both. GPT-4 Turbo scores higher in 0 categories and Grok 4 in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4 leads 48.4 to 9.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 6.7% for GPT-4 Turbo and 84% for Grok 4.

Side by side

GPT-4 TurboGrok 4
ProviderOpenAIxAI
Noometry Index30.548.1
Released2023-11-062025-07-09
WeightsProprietaryProprietary
Context window128K—
Max output4K—
Input $ / M tokens$10—
Output $ / M tokens$30—
Results tracked3648

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Category by category

Coding Grok 4 leads

GPT-4 Turbo: 33.8 (#249), Grok 4: 50.3 (#46)

BenchmarkGPT-4 TurboGrok 4
WeirdML18%45.7%
LMArena Coding12681408
Aider Polyglot—79.6%
BigCodeBench Instruct48.2%—
BigCodeBench Complete58.2%—
HumanEval+86.6%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

GPT-4 Turbo: —, Grok 4: 32.3 (#68)

BenchmarkGPT-4 TurboGrok 4
METR Time Horizons36.7%66.6%
Terminal-Bench—27.2%
Berkeley Function Calling Leaderboard—63%
GDPval—21.1%
Cybench—43%
DeepResearch Bench—47.3%
BALROG—43.6%
LMArena Search—1142

Reasoning Grok 4 leads

GPT-4 Turbo: 15.3 (#317), Grok 4: 36.7 (#65)

BenchmarkGPT-4 TurboGrok 4
SimpleBench25.1%60.5%
Chess Puzzles6%28%
LMArena Hard Prompts12511409
Epoch Capabilities Index127.25146.44
ForecastBench59.460.9
ARC-AGI-2—16%
Kagi LLM Benchmark—73.6%
ARC-AGI-1—66.7%
DTBench61.6%—
LMCA9.8%—

Math Grok 4 leads

GPT-4 Turbo: 9.0 (#322), Grok 4: 48.4 (#64)

BenchmarkGPT-4 TurboGrok 4
OTIS Mock AIME 2024-20256.7%84%
LMArena Math12721422
FrontierMath (Tiers 1-3)0.7%—
Omni-MATH—60.3%
MATH Level 546.7%—
FrontierMath (Feb 2025 set)—19.7%
FrontierMath Tier 4 (v1)—2.1%

Knowledge Grok 4 leads

GPT-4 Turbo: 24.3 (#268), Grok 4: 53.8 (#55)

BenchmarkGPT-4 TurboGrok 4
GPQA Diamond46.6%87%
Confabulations28.4%12.4%
LMArena Expert12231415
MMLU-Pro—85.1%
GPQA (HELM)—72.7%
MMLU81.3%—

Multimodal Grok 4 leads

GPT-4 Turbo: 30.6 (#110), Grok 4: 33.7 (#94)

BenchmarkGPT-4 TurboGrok 4
LMArena Vision10901210
GeoBench—45%

Multilingual Grok 4 leads

GPT-4 Turbo: 40.5 (#216), Grok 4: 51.8 (#103)

BenchmarkGPT-4 TurboGrok 4
LMArena Non-English12451403
LMArena Chinese12421427
LMArena French12761418
LMArena German12591429
LMArena Japanese11941394
LMArena Korean11871377
LMArena Russian12591410
LMArena Spanish12601420

Instruction Following Grok 4 leads

GPT-4 Turbo: 65.8 (#216), Grok 4: 79.2 (#5)

BenchmarkGPT-4 TurboGrok 4
LMArena Instruction Following12491387
IFEval—94.9%

Long Context Grok 4 leads

GPT-4 Turbo: 38.0 (#206), Grok 4: 63.1 (#4)

BenchmarkGPT-4 TurboGrok 4
LMArena Longer Query12541409
Fiction.LiveBench—94.4%

Writing & Preference Grok 4 leads

GPT-4 Turbo: 47.7 (#206), Grok 4: 58.5 (#116)

BenchmarkGPT-4 TurboGrok 4
LMArena Text12721411
LMArena Creative Writing12691397
LMArena Multi-Turn12671416
Short-Story Creative Writing—76.9%
WildBench—79.7%

Frequently asked questions

Is GPT-4 Turbo better than Grok 4?

Grok 4 is the stronger model overall, scoring 48.1 to 30.5 on the Noometry Index.

Is GPT-4 Turbo or Grok 4 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 33.8 in the Noometry coding category.

How many benchmarks do GPT-4 Turbo and Grok 4 share?

27 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Grok 4 has 48.

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