Model comparison

GPT-4 Turbo vs Grok 4.20 (Non-Reasoning)

Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.5 to 30.3 on the Noometry Index.

Last verified . 27 shared benchmarks.

GPT-4 Turbo OpenAI

30.3

Rank #281 Confirmed

Grok 4.20 (Non-Reasoning) xAI

48.5

Rank #48 Confirmed

Summary

  • They share 27 benchmarks with published results for both. GPT-4 Turbo scores higher in 0 categories and Grok 4.20 (Non-Reasoning) in 9 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4.20 (Non-Reasoning) leads 48.0 to 8.6.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 6.7% for GPT-4 Turbo and 92.2% for Grok 4.20 (Non-Reasoning).
  • Grok 4.20 (Non-Reasoning) is cheaper at $1.25 / $2.50 per million input/output tokens, against $10 / $30 for GPT-4 Turbo.
  • Grok 4.20 (Non-Reasoning) accepts more context: 1M tokens versus 128K.

Side by side

GPT-4 Turbo and Grok 4.20 (Non-Reasoning) specifications
GPT-4 TurboGrok 4.20 (Non-Reasoning)
ProviderOpenAIxAI
Noometry Index30.348.5
Released2023-11-062026-02-17
WeightsProprietaryProprietary
Context window128K1M
Max output4K30K
Input $ / M tokens$10$1.25
Output $ / M tokens$30$2.50
Results tracked3646

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Category by category

Coding Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 33.4 (#247), Grok 4.20 (Non-Reasoning): 41.8 (#104)

Coding benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
WeirdML18%52.3%
LMArena Coding12681458
LMArena WebDev—1374
BigCodeBench Instruct48.2%—
BigCodeBench Complete58.2%—
ALE-Bench—1,150
HumanEval+86.6%—
MBPP+73.3%—

Agentic & Tool Use Not comparable

GPT-4 Turbo: —, Grok 4.20 (Non-Reasoning): 34.3 (#43)

Agentic & Tool Use benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
Terminal-Bench—57.3%
τ²-bench Banking—18%
LMArena Search—1189
METR Time Horizons36.7%—
Vending-Bench 2—4,663

Reasoning Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 14.9 (#311), Grok 4.20 (Non-Reasoning): 52.2 (#30)

Reasoning benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
Chess Puzzles6%24%
LMArena Hard Prompts12511451
DTBench61.6%90.1%
LMCA9.8%38.7%
Epoch Capabilities Index127.25152.01
ForecastBench59.461.4
ARC-AGI-2—65.1%
SimpleBench25.1%—
Kagi LLM Benchmark—75%
NYT Connections (extended)—85.4%
ARC-AGI-1—89.5%
Thematic Generalization—63.8%

Math Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 8.6 (#316), Grok 4.20 (Non-Reasoning): 48.0 (#54)

Math benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
FrontierMath (Tiers 1-3)0.7%44.9%
OTIS Mock AIME 2024-20256.7%92.2%
LMArena Math12721455
FrontierMath Tier 4—17.1%
ProofBench—14%
MATH Level 546.7%—

Knowledge Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 24.3 (#263), Grok 4.20 (Non-Reasoning): 52.8 (#54)

Knowledge benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
GPQA Diamond46.6%89.3%
LMArena Expert12231440
SimpleQA Verified—30.2%
Confabulations28.4%—
MMLU81.3%—

Multimodal Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 30.0 (#104), Grok 4.20 (Non-Reasoning): 33.2 (#88)

Multimodal benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
LMArena Vision10901263
Blueprint-Bench 2—0%
LMArena Document—1416

Multilingual Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 40.7 (#211), Grok 4.20 (Non-Reasoning): 54.7 (#38)

Multilingual benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
LMArena Non-English12451440
LMArena Chinese12421481
LMArena French12751477
LMArena German12591463
LMArena Japanese11941450
LMArena Korean11871417
LMArena Russian12591457
LMArena Spanish12601442

Instruction Following Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 66.0 (#211), Grok 4.20 (Non-Reasoning): 75.0 (#79)

Instruction Following benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
LMArena Instruction Following12501420

Long Context Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 38.0 (#200), Grok 4.20 (Non-Reasoning): 45.4 (#33)

Long Context benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
LMArena Longer Query12541436
CL-bench—22.2%
CL-bench Life—11.9%

Writing & Preference Grok 4.20 (Non-Reasoning) leads

GPT-4 Turbo: 47.9 (#201), Grok 4.20 (Non-Reasoning): 65.9 (#42)

Writing & Preference benchmarks
BenchmarkGPT-4 TurboGrok 4.20 (Non-Reasoning)
LMArena Text12721451
LMArena Creative Writing12691439
LMArena Multi-Turn12671456
EQ-Bench Creative Writing—1574

Frequently asked questions

Is GPT-4 Turbo better than Grok 4.20 (Non-Reasoning)?

Grok 4.20 (Non-Reasoning) is the stronger model overall, scoring 48.5 to 30.3 on the Noometry Index.

Which is cheaper, GPT-4 Turbo or Grok 4.20 (Non-Reasoning)?

Grok 4.20 (Non-Reasoning) is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; GPT-4 Turbo lists at $10 and $30.

Is GPT-4 Turbo or Grok 4.20 (Non-Reasoning) better for coding?

Grok 4.20 (Non-Reasoning) scores higher on coding benchmarks: 41.8 versus 33.4 in the Noometry coding category.

Which has the bigger context window?

Grok 4.20 (Non-Reasoning) does, with 1M tokens against 128K.

How many benchmarks do GPT-4 Turbo and Grok 4.20 (Non-Reasoning) share?

27 benchmarks have published results for both models. GPT-4 Turbo has 36 scored results on Noometry and Grok 4.20 (Non-Reasoning) has 46.

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