Model comparison

GPT-5.2 Pro vs Grok 4

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 48.1 on the Noometry Index.

Last verified . 5 shared benchmarks.

GPT-5.2 Pro OpenAI

52.3

Rank #39 Reported

Grok 4 xAI

48.1

Rank #56 Confirmed

Summary

  • They share 5 benchmarks with published results for both. GPT-5.2 Pro scores higher in 2 categories and Grok 4 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.2 Pro leads 65.3 to 48.4.
  • The biggest single-benchmark swing is ARC-AGI-2: 54.2% for GPT-5.2 Pro and 16% for Grok 4.

Side by side

GPT-5.2 Pro and Grok 4 specifications
GPT-5.2 ProGrok 4
ProviderOpenAIxAI
Noometry Index52.348.1
Released2025-12-112025-07-09
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$21—
Output $ / M tokens$168—
Results tracked848

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

GPT-5.2 Pro: —, Grok 4: 50.3 (#46)

Coding benchmarks
BenchmarkGPT-5.2 ProGrok 4
Aider Polyglot—79.6%
WeirdML—45.7%
LMArena Coding—1408

Agentic & Tool Use Not comparable

GPT-5.2 Pro: —, Grok 4: 32.3 (#68)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2 ProGrok 4
Terminal-Bench—27.2%
Berkeley Function Calling Leaderboard—63%
GDPval—21.1%
Cybench—43%
DeepResearch Bench—47.3%
BALROG—43.6%
LMArena Search—1142
METR Time Horizons—66.6%

Reasoning GPT-5.2 Pro leads

GPT-5.2 Pro: 51.5 (#33), Grok 4: 36.7 (#65)

Reasoning benchmarks
BenchmarkGPT-5.2 ProGrok 4
ARC-AGI-254.2%16%
SimpleBench57.4%60.5%
ARC-AGI-190.5%66.7%
Epoch Capabilities Index155.4146.44
Kagi LLM Benchmark—73.6%
NYT Connections (extended)79.3%—
Chess Puzzles—28%
LMArena Hard Prompts—1409
ForecastBench—60.9

Math GPT-5.2 Pro leads

GPT-5.2 Pro: 65.3 (#29), Grok 4: 48.4 (#64)

Knowledge Not comparable

GPT-5.2 Pro: —, Grok 4: 53.8 (#55)

Knowledge benchmarks
BenchmarkGPT-5.2 ProGrok 4
GPQA Diamond—87%
MMLU-Pro—85.1%
Confabulations—12.4%
GPQA (HELM)—72.7%
LMArena Expert—1415

Multimodal Not comparable

GPT-5.2 Pro: —, Grok 4: 33.7 (#94)

Multimodal benchmarks
BenchmarkGPT-5.2 ProGrok 4
LMArena Vision—1210
GeoBench—45%

Multilingual Not comparable

GPT-5.2 Pro: —, Grok 4: 51.8 (#103)

Multilingual benchmarks
BenchmarkGPT-5.2 ProGrok 4
LMArena Non-English—1403
LMArena Chinese—1427
LMArena French—1418
LMArena German—1429
LMArena Japanese—1394
LMArena Korean—1377
LMArena Russian—1410
LMArena Spanish—1420

Instruction Following Not comparable

GPT-5.2 Pro: —, Grok 4: 79.2 (#5)

Instruction Following benchmarks
BenchmarkGPT-5.2 ProGrok 4
IFEval—94.9%
LMArena Instruction Following—1387

Long Context Not comparable

GPT-5.2 Pro: —, Grok 4: 63.1 (#4)

Long Context benchmarks
BenchmarkGPT-5.2 ProGrok 4
Fiction.LiveBench—94.4%
LMArena Longer Query—1409

Writing & Preference Not comparable

GPT-5.2 Pro: —, Grok 4: 58.5 (#116)

Writing & Preference benchmarks
BenchmarkGPT-5.2 ProGrok 4
LMArena Text—1411
LMArena Creative Writing—1397
Short-Story Creative Writing—76.9%
WildBench—79.7%
LMArena Multi-Turn—1416

Frequently asked questions

Is GPT-5.2 Pro better than Grok 4?

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 48.1 on the Noometry Index.

How many benchmarks do GPT-5.2 Pro and Grok 4 share?

5 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Grok 4 has 48.

Related comparisons

Go deeper