Model comparison

GPT-5.2 vs Grok 4

GPT-5.2 is the stronger model overall, scoring 54.1 to 48.1 on the Noometry Index.

Last verified . 36 shared benchmarks.

GPT-5.2 OpenAI

54.1

Rank #34 Confirmed

Grok 4 xAI

48.1

Rank #56 Confirmed

Summary

  • They share 36 benchmarks with published results for both. GPT-5.2 scores higher in 8 categories and Grok 4 in 2 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 44.0.
  • The biggest single-benchmark swing is Terminal-Bench: 64.9% for GPT-5.2 and 27.2% for Grok 4.

Side by side

GPT-5.2 and Grok 4 specifications
GPT-5.2Grok 4
ProviderOpenAIxAI
Noometry Index54.148.1
Released2025-12-112025-07-09
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$1.75—
Output $ / M tokens$14—
Results tracked6748

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Category by category

Coding GPT-5.2 leads

GPT-5.2: 51.6 (#37), Grok 4: 50.3 (#46)

Coding benchmarks
BenchmarkGPT-5.2Grok 4
WeirdML72.2%45.7%
LMArena Coding14471408
SWE-bench Verified73.8%—
SWE-bench Verified (bash only)72.8%—
Aider Polyglot—79.6%
LMArena WebDev1416—
SWE-bench Multilingual66.7%—
GSO27.4%—
ALE-Bench1,294—
AlgoTune2.05—

Agentic & Tool Use GPT-5.2 leads

GPT-5.2: 40.2 (#24), Grok 4: 32.3 (#68)

Agentic & Tool Use benchmarks
BenchmarkGPT-5.2Grok 4
Terminal-Bench64.9%27.2%
Berkeley Function Calling Leaderboard55.9%63%
GDPval49.7%21.1%
DeepResearch Bench41.1%47.3%
LMArena Search12071142
METR Time Horizons75.3%66.6%
Remote Labor Index2.5%—
τ²-bench Airline83%—
τ²-bench Banking32.2%—
τ²-bench Retail81.6%—
τ²-bench Telecom89.7%—
Cybench—43%
BALROG—43.6%
Vending-Bench 23,591—

Reasoning GPT-5.2 leads

GPT-5.2: 50.2 (#35), Grok 4: 36.7 (#65)

Reasoning benchmarks
BenchmarkGPT-5.2Grok 4
ARC-AGI-252.9%16%
SimpleBench45.8%60.5%
Kagi LLM Benchmark73.3%73.6%
ARC-AGI-186.2%66.7%
Chess Puzzles49%28%
LMArena Hard Prompts14451409
Epoch Capabilities Index153.45146.44
ForecastBench60.160.9
NYT Connections (extended)83.6%—
EnigmaEval10.4%—
EBR-Bench23%—
Mystery Game Puzzles23%—
DTBench90.9%—
LMCA43.9%—

Math GPT-5.2 leads

GPT-5.2: 60.0 (#38), Grok 4: 48.4 (#64)

Knowledge GPT-5.2 leads

GPT-5.2: 59.3 (#32), Grok 4: 53.8 (#55)

Knowledge benchmarks
BenchmarkGPT-5.2Grok 4
GPQA Diamond91.4%87%
LMArena Expert14451415
Humanity's Last Exam27.8%—
SimpleQA Verified37.1%—
MMLU-Pro—85.1%
Confabulations—12.4%
Vectara Hallucination Rate8.4%—
GPQA (HELM)—72.7%

Multimodal GPT-5.2 leads

GPT-5.2: 51.3 (#7), Grok 4: 33.7 (#94)

Multimodal benchmarks
BenchmarkGPT-5.2Grok 4
LMArena Vision12681210
GeoBench—45%
VPCT84%—
Furniture Assembly38.3%—
LMArena Document1405—

Multilingual GPT-5.2 leads

GPT-5.2: 53.4 (#67), Grok 4: 51.8 (#103)

Multilingual benchmarks
BenchmarkGPT-5.2Grok 4
LMArena Non-English14251403
LMArena Chinese14601427
LMArena French14551418
LMArena German14481429
LMArena Japanese14201394
LMArena Korean13921377
LMArena Russian14401410
LMArena Spanish14331420

Instruction Following Grok 4 leads

GPT-5.2: 74.7 (#89), Grok 4: 79.2 (#5)

Instruction Following benchmarks
BenchmarkGPT-5.2Grok 4
LMArena Instruction Following14171387
IFEval—94.9%

Long Context Grok 4 leads

GPT-5.2: 44.0 (#78), Grok 4: 63.1 (#4)

Long Context benchmarks
BenchmarkGPT-5.2Grok 4
LMArena Longer Query14281409
Fiction.LiveBench—94.4%
CL-bench18.2%—

Writing & Preference GPT-5.2 leads

GPT-5.2: 66.8 (#32), Grok 4: 58.5 (#116)

Writing & Preference benchmarks
BenchmarkGPT-5.2Grok 4
LMArena Text14391411
LMArena Creative Writing14011397
LMArena Multi-Turn14581416
Short-Story Creative Writing—76.9%
EQ-Bench Creative Writing1703—
WildBench—79.7%

Frequently asked questions

Is GPT-5.2 better than Grok 4?

GPT-5.2 is the stronger model overall, scoring 54.1 to 48.1 on the Noometry Index.

Is GPT-5.2 or Grok 4 better for coding?

GPT-5.2 scores higher on coding benchmarks: 51.6 versus 50.3 in the Noometry coding category.

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

36 benchmarks have published results for both models. GPT-5.2 has 67 scored results on Noometry and Grok 4 has 48.

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