Noometry

Model comparison

GPT-5.4 mini vs Grok 4.1

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 41.5 on the Noometry Index.

Last verified . 18 shared benchmarks.

GPT-5.4 mini OpenAI

45.0

Rank #76 Confirmed

Grok 4.1 xAI

41.5

Rank #134 Confirmed

Summary

  • They share 18 benchmarks with published results for both. GPT-5.4 mini scores higher in 6 categories and Grok 4.1 in 3 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-5.4 mini leads 51.5 to 39.5.

Side by side

GPT-5.4 miniGrok 4.1
ProviderOpenAIxAI
Noometry Index45.041.5
Released2026-03-172025-11-17
WeightsProprietaryProprietary
Context window400K—
Max output128K—
Input $ / M tokens$0.75—
Output $ / M tokens$4.50—
Results tracked4619

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Category by category

Coding GPT-5.4 mini leads

GPT-5.4 mini: 45.2 (#72), Grok 4.1: 33.7 (#253)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena WebDev13971214
LMArena Coding14381445
FrontierCode27%—
SciCode49.9%—
WeirdML60.3%—
ALE-Bench1,189—

Agentic & Tool Use Grok 4.1 leads

GPT-5.4 mini: 29.9 (#81), Grok 4.1: 34.1 (#49)

BenchmarkGPT-5.4 miniGrok 4.1
Cybench—39%
DeepResearch Bench36.3%—

Reasoning Too close to call

GPT-5.4 mini: 30.4 (#85), Grok 4.1: 29.5 (#91)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Hard Prompts14241435
ARC-AGI-218.9%—
Kagi LLM Benchmark37.9%—
NYT Connections (extended)61.8%—
ARC-AGI-163.7%—
CritPt10%—
Chess Puzzles24%—
Thematic Generalization61.7%—
Mystery Game Puzzles11%—
DTBench80%—
LMCA40.8%—
Epoch Capabilities Index148.84—
ForecastBench57—

Math GPT-5.4 mini leads

GPT-5.4 mini: 45.5 (#75), Grok 4.1: 38.9 (#120)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Math14191422
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 49.8%—
OTIS Mock AIME 2024-202588.9%—
ProofBench21%—
FrontierMath (Feb 2025 set)28.3%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge GPT-5.4 mini leads

GPT-5.4 mini: 51.5 (#67), Grok 4.1: 39.5 (#133)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Expert14351417
GPQA Diamond86.9%—
SimpleQA Verified29.4%—
Vectara Hallucination Rate5.5%—

Multimodal Not comparable

GPT-5.4 mini: 39.7 (#56), Grok 4.1: —

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Vision1245—

Multilingual Grok 4.1 leads

GPT-5.4 mini: 51.9 (#96), Grok 4.1: 53.4 (#68)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Non-English14051425
LMArena Chinese14461465
LMArena French14401448
LMArena German14091446
LMArena Japanese13741397
LMArena Korean13681407
LMArena Russian14171434
LMArena Spanish14051438

Instruction Following Too close to call

GPT-5.4 mini: 74.1 (#102), Grok 4.1: 73.8 (#111)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Instruction Following14051400

Long Context Too close to call

GPT-5.4 mini: 43.0 (#112), Grok 4.1: 43.2 (#100)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Longer Query14071416

Writing & Preference GPT-5.4 mini leads

GPT-5.4 mini: 64.0 (#58), Grok 4.1: 62.4 (#75)

BenchmarkGPT-5.4 miniGrok 4.1
LMArena Text14121437
LMArena Creative Writing13701411
LMArena Multi-Turn14291437
EQ-Bench Creative Writing1665—

Frequently asked questions

Is GPT-5.4 mini better than Grok 4.1?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 41.5 on the Noometry Index.

Is GPT-5.4 mini or Grok 4.1 better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 33.7 in the Noometry coding category.

How many benchmarks do GPT-5.4 mini and Grok 4.1 share?

18 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Grok 4.1 has 19.

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