Model comparison

Grok 4.1 vs o3-mini

Grok 4.1 is the stronger model overall, scoring 41.5 to 36.7 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4.1 xAI

41.5

Rank #134 Confirmed

o3-mini OpenAI

36.7

Rank #212 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4.1 scores higher in 7 categories and o3-mini in 2 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 16.3.
  • The biggest single-benchmark swing is Cybench: 39% for Grok 4.1 and 22.5% for o3-mini.

Side by side

Grok 4.1 and o3-mini specifications
Grok 4.1o3-mini
ProviderxAIOpenAI
Noometry Index41.536.7
Released2025-11-172024-12-20
WeightsProprietaryProprietary
Context window—200K
Max output—100K
Input $ / M tokens—$1.10
Output $ / M tokens—$4.40
Results tracked1951

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Category by category

Coding o3-mini leads

Grok 4.1: 33.7 (#253), o3-mini: 40.8 (#132)

Coding benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Coding14451378
Aider Polyglot—60.4%
LMArena WebDev1214—
SciCode—39.8%
GSO—1.3%
WeirdML—43.7%
LiveBench Coding—82.7%
CadEval—54%

Agentic & Tool Use Grok 4.1 leads

Grok 4.1: 34.1 (#49), o3-mini: 29.6 (#84)

Agentic & Tool Use benchmarks
BenchmarkGrok 4.1o3-mini
Cybench39%22.5%

Reasoning Grok 4.1 leads

Grok 4.1: 29.5 (#91), o3-mini: 16.3 (#305)

Reasoning benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Hard Prompts14351366
ARC-AGI-2—3%
SimpleBench—22.8%
ARC-AGI-1—34.5%
CritPt—0.3%
Chess Puzzles—17%
LiveBench Reasoning—89.6%
Mystery Game Puzzles—7%
DTBench—68.8%
LiveBench Data Analysis—70.6%
LMCA—19%
Epoch Capabilities Index—140.34
ForecastBench—59.6
LiveBench—75.9%

Math Grok 4.1 leads

Grok 4.1: 38.9 (#120), o3-mini: 28.1 (#244)

Knowledge Grok 4.1 leads

Grok 4.1: 39.5 (#133), o3-mini: 38.3 (#146)

Knowledge benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Expert14171364
GPQA Diamond—77%
SimpleQA Verified—15.3%
Confabulations—17.9%

Multilingual Grok 4.1 leads

Grok 4.1: 53.4 (#68), o3-mini: 45.7 (#164)

Multilingual benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Non-English14251319
LMArena Chinese14651379
LMArena French14481334
LMArena German14461303
LMArena Japanese13971286
LMArena Korean14071314
LMArena Russian14341304
LMArena Spanish14381321

Instruction Following o3-mini leads

Grok 4.1: 73.8 (#111), o3-mini: 75.1 (#72)

Instruction Following benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Instruction Following14001337
LiveBench Instruction Following—84.4%

Long Context Grok 4.1 leads

Grok 4.1: 43.2 (#100), o3-mini: 33.8 (#256)

Long Context benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Longer Query14161343
Fiction.LiveBench—50%

Writing & Preference Grok 4.1 leads

Grok 4.1: 62.4 (#75), o3-mini: 50.3 (#182)

Writing & Preference benchmarks
BenchmarkGrok 4.1o3-mini
LMArena Text14371337
LMArena Creative Writing14111286
LMArena Multi-Turn14371320
Short-Story Creative Writing—61.7%
LiveBench Language—50.7%

Frequently asked questions

Is Grok 4.1 better than o3-mini?

Grok 4.1 is the stronger model overall, scoring 41.5 to 36.7 on the Noometry Index.

Is Grok 4.1 or o3-mini better for coding?

o3-mini scores higher on coding benchmarks: 40.8 versus 33.7 in the Noometry coding category.

How many benchmarks do Grok 4.1 and o3-mini share?

18 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and o3-mini has 51.

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