Noometry

Model comparison

Grok 4 vs MiniMax-M2.1

Grok 4 is the stronger model overall, scoring 47.8 to 38.4 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok 4 xAI

47.8

Rank #49 Confirmed

MiniMax-M2.1 MiniMax

38.4

Rank #177 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok 4 scores higher in 9 categories and MiniMax-M2.1 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4 leads 36.9 to 15.8.
  • The biggest single-benchmark swing is Terminal-Bench: 27.2% for Grok 4 and 36.6% for MiniMax-M2.1.
  • MiniMax-M2.1 has downloadable open weights; the other is API-only.

Side by side

Grok 4MiniMax-M2.1
ProviderxAIMiniMax
Noometry Index47.838.4
Released2025-07-092025-12-23
WeightsProprietaryOpen
Context window—205K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked4822

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Category by category

Coding Grok 4 leads

Grok 4: 49.9 (#44), MiniMax-M2.1: 40.1 (#132)

BenchmarkGrok 4MiniMax-M2.1
LMArena Coding14081421
Aider Polyglot79.6%—
LMArena WebDev—1384
WeirdML45.7%—
ALE-Bench—623.83

Agentic & Tool Use Grok 4 leads

Grok 4: 32.1 (#62), MiniMax-M2.1: 27.7 (#91)

BenchmarkGrok 4MiniMax-M2.1
Terminal-Bench27.2%36.6%
Berkeley Function Calling Leaderboard63%—
GDPval21.1%—
Cybench43%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—

Reasoning Grok 4 leads

Grok 4: 36.9 (#59), MiniMax-M2.1: 15.8 (#301)

BenchmarkGrok 4MiniMax-M2.1
LMArena Hard Prompts14091410
ARC-AGI-216%—
SimpleBench60.5%—
Kagi LLM Benchmark73.6%—
NYT Connections (extended)—11.2%
ARC-AGI-166.7%—
Chess Puzzles28%—
Epoch Capabilities Index146.46—
ForecastBench60.9—

Math Grok 4 leads

Grok 4: 46.5 (#58), MiniMax-M2.1: 35.6 (#142)

BenchmarkGrok 4MiniMax-M2.1
LMArena Math14221396
OTIS Mock AIME 2024-202584%—
Omni-MATH60.3%—
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.7 (#50), MiniMax-M2.1: 37.7 (#143)

BenchmarkGrok 4MiniMax-M2.1
LMArena Expert14171432
GPQA Diamond87%—
MMLU-Pro85.1%—
Confabulations12.4%—
Vectara Hallucination Rate—11.8%
GPQA (HELM)72.7%—

Multimodal Not comparable

Grok 4: 33.1 (#89), MiniMax-M2.1: —

BenchmarkGrok 4MiniMax-M2.1
LMArena Vision1211—
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 52.0 (#98), MiniMax-M2.1: 50.2 (#123)

BenchmarkGrok 4MiniMax-M2.1
LMArena Non-English14031378
LMArena Chinese14281430
LMArena French14181405
LMArena German14291380
LMArena Japanese13961287
LMArena Korean13761297
LMArena Russian14091386
LMArena Spanish14191396

Instruction Following Grok 4 leads

Grok 4: 79.4 (#4), MiniMax-M2.1: 74.0 (#108)

BenchmarkGrok 4MiniMax-M2.1
LMArena Instruction Following13871399
IFEval94.9%—

Long Context Grok 4 leads

Grok 4: 63.1 (#4), MiniMax-M2.1: 43.2 (#98)

BenchmarkGrok 4MiniMax-M2.1
LMArena Longer Query14091416
Fiction.LiveBench94.4%—

Writing & Preference Too close to call

Grok 4: 58.7 (#111), MiniMax-M2.1: 58.5 (#114)

BenchmarkGrok 4MiniMax-M2.1
LMArena Text14121392
LMArena Creative Writing13971362
LMArena Multi-Turn14161396
Short-Story Creative Writing76.9%—
WildBench79.7%—

Frequently asked questions

Is Grok 4 better than MiniMax-M2.1?

Grok 4 is the stronger model overall, scoring 47.8 to 38.4 on the Noometry Index.

Is Grok 4 or MiniMax-M2.1 better for coding?

Grok 4 scores higher on coding benchmarks: 49.9 versus 40.1 in the Noometry coding category.

How many benchmarks do Grok 4 and MiniMax-M2.1 share?

18 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and MiniMax-M2.1 has 22.

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