Model comparison

Grok-3 mini vs MiniMax-M2.1

Grok-3 mini is the stronger model overall, scoring 41.2 to 38.9 on the Noometry Index.

Last verified . 17 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

MiniMax-M2.1 MiniMax

38.9

Rank #178 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and MiniMax-M2.1 in 4 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok-3 mini leads 46.4 to 38.3.
  • MiniMax-M2.1 has downloadable open weights; the other is API-only.

Side by side

Grok-3 mini and MiniMax-M2.1 specifications
Grok-3 miniMiniMax-M2.1
ProviderxAIMiniMax
Noometry Index41.238.9
Released2025-04-092025-12-23
WeightsProprietaryOpen
Context window—205K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked3522

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Category by category

Coding Too close to call

Grok-3 mini: 40.8 (#131), MiniMax-M2.1: 40.4 (#143)

Coding benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Coding13791421
Aider Polyglot49.3%—
LMArena WebDev—1384
WeirdML42.6%—
ALE-Bench—623.83

Agentic & Tool Use Not comparable

Grok-3 mini: —, MiniMax-M2.1: 27.9 (#98)

Agentic & Tool Use benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
Terminal-Bench—36.6%

Reasoning MiniMax-M2.1 leads

Grok-3 mini: 13.6 (#334), MiniMax-M2.1: 16.6 (#302)

Reasoning benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Hard Prompts13751411
ARC-AGI-20.4%—
Kagi LLM Benchmark61.3%—
NYT Connections (extended)—11.2%
ARC-AGI-116.5%—
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), MiniMax-M2.1: 38.3 (#138)

Math benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Math13861397
OTIS Mock AIME 2024-202577.8%—
Omni-MATH31.8%—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.4 (#81), MiniMax-M2.1: 38.3 (#147)

Knowledge benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Expert13951431
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
Vectara Hallucination Rate—11.8%
GPQA (HELM)67.5%—

Multilingual MiniMax-M2.1 leads

Grok-3 mini: 48.1 (#145), MiniMax-M2.1: 50.0 (#128)

Multilingual benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Non-English13521378
LMArena Chinese13871430
LMArena French13571404
LMArena German13491381
LMArena Japanese13421287
LMArena Korean13351298
LMArena Russian13531387
LMArena Spanish13811397

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.5 (#9), MiniMax-M2.1: 73.8 (#112)

Instruction Following benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Instruction Following13571400
IFEval95.1%—

Long Context MiniMax-M2.1 leads

Grok-3 mini: 41.0 (#147), MiniMax-M2.1: 43.2 (#101)

Long Context benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Longer Query13721416
Fiction.LiveBench66.7%—

Writing & Preference MiniMax-M2.1 leads

Grok-3 mini: 52.5 (#169), MiniMax-M2.1: 58.3 (#120)

Writing & Preference benchmarks
BenchmarkGrok-3 miniMiniMax-M2.1
LMArena Text13701392
LMArena Creative Writing13421361
LMArena Multi-Turn13551396
Short-Story Creative Writing73.5%—
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than MiniMax-M2.1?

Grok-3 mini is the stronger model overall, scoring 41.2 to 38.9 on the Noometry Index.

Is Grok-3 mini or MiniMax-M2.1 better for coding?

They score almost the same on coding (40.8 vs 40.4); test both on your own repository before choosing.

How many benchmarks do Grok-3 mini and MiniMax-M2.1 share?

17 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and MiniMax-M2.1 has 22.

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