Model comparison

Grok 3 vs MiniMax-M3

MiniMax-M3 is the stronger model overall, scoring 43.8 to 39.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

MiniMax-M3 MiniMax

43.8

Rank #85 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Grok 3 scores higher in 2 categories and MiniMax-M3 in 7 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where MiniMax-M3 leads 30.1 to 13.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 71.1% for MiniMax-M3.
  • MiniMax-M3 has downloadable open weights; the other is API-only.

Side by side

Grok 3 and MiniMax-M3 specifications
Grok 3MiniMax-M3
ProviderxAIMiniMax
Noometry Index39.943.8
Released2025-04-092026-06-01
WeightsProprietaryOpen
Context window—1M
Max output—512K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked4041

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Category by category

Coding Too close to call

Grok 3: 41.9 (#115), MiniMax-M3: 41.8 (#118)

Coding benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Coding14321469
FrontierCode—14.7%
Aider Polyglot53.3%—
LMArena WebDev—1482
SciCode—47.1%
WeirdML37.2%—
ALE-Bench—640.02

Agentic & Tool Use Grok 3 leads

Grok 3: 30.5 (#76), MiniMax-M3: 22.6 (#130)

Agentic & Tool Use benchmarks
BenchmarkGrok 3MiniMax-M3
APEX-Agents—37.7%
OSWorld 2.0—4.6%
BALROG29.5%—
GBAEval—0.9%
Vending-Bench 2—2,158

Reasoning MiniMax-M3 leads

Grok 3: 13.7 (#333), MiniMax-M3: 30.1 (#87)

Reasoning benchmarks
BenchmarkGrok 3MiniMax-M3
SimpleBench36.1%45.8%
LMArena Hard Prompts14341447
Epoch Capabilities Index138.33146.95
ARC-AGI-20%—
Kagi LLM Benchmark61.3%—
NYT Connections (extended)—65.1%
ARC-AGI-15.5%—
CritPt—3.7%
Chess Puzzles—14%
Mystery Game Puzzles—8%
DTBench—78.9%
LMCA—33.7%
Surface Evolver Bench—55%
ForecastBench—61.4

Math MiniMax-M3 leads

Grok 3: 38.0 (#145), MiniMax-M3: 40.0 (#95)

Math benchmarks
BenchmarkGrok 3MiniMax-M3
OTIS Mock AIME 2024-202555.6%71.1%
LMArena Math13911429
ProofBench—18%
Omni-MATH46.4%—
MATH Level 588.7%—
FrontierMath (Feb 2025 set)3.8%—
FrontierMath Tier 4 (v1)0%—

Knowledge MiniMax-M3 leads

Grok 3: 46.2 (#82), MiniMax-M3: 58.4 (#35)

Knowledge benchmarks
BenchmarkGrok 3MiniMax-M3
GPQA Diamond75.8%90.9%
LMArena Expert14211461
MMLU-Pro78.8%—
Confabulations14.2%—
Vectara Hallucination Rate5.8%—
GPQA (HELM)65%—

Multimodal Not comparable

Grok 3: —, MiniMax-M3: 40.2 (#51)

Multimodal benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Vision—1253
LMArena Document—1435

Multilingual Too close to call

Grok 3: 52.3 (#87), MiniMax-M3: 53.0 (#75)

Multilingual benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Non-English14101420
LMArena Chinese14481463
LMArena French14601447
LMArena German14311426
LMArena Japanese13871381
LMArena Korean13731372
LMArena Russian14161428
LMArena Spanish14171432

Instruction Following Too close to call

Grok 3: 75.0 (#73), MiniMax-M3: 75.5 (#62)

Instruction Following benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Instruction Following14091433
IFEval88.4%—

Long Context MiniMax-M3 leads

Grok 3: 38.7 (#192), MiniMax-M3: 44.2 (#72)

Long Context benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Longer Query14391445
Fiction.LiveBench58.3%—

Writing & Preference MiniMax-M3 leads

Grok 3: 55.8 (#141), MiniMax-M3: 62.1 (#83)

Writing & Preference benchmarks
BenchmarkGrok 3MiniMax-M3
LMArena Text14261433
LMArena Creative Writing14141404
LMArena Multi-Turn14251442
Short-Story Creative Writing76.4%—
EQ-Bench Creative Writing1186—
WildBench84.9%—
EQ-Bench 4—1150

Frequently asked questions

Is Grok 3 better than MiniMax-M3?

MiniMax-M3 is the stronger model overall, scoring 43.8 to 39.9 on the Noometry Index.

Is Grok 3 or MiniMax-M3 better for coding?

They score almost the same on coding (41.9 vs 41.8); test both on your own repository before choosing.

How many benchmarks do Grok 3 and MiniMax-M3 share?

21 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and MiniMax-M3 has 41.

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