Noometry

Model comparison

Grok 4 vs MiniMax-M2.5

Grok 4 is the stronger model overall, scoring 48.1 to 38.3 on the Noometry Index.

Last verified . 22 shared benchmarks.

Grok 4 xAI

48.1

Rank #56 Confirmed

MiniMax-M2.5 MiniMax

38.3

Rank #188 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok 4 scores higher in 9 categories and MiniMax-M2.5 in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 leads 63.1 to 37.5.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 73.6% for Grok 4 and 55.2% for MiniMax-M2.5.
  • MiniMax-M2.5 has downloadable open weights; the other is API-only.

Side by side

Grok 4MiniMax-M2.5
ProviderxAIMiniMax
Noometry Index48.138.3
Released2025-07-092026-02-12
WeightsProprietaryOpen
Context window—205K
Max output—131K
Input $ / M tokens—$0.30
Output $ / M tokens—$1.20
Results tracked4833

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Category by category

Coding Grok 4 leads

Grok 4: 50.3 (#46), MiniMax-M2.5: 48.1 (#58)

BenchmarkGrok 4MiniMax-M2.5
LMArena Coding14081381
SWE-bench Verified (bash only)—75.8%
Aider Polyglot79.6%—
LMArena WebDev—1387
SWE-bench Multilingual—68.3%
WeirdML45.7%—
ALE-Bench—618.17

Agentic & Tool Use Grok 4 leads

Grok 4: 32.3 (#68), MiniMax-M2.5: 30.4 (#77)

BenchmarkGrok 4MiniMax-M2.5
Terminal-Bench27.2%42.7%
Berkeley Function Calling Leaderboard63%—
GDPval21.1%—
Cybench43%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—
Vending-Bench 2—-23.16

Reasoning Grok 4 leads

Grok 4: 36.7 (#65), MiniMax-M2.5: 17.5 (#292)

BenchmarkGrok 4MiniMax-M2.5
ARC-AGI-216%4.9%
Kagi LLM Benchmark73.6%55.2%
ARC-AGI-166.7%63.7%
LMArena Hard Prompts14091372
Epoch Capabilities Index146.44146.68
SimpleBench60.5%—
NYT Connections (extended)—16.8%
Chess Puzzles28%—
ForecastBench60.9—

Math Grok 4 leads

Grok 4: 48.4 (#64), MiniMax-M2.5: 26.9 (#253)

BenchmarkGrok 4MiniMax-M2.5
LMArena Math14221378
OTIS Mock AIME 2024-202584%—
ProofBench—4%
Omni-MATH60.3%—
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.8 (#55), MiniMax-M2.5: 39.2 (#135)

BenchmarkGrok 4MiniMax-M2.5
LMArena Expert14151379
GPQA Diamond87%—
MMLU-Pro85.1%—
Confabulations12.4%—
Vectara Hallucination Rate—9.1%
GPQA (HELM)72.7%—

Multimodal Not comparable

Grok 4: 33.7 (#94), MiniMax-M2.5: —

BenchmarkGrok 4MiniMax-M2.5
LMArena Vision1210—
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 51.8 (#103), MiniMax-M2.5: 47.1 (#152)

BenchmarkGrok 4MiniMax-M2.5
LMArena Non-English14031338
LMArena Chinese14271393
LMArena French14181362
LMArena German14291362
LMArena Japanese13941171
LMArena Korean13771232
LMArena Russian14101358
LMArena Spanish14201354

Instruction Following Grok 4 leads

Grok 4: 79.2 (#5), MiniMax-M2.5: 71.5 (#148)

BenchmarkGrok 4MiniMax-M2.5
LMArena Instruction Following13871353
IFEval94.9%—

Long Context Grok 4 leads

Grok 4: 63.1 (#4), MiniMax-M2.5: 37.5 (#216)

BenchmarkGrok 4MiniMax-M2.5
LMArena Longer Query14091366
Fiction.LiveBench94.4%—
CL-bench—11.4%
CL-bench Life—6.3%

Writing & Preference Grok 4 leads

Grok 4: 58.5 (#116), MiniMax-M2.5: 53.9 (#153)

BenchmarkGrok 4MiniMax-M2.5
LMArena Text14111359
LMArena Creative Writing13971331
LMArena Multi-Turn14161364
Short-Story Creative Writing76.9%—
EQ-Bench Creative Writing—1361
WildBench79.7%—

Frequently asked questions

Is Grok 4 better than MiniMax-M2.5?

Grok 4 is the stronger model overall, scoring 48.1 to 38.3 on the Noometry Index.

Is Grok 4 or MiniMax-M2.5 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 48.1 in the Noometry coding category.

How many benchmarks do Grok 4 and MiniMax-M2.5 share?

22 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and MiniMax-M2.5 has 33.

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