Noometry

Model comparison

Grok 4 vs Mistral Small 3.1

Grok 4 is the stronger model overall, scoring 48.1 to 31.7 on the Noometry Index.

Last verified . 27 shared benchmarks.

Grok 4 xAI

48.1

Rank #56 Confirmed

Mistral Small 3.1 Mistral AI

31.7

Rank #269 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Grok 4 scores higher in 9 categories and Mistral Small 3.1 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4 leads 48.4 to 14.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 84% for Grok 4 and 3.9% for Mistral Small 3.1.
  • Mistral Small 3.1 has downloadable open weights; the other is API-only.

Side by side

Grok 4Mistral Small 3.1
ProviderxAIMistral AI
Noometry Index48.131.7
Released2025-07-092025-03-17
WeightsProprietaryOpen
Context window—128K
Max output—102K
Input $ / M tokens—$0.35
Output $ / M tokens—$0.56
Results tracked4828

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Category by category

Coding Grok 4 leads

Grok 4: 50.3 (#46), Mistral Small 3.1: 38.3 (#179)

BenchmarkGrok 4Mistral Small 3.1
LMArena Coding14081309
Aider Polyglot79.6%—
WeirdML45.7%—

Agentic & Tool Use Not comparable

Grok 4: 32.3 (#68), Mistral Small 3.1: —

BenchmarkGrok 4Mistral Small 3.1
Terminal-Bench27.2%—
Berkeley Function Calling Leaderboard63%—
GDPval21.1%—
Cybench43%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—

Reasoning Grok 4 leads

Grok 4: 36.7 (#65), Mistral Small 3.1: 19.7 (#254)

BenchmarkGrok 4Mistral Small 3.1
Chess Puzzles28%1%
LMArena Hard Prompts14091278
Epoch Capabilities Index146.44127.48
ARC-AGI-216%—
SimpleBench60.5%—
Kagi LLM Benchmark73.6%—
ARC-AGI-166.7%—
ForecastBench60.9—

Math Grok 4 leads

Grok 4: 48.4 (#64), Mistral Small 3.1: 14.7 (#301)

BenchmarkGrok 4Mistral Small 3.1
OTIS Mock AIME 2024-202584%3.9%
Omni-MATH60.3%24.8%
LMArena Math14221262
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.8 (#55), Mistral Small 3.1: 22.6 (#271)

BenchmarkGrok 4Mistral Small 3.1
GPQA Diamond87%41.9%
MMLU-Pro85.1%61%
GPQA (HELM)72.7%39.2%
LMArena Expert14151257
Confabulations12.4%—

Multimodal Too close to call

Grok 4: 33.7 (#94), Mistral Small 3.1: 33.2 (#99)

BenchmarkGrok 4Mistral Small 3.1
LMArena Vision12101136
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 51.8 (#103), Mistral Small 3.1: 41.2 (#209)

BenchmarkGrok 4Mistral Small 3.1
LMArena Non-English14031255
LMArena Chinese14271253
LMArena French14181273
LMArena German14291266
LMArena Japanese13941208
LMArena Korean13771206
LMArena Russian14101263
LMArena Spanish14201283

Instruction Following Grok 4 leads

Grok 4: 79.2 (#5), Mistral Small 3.1: 63.6 (#230)

BenchmarkGrok 4Mistral Small 3.1
IFEval94.9%75%
LMArena Instruction Following13871264

Long Context Grok 4 leads

Grok 4: 63.1 (#4), Mistral Small 3.1: 39.5 (#178)

BenchmarkGrok 4Mistral Small 3.1
LMArena Longer Query14091299
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 leads

Grok 4: 58.5 (#116), Mistral Small 3.1: 37.0 (#259)

BenchmarkGrok 4Mistral Small 3.1
LMArena Text14111277
LMArena Creative Writing13971253
WildBench79.7%78.8%
LMArena Multi-Turn14161270
Short-Story Creative Writing76.9%—
EQ-Bench Creative Writing—761

Frequently asked questions

Is Grok 4 better than Mistral Small 3.1?

Grok 4 is the stronger model overall, scoring 48.1 to 31.7 on the Noometry Index.

Is Grok 4 or Mistral Small 3.1 better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 38.3 in the Noometry coding category.

How many benchmarks do Grok 4 and Mistral Small 3.1 share?

27 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Mistral Small 3.1 has 28.

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