Model comparison

Grok 4 vs Mistral Small

Grok 4 is the stronger model overall, scoring 48.1 to 33.4 on the Noometry Index.

Last verified . 22 shared benchmarks.

Grok 4 xAI

48.1

Rank #56 Confirmed

Mistral Small Mistral AI

33.4

Rank #243 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok 4 scores higher in 10 categories and Mistral Small in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 4 leads 48.4 to 16.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 84% for Grok 4 and 5.8% for Mistral Small.
  • Mistral Small has downloadable open weights; the other is API-only.

Side by side

Grok 4 and Mistral Small specifications
Grok 4Mistral Small
ProviderxAIMistral AI
Noometry Index48.133.4
Released2025-07-092024-02-26
WeightsProprietaryOpen
Context window—262K
Max output—256K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.60
Results tracked4839

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Category by category

Coding Grok 4 leads

Grok 4: 50.3 (#46), Mistral Small: 34.0 (#247)

Coding benchmarks
BenchmarkGrok 4Mistral Small
LMArena Coding14081362
Aider Polyglot79.6%—
SciCode—26.5%
WeirdML45.7%—
BigCodeBench Instruct—36.1%
LiveBench Coding—36.2%
BigCodeBench Complete—46.6%
ALE-Bench—497.62

Agentic & Tool Use Grok 4 leads

Grok 4: 32.3 (#68), Mistral Small: 28.1 (#93)

Agentic & Tool Use benchmarks
BenchmarkGrok 4Mistral Small
Berkeley Function Calling Leaderboard63%37.1%
Terminal-Bench27.2%—
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: 19.8 (#250)

Reasoning benchmarks
BenchmarkGrok 4Mistral Small
Kagi LLM Benchmark73.6%37.8%
LMArena Hard Prompts14091335
ARC-AGI-216%—
SimpleBench60.5%—
ARC-AGI-166.7%—
CritPt—0%
Chess Puzzles28%—
LiveBench Reasoning—44.8%
DTBench—70.9%
LiveBench Data Analysis—53.7%
LMCA—20.6%
Epoch Capabilities Index146.44—
ForecastBench60.9—
LiveBench—44%

Math Grok 4 leads

Grok 4: 48.4 (#64), Mistral Small: 16.4 (#293)

Math benchmarks
BenchmarkGrok 4Mistral Small
OTIS Mock AIME 2024-202584%5.8%
LMArena Math14221341
Omni-MATH60.3%—
LiveBench Math—39.9%
MATH Level 5—46.8%
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.8 (#55), Mistral Small: 31.0 (#222)

Knowledge benchmarks
BenchmarkGrok 4Mistral Small
GPQA Diamond87%47.5%
LMArena Expert14151291
MMLU-Pro85.1%—
Confabulations12.4%—
Vectara Hallucination Rate—5.1%
GPQA (HELM)72.7%—
MMLU—68.7%

Multimodal Too close to call

Grok 4: 33.7 (#94), Mistral Small: 33.5 (#96)

Multimodal benchmarks
BenchmarkGrok 4Mistral Small
LMArena Vision12101142
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 51.8 (#103), Mistral Small: 45.5 (#169)

Multilingual benchmarks
BenchmarkGrok 4Mistral Small
LMArena Non-English14031315
LMArena Chinese14271340
LMArena French14181337
LMArena German14291340
LMArena Japanese13941275
LMArena Korean13771259
LMArena Russian14101324
LMArena Spanish14201346

Instruction Following Grok 4 leads

Grok 4: 79.2 (#5), Mistral Small: 66.4 (#209)

Instruction Following benchmarks
BenchmarkGrok 4Mistral Small
LMArena Instruction Following13871310
LiveBench Instruction Following—63.7%
IFEval94.9%—

Long Context Grok 4 leads

Grok 4: 63.1 (#4), Mistral Small: 40.4 (#156)

Long Context benchmarks
BenchmarkGrok 4Mistral Small
LMArena Longer Query14091327
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 leads

Grok 4: 58.5 (#116), Mistral Small: 52.5 (#171)

Writing & Preference benchmarks
BenchmarkGrok 4Mistral Small
LMArena Text14111338
LMArena Creative Writing13971305
LMArena Multi-Turn14161344
Short-Story Creative Writing76.9%—
WildBench79.7%—
LiveBench Language—30.5%

Frequently asked questions

Is Grok 4 better than Mistral Small?

Grok 4 is the stronger model overall, scoring 48.1 to 33.4 on the Noometry Index.

Is Grok 4 or Mistral Small better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 34.0 in the Noometry coding category.

How many benchmarks do Grok 4 and Mistral Small share?

22 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Mistral Small has 39.

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