Model comparison

Grok-3 mini vs Mistral Small 3.2

Grok-3 mini is the stronger model overall, scoring 41.2 to 31.2 on the Noometry Index.

Last verified . 4 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Mistral Small 3.2 Mistral AI

31.2

Rank #280 Confirmed

Summary

  • They share 4 benchmarks with published results for both. Grok-3 mini scores higher in 3 categories and Mistral Small 3.2 in 1 category; 4 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok-3 mini leads 46.4 to 26.7.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 77.8% for Grok-3 mini and 30.3% for Mistral Small 3.2.
  • Mistral Small 3.2 has downloadable open weights; the other is API-only.

Side by side

Grok-3 mini and Mistral Small 3.2 specifications
Grok-3 miniMistral Small 3.2
ProviderxAIMistral AI
Noometry Index41.231.2
Released2025-04-092025-06-20
WeightsProprietaryOpen
Context window—256K
Max output—16K
Input $ / M tokens—$0.0938
Output $ / M tokens—$0.25
Results tracked356

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Category by category

Coding Not comparable

Grok-3 mini: 40.8 (#131), Mistral Small 3.2: —

Coding benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
Aider Polyglot49.3%—
WeirdML42.6%—
LMArena Coding1379—

Reasoning Mistral Small 3.2 leads

Grok-3 mini: 13.6 (#334), Mistral Small 3.2: 18.1 (#287)

Reasoning benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
Kagi LLM Benchmark61.3%40.4%
Epoch Capabilities Index140.35131.74
ARC-AGI-20.4%—
ARC-AGI-116.5%—
Chess Puzzles—1%
LMArena Hard Prompts1375—

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), Mistral Small 3.2: 26.3 (#260)

Math benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
OTIS Mock AIME 2024-202577.8%30.3%
Omni-MATH31.8%—
LMArena Math1386—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.4 (#81), Mistral Small 3.2: 26.7 (#256)

Knowledge benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
GPQA Diamond76.3%49.1%
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—
LMArena Expert1395—

Multilingual Not comparable

Grok-3 mini: 48.1 (#145), Mistral Small 3.2: —

Multilingual benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
LMArena Non-English1352—
LMArena Chinese1387—
LMArena French1357—
LMArena German1349—
LMArena Japanese1342—
LMArena Korean1335—
LMArena Russian1353—
LMArena Spanish1381—

Instruction Following Not comparable

Grok-3 mini: 78.5 (#9), Mistral Small 3.2: —

Instruction Following benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
IFEval95.1%—
LMArena Instruction Following1357—

Long Context Not comparable

Grok-3 mini: 41.0 (#147), Mistral Small 3.2: —

Long Context benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
Fiction.LiveBench66.7%—
LMArena Longer Query1372—

Writing & Preference Grok-3 mini leads

Grok-3 mini: 52.5 (#169), Mistral Small 3.2: 45.0 (#224)

Writing & Preference benchmarks
BenchmarkGrok-3 miniMistral Small 3.2
LMArena Text1370—
LMArena Creative Writing1342—
Short-Story Creative Writing73.5%—
EQ-Bench Creative Writing—1255
WildBench65.1%—
LMArena Multi-Turn1355—

Frequently asked questions

Is Grok-3 mini better than Mistral Small 3.2?

Grok-3 mini is the stronger model overall, scoring 41.2 to 31.2 on the Noometry Index.

How many benchmarks do Grok-3 mini and Mistral Small 3.2 share?

4 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Mistral Small 3.2 has 6.

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