Model comparison

Grok-3 mini vs Mistral Medium 3.1

Grok-3 mini is the stronger model overall, scoring 41.0 to 31.5 on the Noometry Index.

Last verified . 0 shared benchmarks.

Grok-3 mini xAI

41.0

Rank #130 Confirmed

Mistral Medium 3.1 Mistral AI

31.5

Rank #260 Reported

Summary

  • The widest gap is in reasoning, where Grok-3 mini leads 13.8 to 10.1.

Side by side

Grok-3 mini and Mistral Medium 3.1 specifications
Grok-3 miniMistral Medium 3.1
ProviderxAIMistral AI
Noometry Index41.031.5
Released2025-04-09—
WeightsProprietaryProprietary
Context window—131K
Max output—105K
Input $ / M tokens—$0.40
Output $ / M tokens—$2
Results tracked353

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Category by category

Coding Not comparable

Grok-3 mini: 40.4 (#126), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
Aider Polyglot49.3%—
WeirdML42.6%—
LMArena Coding1380—

Reasoning Grok-3 mini leads

Grok-3 mini: 13.8 (#323), Mistral Medium 3.1: 10.1 (#336)

Reasoning benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
ARC-AGI-20.4%—
Kagi LLM Benchmark61.3%—
NYT Connections (extended)—6.5%
ARC-AGI-116.5%—
Thematic Generalization—20.3%
LMArena Hard Prompts1374—
Epoch Capabilities Index140.35—

Math Not comparable

Grok-3 mini: 40.3 (#78), Mistral Medium 3.1: —

Math benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
OTIS Mock AIME 2024-202577.8%—
Omni-MATH31.8%—
LMArena Math1386—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Not comparable

Grok-3 mini: 46.3 (#75), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—
LMArena Expert1395—

Multilingual Not comparable

Grok-3 mini: 48.3 (#141), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
LMArena Non-English1352—
LMArena Chinese1387—
LMArena French1357—
LMArena German1350—
LMArena Japanese1343—
LMArena Korean1336—
LMArena Russian1352—
LMArena Spanish1379—

Instruction Following Not comparable

Grok-3 mini: 78.7 (#8), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
IFEval95.1%—
LMArena Instruction Following1356—

Long Context Not comparable

Grok-3 mini: 41.0 (#142), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
Fiction.LiveBench66.7%—
LMArena Longer Query1372—

Writing & Preference Mistral Medium 3.1 leads

Grok-3 mini: 52.7 (#163), Mistral Medium 3.1: 55.6 (#140)

Writing & Preference benchmarks
BenchmarkGrok-3 miniMistral Medium 3.1
LMArena Text1370—
LMArena Creative Writing1342—
Short-Story Creative Writing73.5%—
EQ-Bench Creative Writing—1476
WildBench65.1%—
LMArena Multi-Turn1355—

Frequently asked questions

Is Grok-3 mini better than Mistral Medium 3.1?

Grok-3 mini is the stronger model overall, scoring 41.0 to 31.5 on the Noometry Index.

How many benchmarks do Grok-3 mini and Mistral Medium 3.1 share?

0 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Mistral Medium 3.1 has 3.

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