Noometry

Model comparison

Grok-3 mini vs Mistral Medium

Grok-3 mini is the stronger model overall, scoring 41.2 to 36.3 on the Noometry Index.

Last verified . 24 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Mistral Medium Mistral AI

36.3

Rank #218 Confirmed

Summary

  • They share 24 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and Mistral Medium in 4 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok-3 mini leads 46.4 to 25.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 77.8% for Grok-3 mini and 32.2% for Mistral Medium.
  • Mistral Medium has downloadable open weights; the other is API-only.

Side by side

Grok-3 miniMistral Medium
ProviderxAIMistral AI
Noometry Index41.236.3
Released2025-04-092023-12-11
WeightsProprietaryOpen
Context window—262K
Max output—262K
Input $ / M tokens—$1.50
Output $ / M tokens—$7.50
Results tracked3536

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Category by category

Coding Grok-3 mini leads

Grok-3 mini: 40.8 (#131), Mistral Medium: 34.2 (#243)

BenchmarkGrok-3 miniMistral Medium
WeirdML42.6%43.7%
LMArena Coding13791434
FrontierCode—8%
Aider Polyglot49.3%—
SciCode—40.2%
ALE-Bench—763.98

Agentic & Tool Use Not comparable

Grok-3 mini: —, Mistral Medium: 28.3 (#90)

BenchmarkGrok-3 miniMistral Medium
Berkeley Function Calling Leaderboard—37.7%

Reasoning Mistral Medium leads

Grok-3 mini: 13.6 (#334), Mistral Medium: 24.0 (#167)

BenchmarkGrok-3 miniMistral Medium
Kagi LLM Benchmark61.3%50%
LMArena Hard Prompts13751426
ARC-AGI-20.4%—
ARC-AGI-116.5%—
CritPt—0%
DTBench—75.5%
LMCA—26.1%
Surface Evolver Bench—26.9%
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), Mistral Medium: 28.1 (#245)

BenchmarkGrok-3 miniMistral Medium
OTIS Mock AIME 2024-202577.8%32.2%
LMArena Math13861408
MATH Level 590.9%81.6%
FrontierMath (Feb 2025 set)5.9%0.3%
ProofBench—9%
Omni-MATH31.8%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.4 (#81), Mistral Medium: 25.0 (#265)

BenchmarkGrok-3 miniMistral Medium
GPQA Diamond76.3%59.5%
LMArena Expert13951408
Humanity's Last Exam—4.5%
MMLU-Pro79.9%—
Confabulations10.8%—
Vectara Hallucination Rate—22.7%
GPQA (HELM)67.5%—

Multimodal Not comparable

Grok-3 mini: —, Mistral Medium: 35.3 (#88)

BenchmarkGrok-3 miniMistral Medium
LMArena Vision—1172

Multilingual Mistral Medium leads

Grok-3 mini: 48.1 (#145), Mistral Medium: 52.1 (#91)

BenchmarkGrok-3 miniMistral Medium
LMArena Non-English13521408
LMArena Chinese13871447
LMArena French13571459
LMArena German13491432
LMArena Japanese13421378
LMArena Korean13351380
LMArena Russian13531411
LMArena Spanish13811433

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.5 (#9), Mistral Medium: 73.7 (#116)

BenchmarkGrok-3 miniMistral Medium
LMArena Instruction Following13571398
IFEval95.1%—

Long Context Mistral Medium leads

Grok-3 mini: 41.0 (#147), Mistral Medium: 42.9 (#114)

BenchmarkGrok-3 miniMistral Medium
LMArena Longer Query13721406
Fiction.LiveBench66.7%—

Writing & Preference Mistral Medium leads

Grok-3 mini: 52.5 (#169), Mistral Medium: 60.0 (#103)

BenchmarkGrok-3 miniMistral Medium
LMArena Text13701424
LMArena Creative Writing13421391
Short-Story Creative Writing73.5%77.3%
LMArena Multi-Turn13551418
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Mistral Medium?

Grok-3 mini is the stronger model overall, scoring 41.2 to 36.3 on the Noometry Index.

Is Grok-3 mini or Mistral Medium better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 34.2 in the Noometry coding category.

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

24 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Mistral Medium has 36.

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