Noometry

Model comparison

Grok-3 mini vs Mistral Large 3

Grok-3 mini is the stronger model overall, scoring 41.0 to 38.6 on the Noometry Index.

Last verified . 18 shared benchmarks.

Grok-3 mini xAI

41.0

Rank #130 Confirmed

Mistral Large 3 Mistral AI

38.6

Rank #172 Confirmed

Summary

  • They share 18 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and Mistral Large 3 in 4 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok-3 mini leads 46.3 to 35.5.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok-3 mini and 50.9% for Mistral Large 3.
  • Mistral Large 3 has downloadable open weights; the other is API-only.

Side by side

Grok-3 miniMistral Large 3
ProviderxAIMistral AI
Noometry Index41.038.6
Released2025-04-092025-12-02
WeightsProprietaryOpen
Context window—262K
Max output—8K
Input $ / M tokens—$0.25
Output $ / M tokens—$0.75
Results tracked3524

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Category by category

Coding Grok-3 mini leads

Grok-3 mini: 40.4 (#126), Mistral Large 3: 34.1 (#230)

BenchmarkGrok-3 miniMistral Large 3
LMArena Coding13801447
Aider Polyglot49.3%—
LMArena WebDev—1230
WeirdML42.6%—

Reasoning Too close to call

Grok-3 mini: 13.8 (#323), Mistral Large 3: 14.6 (#314)

BenchmarkGrok-3 miniMistral Large 3
Kagi LLM Benchmark61.3%50.9%
LMArena Hard Prompts13741429
ARC-AGI-20.4%—
NYT Connections (extended)—7.5%
ARC-AGI-116.5%—
Thematic Generalization—23%
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 40.3 (#78), Mistral Large 3: 36.0 (#131)

BenchmarkGrok-3 miniMistral Large 3
LMArena Math13861415
OTIS Mock AIME 2024-202577.8%—
Omni-MATH31.8%—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.3 (#75), Mistral Large 3: 35.5 (#173)

BenchmarkGrok-3 miniMistral Large 3
LMArena Expert13951421
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
Vectara Hallucination Rate—14.5%
GPQA (HELM)67.5%—

Multimodal Not comparable

Grok-3 mini: —, Mistral Large 3: 37.6 (#65)

BenchmarkGrok-3 miniMistral Large 3
LMArena Vision—1222

Multilingual Mistral Large 3 leads

Grok-3 mini: 48.3 (#141), Mistral Large 3: 52.6 (#79)

BenchmarkGrok-3 miniMistral Large 3
LMArena Non-English13521412
LMArena Chinese13871448
LMArena French13571456
LMArena German13501438
LMArena Japanese13431399
LMArena Korean13361384
LMArena Russian13521412
LMArena Spanish13791437

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.7 (#8), Mistral Large 3: 74.1 (#104)

BenchmarkGrok-3 miniMistral Large 3
LMArena Instruction Following13561402
IFEval95.1%—

Long Context Mistral Large 3 leads

Grok-3 mini: 41.0 (#142), Mistral Large 3: 43.1 (#102)

BenchmarkGrok-3 miniMistral Large 3
LMArena Longer Query13721413
Fiction.LiveBench66.7%—

Writing & Preference Mistral Large 3 leads

Grok-3 mini: 52.7 (#163), Mistral Large 3: 60.2 (#100)

BenchmarkGrok-3 miniMistral Large 3
LMArena Text13701427
LMArena Creative Writing13421385
LMArena Multi-Turn13551429
Short-Story Creative Writing73.5%—
EQ-Bench Creative Writing—1412
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Mistral Large 3?

Grok-3 mini is the stronger model overall, scoring 41.0 to 38.6 on the Noometry Index.

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

Grok-3 mini scores higher on coding benchmarks: 40.4 versus 34.1 in the Noometry coding category.

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

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

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