Noometry

Model comparison

Grok 3 vs Mistral Large 3

Grok 3 and Mistral Large 3 score almost the same on the Noometry Index (39.9 vs 39.1), so choose on price, context window or the category you care about most.

Last verified . 20 shared benchmarks.

Grok 3 xAI

39.9

Rank #157 Confirmed

Mistral Large 3 Mistral AI

39.1

Rank #176 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Grok 3 scores higher in 3 categories and Mistral Large 3 in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 3 leads 46.2 to 36.0.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok 3 and 50.9% for Mistral Large 3.
  • Mistral Large 3 has downloadable open weights; the other is API-only.

Side by side

Grok 3Mistral Large 3
ProviderxAIMistral AI
Noometry Index39.939.1
Released2025-04-092025-12-02
WeightsProprietaryOpen
Context window—262K
Max output—8K
Input $ / M tokens—$0.25
Output $ / M tokens—$0.75
Results tracked4024

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Category by category

Coding Grok 3 leads

Grok 3: 41.9 (#115), Mistral Large 3: 34.4 (#237)

BenchmarkGrok 3Mistral Large 3
LMArena Coding14321448
Aider Polyglot53.3%—
LMArena WebDev—1230
WeirdML37.2%—

Agentic & Tool Use Not comparable

Grok 3: 30.5 (#76), Mistral Large 3: —

BenchmarkGrok 3Mistral Large 3
BALROG29.5%—

Reasoning Mistral Large 3 leads

Grok 3: 13.7 (#333), Mistral Large 3: 15.2 (#319)

BenchmarkGrok 3Mistral Large 3
Kagi LLM Benchmark61.3%50.9%
LMArena Hard Prompts14341429
ARC-AGI-20%—
SimpleBench36.1%—
NYT Connections (extended)—7.5%
ARC-AGI-15.5%—
Thematic Generalization—23%
Epoch Capabilities Index138.33—

Math Too close to call

Grok 3: 38.0 (#145), Mistral Large 3: 38.7 (#129)

BenchmarkGrok 3Mistral Large 3
LMArena Math13911414
OTIS Mock AIME 2024-202555.6%—
Omni-MATH46.4%—
MATH Level 588.7%—
FrontierMath (Feb 2025 set)3.8%—
FrontierMath Tier 4 (v1)0%—

Knowledge Grok 3 leads

Grok 3: 46.2 (#82), Mistral Large 3: 36.0 (#177)

BenchmarkGrok 3Mistral Large 3
Vectara Hallucination Rate5.8%14.5%
LMArena Expert14211421
GPQA Diamond75.8%—
MMLU-Pro78.8%—
Confabulations14.2%—
GPQA (HELM)65%—

Multimodal Not comparable

Grok 3: —, Mistral Large 3: 38.2 (#66)

BenchmarkGrok 3Mistral Large 3
LMArena Vision—1221

Multilingual Too close to call

Grok 3: 52.3 (#87), Mistral Large 3: 52.5 (#84)

BenchmarkGrok 3Mistral Large 3
LMArena Non-English14101413
LMArena Chinese14481447
LMArena French14601455
LMArena German14311437
LMArena Japanese13871394
LMArena Korean13731384
LMArena Russian14161411
LMArena Spanish14171440

Instruction Following Grok 3 leads

Grok 3: 75.0 (#73), Mistral Large 3: 74.0 (#108)

BenchmarkGrok 3Mistral Large 3
LMArena Instruction Following14091403
IFEval88.4%—

Long Context Mistral Large 3 leads

Grok 3: 38.7 (#192), Mistral Large 3: 43.1 (#105)

BenchmarkGrok 3Mistral Large 3
LMArena Longer Query14391413
Fiction.LiveBench58.3%—

Writing & Preference Mistral Large 3 leads

Grok 3: 55.8 (#141), Mistral Large 3: 60.0 (#101)

BenchmarkGrok 3Mistral Large 3
LMArena Text14261428
LMArena Creative Writing14141386
EQ-Bench Creative Writing11861412
LMArena Multi-Turn14251429
Short-Story Creative Writing76.4%—
WildBench84.9%—

Frequently asked questions

Is Grok 3 better than Mistral Large 3?

Grok 3 and Mistral Large 3 score almost the same on the Noometry Index (39.9 vs 39.1), so choose on price, context window or the category you care about most.

Is Grok 3 or Mistral Large 3 better for coding?

Grok 3 scores higher on coding benchmarks: 41.9 versus 34.4 in the Noometry coding category.

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

20 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Mistral Large 3 has 24.

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