Model comparison

Grok 3 vs Mistral Small

Grok 3 is the stronger model overall, scoring 39.6 to 33.1 on the Noometry Index.

Last verified . 22 shared benchmarks.

Grok 3 xAI

39.6

Rank #150 Confirmed

Mistral Small Mistral AI

33.1

Rank #238 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Grok 3 scores higher in 7 categories and Mistral Small in 2 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok 3 leads 36.2 to 15.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 5.8% for Mistral Small.
  • Mistral Small has downloadable open weights; the other is API-only.

Side by side

Grok 3 and Mistral Small specifications
Grok 3Mistral Small
ProviderxAIMistral AI
Noometry Index39.633.1
Released2025-04-092024-02-26
WeightsProprietaryOpen
Context window—256K
Max output—256K
Input $ / M tokens—$0.15
Output $ / M tokens—$0.60
Results tracked4039

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Category by category

Coding Grok 3 leads

Grok 3: 41.5 (#113), Mistral Small: 33.5 (#242)

Coding benchmarks
BenchmarkGrok 3Mistral Small
LMArena Coding14321363
Aider Polyglot53.3%—
SciCode—26.5%
WeirdML37.2%—
BigCodeBench Instruct—36.1%
LiveBench Coding—36.2%
BigCodeBench Complete—46.6%
ALE-Bench—497.62

Agentic & Tool Use Grok 3 leads

Grok 3: 30.2 (#69), Mistral Small: 27.9 (#87)

Agentic & Tool Use benchmarks
BenchmarkGrok 3Mistral Small
Berkeley Function Calling Leaderboard—37.1%
BALROG29.5%—

Reasoning Mistral Small leads

Grok 3: 13.8 (#322), Mistral Small: 19.3 (#238)

Reasoning benchmarks
BenchmarkGrok 3Mistral Small
Kagi LLM Benchmark61.3%37.8%
LMArena Hard Prompts14331336
ARC-AGI-20%—
SimpleBench36.1%—
ARC-AGI-15.5%—
CritPt—0%
LiveBench Reasoning—44.8%
DTBench—70.9%
LiveBench Data Analysis—53.7%
LMCA—20.6%
Epoch Capabilities Index138.34—
LiveBench—44%

Math Grok 3 leads

Grok 3: 36.2 (#122), Mistral Small: 15.4 (#287)

Math benchmarks
BenchmarkGrok 3Mistral Small
OTIS Mock AIME 2024-202555.6%5.8%
LMArena Math13901341
MATH Level 588.7%46.8%
Omni-MATH46.4%—
LiveBench Math—39.9%
FrontierMath (Feb 2025 set)3.8%—
FrontierMath Tier 4 (v1)0%—

Knowledge Grok 3 leads

Grok 3: 46.0 (#76), Mistral Small: 30.9 (#214)

Knowledge benchmarks
BenchmarkGrok 3Mistral Small
GPQA Diamond75.8%47.5%
Vectara Hallucination Rate5.8%5.1%
LMArena Expert14201293
MMLU-Pro78.8%—
Confabulations14.2%—
GPQA (HELM)65%—
MMLU—68.7%

Multimodal Not comparable

Grok 3: —, Mistral Small: 32.9 (#91)

Multimodal benchmarks
BenchmarkGrok 3Mistral Small
LMArena Vision—1142

Multilingual Grok 3 leads

Grok 3: 52.5 (#81), Mistral Small: 45.7 (#164)

Multilingual benchmarks
BenchmarkGrok 3Mistral Small
LMArena Non-English14111315
LMArena Chinese14481342
LMArena French14601337
LMArena German14311341
LMArena Japanese13891275
LMArena Korean13741260
LMArena Russian14161324
LMArena Spanish14171346

Instruction Following Grok 3 leads

Grok 3: 75.2 (#69), Mistral Small: 66.6 (#204)

Instruction Following benchmarks
BenchmarkGrok 3Mistral Small
LMArena Instruction Following14091310
LiveBench Instruction Following—63.7%
IFEval88.4%—

Long Context Mistral Small leads

Grok 3: 38.7 (#187), Mistral Small: 40.4 (#151)

Long Context benchmarks
BenchmarkGrok 3Mistral Small
LMArena Longer Query14391327
Fiction.LiveBench58.3%—

Writing & Preference Grok 3 leads

Grok 3: 56.0 (#136), Mistral Small: 52.6 (#165)

Writing & Preference benchmarks
BenchmarkGrok 3Mistral Small
LMArena Text14261338
LMArena Creative Writing14141304
LMArena Multi-Turn14241344
Short-Story Creative Writing76.4%—
EQ-Bench Creative Writing1186—
WildBench84.9%—
LiveBench Language—30.5%

Frequently asked questions

Is Grok 3 better than Mistral Small?

Grok 3 is the stronger model overall, scoring 39.6 to 33.1 on the Noometry Index.

Is Grok 3 or Mistral Small better for coding?

Grok 3 scores higher on coding benchmarks: 41.5 versus 33.5 in the Noometry coding category.

How many benchmarks do Grok 3 and Mistral Small share?

22 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Mistral Small has 39.

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