Noometry

Model comparison

Grok 4 Fast vs Mistral Large

Grok 4 Fast is the stronger model overall, scoring 39.4 to 31.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Grok 4 Fast xAI

39.4

Rank #167 Confirmed

Mistral Large Mistral AI

31.9

Rank #263 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Grok 4 Fast scores higher in 8 categories and Mistral Large in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where Grok 4 Fast leads 63.2 to 38.3.
  • The biggest single-benchmark swing is DTBench: 82.7% for Grok 4 Fast and 65.1% for Mistral Large.
  • Mistral Large has downloadable open weights; the other is API-only.

Side by side

Grok 4 FastMistral Large
ProviderxAIMistral AI
Noometry Index39.431.9
Released2025-09-192024-02-26
WeightsProprietaryOpen
Context window—131K
Max output—16K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked3051

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Category by category

Coding Mistral Large leads

Grok 4 Fast: 32.5 (#271), Mistral Large: 34.3 (#240)

BenchmarkGrok 4 FastMistral Large
LMArena Coding14291277
LMArena WebDev1159—
SciCode—36.2%
WeirdML42.9%—
BigCodeBench Instruct—30%
LiveBench Coding—47.1%
BigCodeBench Complete—38.3%
ALE-Bench—264.7
HumanEval+—62.2%
MBPP+—59.5%

Agentic & Tool Use Too close to call

Grok 4 Fast: 29.5 (#86), Mistral Large: 28.6 (#89)

BenchmarkGrok 4 FastMistral Large
Berkeley Function Calling Leaderboard—38.4%
τ²-bench Banking15.7%—
Cybench30%—
LMArena Search1171—

Reasoning Grok 4 Fast leads

Grok 4 Fast: 22.2 (#201), Mistral Large: 15.8 (#310)

BenchmarkGrok 4 FastMistral Large
LMArena Hard Prompts14121257
DTBench82.7%65.1%
Epoch Capabilities Index144.2128.52
ForecastBench60.557.1
ARC-AGI-25.3%—
SimpleBench—22.5%
Kagi LLM Benchmark66.1%—
ARC-AGI-148.5%—
CritPt—0%
LiveBench Reasoning—43.5%
LiveBench Data Analysis—50.1%
LMCA—16.7%
LiveBench—48.4%

Math Grok 4 Fast leads

Grok 4 Fast: 38.9 (#123), Mistral Large: 18.2 (#291)

BenchmarkGrok 4 FastMistral Large
LMArena Math14191262
OTIS Mock AIME 2024-2025—8.5%
Omni-MATH—28.1%
LiveBench Math—42.5%
MATH Level 5—50.3%
FrontierMath (Feb 2025 set)—0.3%

Knowledge Grok 4 Fast leads

Grok 4 Fast: 32.0 (#214), Mistral Large: 30.1 (#230)

BenchmarkGrok 4 FastMistral Large
Vectara Hallucination Rate19.7%4.5%
LMArena Expert14111232
GPQA Diamond—51.3%
MMLU-Pro—59.9%
Confabulations—21.4%
GPQA (HELM)—43.5%
MMLU—80%

Multilingual Grok 4 Fast leads

Grok 4 Fast: 51.3 (#111), Mistral Large: 40.0 (#219)

BenchmarkGrok 4 FastMistral Large
LMArena Non-English13961237
LMArena Chinese14571240
LMArena French14311325
LMArena German13831254
LMArena Japanese13521188
LMArena Korean13571202
LMArena Russian13891257
LMArena Spanish14151268

Instruction Following Grok 4 Fast leads

Grok 4 Fast: 73.2 (#121), Mistral Large: 67.9 (#191)

BenchmarkGrok 4 FastMistral Large
LMArena Instruction Following13871249
LiveBench Instruction Following—67.9%
IFEval—87.7%

Long Context Grok 4 Fast leads

Grok 4 Fast: 63.2 (#3), Mistral Large: 38.3 (#199)

BenchmarkGrok 4 FastMistral Large
LMArena Longer Query14151261
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 Fast leads

Grok 4 Fast: 60.0 (#102), Mistral Large: 40.7 (#242)

BenchmarkGrok 4 FastMistral Large
LMArena Text14071266
LMArena Creative Writing13871243
LMArena Multi-Turn14141260
Short-Story Creative Writing—69%
EQ-Bench Creative Writing—985
WildBench—80.1%
LiveBench Language—39.4%

Frequently asked questions

Is Grok 4 Fast better than Mistral Large?

Grok 4 Fast is the stronger model overall, scoring 39.4 to 31.9 on the Noometry Index.

Is Grok 4 Fast or Mistral Large better for coding?

Mistral Large scores higher on coding benchmarks: 34.3 versus 32.5 in the Noometry coding category.

How many benchmarks do Grok 4 Fast and Mistral Large share?

21 benchmarks have published results for both models. Grok 4 Fast has 30 scored results on Noometry and Mistral Large has 51.

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