Model comparison

Grok-3 mini vs Magistral Small

Grok-3 mini is the stronger model overall, scoring 41.2 to 30.2 on the Noometry Index.

Last verified . 6 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Magistral Small Mistral AI

30.2

Rank #296 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Grok-3 mini scores higher in 4 categories and Magistral Small in 0 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Grok-3 mini leads 42.1 to 26.2.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok-3 mini and 6.3% for Magistral Small.
  • Magistral Small has downloadable open weights; the other is API-only.

Side by side

Grok-3 mini and Magistral Small specifications
Grok-3 miniMagistral Small
ProviderxAIMistral AI
Noometry Index41.230.2
Released2025-04-092025-06-10
WeightsProprietaryOpen
Context window—128K
Max output—40K
Input $ / M tokens—$0.50
Output $ / M tokens—$1.50
Results tracked3510

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Grok-3 mini leads

Grok-3 mini: 40.8 (#131), Magistral Small: 38.4 (#176)

Coding benchmarks
BenchmarkGrok-3 miniMagistral Small
Aider Polyglot49.3%—
SciCode—35.2%
WeirdML42.6%—
LMArena Coding1379—

Reasoning Grok-3 mini leads

Grok-3 mini: 13.6 (#334), Magistral Small: 6.8 (#350)

Reasoning benchmarks
BenchmarkGrok-3 miniMagistral Small
ARC-AGI-20.4%0%
Kagi LLM Benchmark61.3%6.3%
ARC-AGI-116.5%5%
Epoch Capabilities Index140.35133.19
CritPt—0.3%
Chess Puzzles—3%
LMArena Hard Prompts1375—
DTBench—61.3%

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), Magistral Small: 26.2 (#261)

Math benchmarks
BenchmarkGrok-3 miniMagistral Small
OTIS Mock AIME 2024-202577.8%30%
Omni-MATH31.8%—
LMArena Math1386—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Grok-3 mini leads

Grok-3 mini: 46.4 (#81), Magistral Small: 30.9 (#223)

Knowledge benchmarks
BenchmarkGrok-3 miniMagistral Small
GPQA Diamond76.3%56.1%
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—
LMArena Expert1395—

Multilingual Not comparable

Grok-3 mini: 48.1 (#145), Magistral Small: —

Multilingual benchmarks
BenchmarkGrok-3 miniMagistral Small
LMArena Non-English1352—
LMArena Chinese1387—
LMArena French1357—
LMArena German1349—
LMArena Japanese1342—
LMArena Korean1335—
LMArena Russian1353—
LMArena Spanish1381—

Instruction Following Not comparable

Grok-3 mini: 78.5 (#9), Magistral Small: —

Instruction Following benchmarks
BenchmarkGrok-3 miniMagistral Small
IFEval95.1%—
LMArena Instruction Following1357—

Long Context Not comparable

Grok-3 mini: 41.0 (#147), Magistral Small: —

Long Context benchmarks
BenchmarkGrok-3 miniMagistral Small
Fiction.LiveBench66.7%—
LMArena Longer Query1372—

Writing & Preference Not comparable

Grok-3 mini: 52.5 (#169), Magistral Small: —

Writing & Preference benchmarks
BenchmarkGrok-3 miniMagistral Small
LMArena Text1370—
LMArena Creative Writing1342—
Short-Story Creative Writing73.5%—
WildBench65.1%—
LMArena Multi-Turn1355—

Frequently asked questions

Is Grok-3 mini better than Magistral Small?

Grok-3 mini is the stronger model overall, scoring 41.2 to 30.2 on the Noometry Index.

Is Grok-3 mini or Magistral Small better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 38.4 in the Noometry coding category.

How many benchmarks do Grok-3 mini and Magistral Small share?

6 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Magistral Small has 10.

Related comparisons

Go deeper