Model comparison

Grok-3 mini vs Olmo 3.1 32b Instruct

Grok-3 mini is the stronger model overall, scoring 41.0 to 38.8 on the Noometry Index.

Last verified . 16 shared benchmarks.

Grok-3 mini xAI

41.0

Rank #130 Confirmed

Summary

  • They share 16 benchmarks with published results for both. Grok-3 mini scores higher in 7 categories and Olmo 3.1 32b Instruct in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Olmo 3.1 32b Instruct leads 25.4 to 13.8.
  • Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

Side by side

Grok-3 mini and Olmo 3.1 32b Instruct specifications
Grok-3 miniOlmo 3.1 32b Instruct
ProviderxAIAllen Institute for AI (Ai2)
Noometry Index41.038.8
Released2025-04-09—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3516

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Category by category

Coding Grok-3 mini leads

Grok-3 mini: 40.4 (#126), Olmo 3.1 32b Instruct: 38.9 (#154)

Coding benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Coding13801346
Aider Polyglot49.3%—
WeirdML42.6%—

Reasoning Olmo 3.1 32b Instruct leads

Grok-3 mini: 13.8 (#323), Olmo 3.1 32b Instruct: 25.4 (#131)

Reasoning benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Hard Prompts13741322
ARC-AGI-20.4%—
Kagi LLM Benchmark61.3%—
ARC-AGI-116.5%—
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 40.3 (#78), Olmo 3.1 32b Instruct: 33.6 (#169)

Math benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Math13861305
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), Olmo 3.1 32b Instruct: 35.4 (#175)

Knowledge benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Expert13951307
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—

Multilingual Grok-3 mini leads

Grok-3 mini: 48.3 (#141), Olmo 3.1 32b Instruct: 42.8 (#185)

Multilingual benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Non-English13521275
LMArena Chinese13871304
LMArena French13571328
LMArena German13501283
LMArena Korean13361206
LMArena Russian13521268
LMArena Spanish13791337
LMArena Japanese1343—

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.7 (#8), Olmo 3.1 32b Instruct: 68.8 (#182)

Instruction Following benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Instruction Following13561298
IFEval95.1%—

Long Context Grok-3 mini leads

Grok-3 mini: 41.0 (#142), Olmo 3.1 32b Instruct: 39.9 (#161)

Long Context benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Longer Query13721312
Fiction.LiveBench66.7%—

Writing & Preference Grok-3 mini leads

Grok-3 mini: 52.7 (#163), Olmo 3.1 32b Instruct: 50.4 (#179)

Writing & Preference benchmarks
BenchmarkGrok-3 miniOlmo 3.1 32b Instruct
LMArena Text13701311
LMArena Creative Writing13421264
LMArena Multi-Turn13551309
Short-Story Creative Writing73.5%—
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Olmo 3.1 32b Instruct?

Grok-3 mini is the stronger model overall, scoring 41.0 to 38.8 on the Noometry Index.

Is Grok-3 mini or Olmo 3.1 32b Instruct better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.4 versus 38.9 in the Noometry coding category.

How many benchmarks do Grok-3 mini and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Olmo 3.1 32b Instruct has 16.

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