Model comparison

Grok-3 mini vs Olmo 7b Instruct

Grok-3 mini is the stronger model overall, scoring 41.2 to 30.3 on the Noometry Index.

Last verified . 10 shared benchmarks.

Grok-3 mini xAI

41.2

Rank #141 Confirmed

Summary

  • They share 10 benchmarks with published results for both. Grok-3 mini scores higher in 5 categories and Olmo 7b Instruct in 1 category; 6 gaps are clear of the uncertainty.
  • The widest gap is in instruction following, where Grok-3 mini leads 78.5 to 49.0.
  • Olmo 7b Instruct has downloadable open weights; the other is API-only.

Side by side

Grok-3 mini and Olmo 7b Instruct specifications
Grok-3 miniOlmo 7b Instruct
ProviderxAIAllen Institute for AI (Ai2)
Noometry Index41.230.3
Released2025-04-09—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked3510

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Category by category

Coding Grok-3 mini leads

Grok-3 mini: 40.8 (#131), Olmo 7b Instruct: 29.6 (#303)

Coding benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Coding13791016
Aider Polyglot49.3%—
WeirdML42.6%—

Reasoning Olmo 7b Instruct leads

Grok-3 mini: 13.6 (#334), Olmo 7b Instruct: 18.8 (#274)

Reasoning benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Hard Prompts1375993
ARC-AGI-20.4%—
Kagi LLM Benchmark61.3%—
ARC-AGI-116.5%—
Epoch Capabilities Index140.35—

Math Grok-3 mini leads

Grok-3 mini: 42.1 (#85), Olmo 7b Instruct: 30.2 (#237)

Math benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Math13861018
OTIS Mock AIME 2024-202577.8%—
Omni-MATH31.8%—
MATH Level 590.9%—
FrontierMath (Feb 2025 set)5.9%—

Knowledge Not comparable

Grok-3 mini: 46.4 (#81), Olmo 7b Instruct: —

Knowledge benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
GPQA Diamond76.3%—
MMLU-Pro79.9%—
Confabulations10.8%—
GPQA (HELM)67.5%—
LMArena Expert1395—

Multilingual Grok-3 mini leads

Grok-3 mini: 48.1 (#145), Olmo 7b Instruct: 24.0 (#291)

Multilingual benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Non-English1352977
LMArena Chinese13871014
LMArena Russian1353947
LMArena French1357—
LMArena German1349—
LMArena Japanese1342—
LMArena Korean1335—
LMArena Spanish1381—

Instruction Following Grok-3 mini leads

Grok-3 mini: 78.5 (#9), Olmo 7b Instruct: 49.0 (#301)

Instruction Following benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Instruction Following1357978
IFEval95.1%—

Long Context Not comparable

Grok-3 mini: 41.0 (#147), Olmo 7b Instruct: —

Long Context benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
Fiction.LiveBench66.7%—
LMArena Longer Query1372—

Writing & Preference Grok-3 mini leads

Grok-3 mini: 52.5 (#169), Olmo 7b Instruct: 25.8 (#303)

Writing & Preference benchmarks
BenchmarkGrok-3 miniOlmo 7b Instruct
LMArena Text13701032
LMArena Creative Writing1342990
LMArena Multi-Turn13551007
Short-Story Creative Writing73.5%—
WildBench65.1%—

Frequently asked questions

Is Grok-3 mini better than Olmo 7b Instruct?

Grok-3 mini is the stronger model overall, scoring 41.2 to 30.3 on the Noometry Index.

Is Grok-3 mini or Olmo 7b Instruct better for coding?

Grok-3 mini scores higher on coding benchmarks: 40.8 versus 29.6 in the Noometry coding category.

How many benchmarks do Grok-3 mini and Olmo 7b Instruct share?

10 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Olmo 7b Instruct has 10.

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