Noometry

Model comparison

Grok 4.5 vs Olmo 3 32b Think

Grok 4.5 is the stronger model overall, scoring 55.0 to 38.7 on the Noometry Index.

Last verified . 14 shared benchmarks.

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Olmo 3 32b Think Allen Institute for AI (Ai2)

38.7

Rank #183 Confirmed

Summary

  • They share 14 benchmarks with published results for both. Grok 4.5 scores higher in 8 categories and Olmo 3 32b Think in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.5 leads 56.1 to 25.9.
  • Olmo 3 32b Think has downloadable open weights; the other is API-only.

Side by side

Grok 4.5Olmo 3 32b Think
ProviderxAIAllen Institute for AI (Ai2)
Noometry Index55.038.7
Released2026-07-08—
WeightsProprietaryOpen
Context window500K—
Max output500K—
Input $ / M tokens$2—
Output $ / M tokens$6—
Results tracked5214

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Category by category

Coding Grok 4.5 leads

Grok 4.5: 52.2 (#35), Olmo 3 32b Think: 38.6 (#172)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Coding14741319
DeepSWE53.8%—
FrontierCode42.4%—
LMArena WebDev1553—
SciCode54.1%—
WeirdML46.4%—
ALE-Bench1,309—

Agentic & Tool Use Not comparable

Grok 4.5: 44.4 (#17), Olmo 3 32b Think: —

BenchmarkGrok 4.5Olmo 3 32b Think
APEX-Agents56.2%—
τ²-bench Banking47.9%—
PostTrainBench23.4%—
GBAEval65.4%—
GDP.pdf14%—
LMArena Search1213—
Vending-Bench 23,887—

Reasoning Grok 4.5 leads

Grok 4.5: 56.1 (#25), Olmo 3 32b Think: 25.9 (#140)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Hard Prompts14621302
ARC-AGI-252.6%—
SimpleBench70%—
Kagi LLM Benchmark83.5%—
NYT Connections (extended)79.9%—
ARC-AGI-187.2%—
CritPt15.4%—
Chess Puzzles36%—
DTBench96.5%—
LMCA45.2%—
Surface Evolver Bench74.4%—
Epoch Capabilities Index153.92—

Math Grok 4.5 leads

Grok 4.5: 60.9 (#35), Olmo 3 32b Think: 36.5 (#165)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Math14591316
FrontierMath (Tiers 1-3)57.2%—
FrontierMath Tier 424.4%—
OTIS Mock AIME 2024-202597.8%—
ProofBench31%—

Knowledge Grok 4.5 leads

Grok 4.5: 62.3 (#24), Olmo 3 32b Think: 35.0 (#190)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Expert14661273
GPQA Diamond93.4%—
SimpleQA Verified48.3%—

Multimodal Not comparable

Grok 4.5: 37.6 (#72), Olmo 3 32b Think: —

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Vision1288—
Blueprint-Bench 227.3%—
Furniture Assembly22.5%—
LMArena Document1452—

Multilingual Grok 4.5 leads

Grok 4.5: 54.4 (#42), Olmo 3 32b Think: 41.2 (#210)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Non-English14401255
LMArena Chinese14961300
LMArena French14561291
LMArena German14461290
LMArena Russian14481254
LMArena Japanese1428—
LMArena Korean1404—
LMArena Spanish1450—

Instruction Following Grok 4.5 leads

Grok 4.5: 76.0 (#48), Olmo 3 32b Think: 67.2 (#198)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Instruction Following14461275

Long Context Grok 4.5 leads

Grok 4.5: 44.8 (#56), Olmo 3 32b Think: 39.4 (#182)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Longer Query14631296

Writing & Preference Grok 4.5 leads

Grok 4.5: 65.8 (#42), Olmo 3 32b Think: 49.1 (#193)

BenchmarkGrok 4.5Olmo 3 32b Think
LMArena Text14481300
LMArena Creative Writing14421256
LMArena Multi-Turn14561290
EQ-Bench Creative Writing1579—

Frequently asked questions

Is Grok 4.5 better than Olmo 3 32b Think?

Grok 4.5 is the stronger model overall, scoring 55.0 to 38.7 on the Noometry Index.

Is Grok 4.5 or Olmo 3 32b Think better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 38.6 in the Noometry coding category.

How many benchmarks do Grok 4.5 and Olmo 3 32b Think share?

14 benchmarks have published results for both models. Grok 4.5 has 52 scored results on Noometry and Olmo 3 32b Think has 14.

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