Noometry

Model comparison

GPT-4.5 vs Olmo 3.1 32b Think

GPT-4.5 and Olmo 3.1 32b Think score almost the same on the Noometry Index (36.9 vs 37.3), so choose on price, context window or the category you care about most.

Last verified . 14 shared benchmarks.

GPT-4.5 OpenAI

36.9

Rank #200 Confirmed

Olmo 3.1 32b Think Allen Institute for AI (Ai2)

37.3

Rank #191 Confirmed

Summary

  • They share 14 benchmarks with published results for both. GPT-4.5 scores higher in 5 categories and Olmo 3.1 32b Think in 3 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in multilingual, where GPT-4.5 leads 52.7 to 38.3.
  • Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

Side by side

GPT-4.5Olmo 3.1 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index36.937.3
Released2025-02-27—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked4215

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Category by category

Coding GPT-4.5 leads

GPT-4.5: 41.8 (#102), Olmo 3.1 32b Think: 37.1 (#186)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Coding13971292
Aider Polyglot44.9%—
WeirdML39.4%—
LiveBench Coding75.2%—

Agentic & Tool Use Not comparable

GPT-4.5: 27.6 (#92), Olmo 3.1 32b Think: —

BenchmarkGPT-4.5Olmo 3.1 32b Think
Cybench17.5%—

Reasoning Olmo 3.1 32b Think leads

GPT-4.5: 14.1 (#320), Olmo 3.1 32b Think: 24.1 (#151)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Hard Prompts14041272
ARC-AGI-20.8%—
SimpleBench34.5%—
ARC-AGI-110.3%—
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LiveBench Data Analysis64.3%—
Epoch Capabilities Index136.74—
ForecastBench61.7—
LiveBench69%—

Math Olmo 3.1 32b Think leads

GPT-4.5: 31.0 (#200), Olmo 3.1 32b Think: 33.6 (#170)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Math14121305
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—
MATH Level 578.6%—

Knowledge Olmo 3.1 32b Think leads

GPT-4.5: 32.4 (#205), Olmo 3.1 32b Think: 35.0 (#178)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Expert13941294
GPQA Diamond68.7%—
Humanity's Last Exam5.4%—
Confabulations13.6%—

Multimodal Not comparable

GPT-4.5: 37.0 (#68), Olmo 3.1 32b Think: —

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Vision1195—
VPCT45%—

Multilingual GPT-4.5 leads

GPT-4.5: 52.7 (#78), Olmo 3.1 32b Think: 38.3 (#226)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Non-English14131210
LMArena Chinese14211241
LMArena French14171262
LMArena German14571260
LMArena Russian14191193
LMArena Japanese1416—
LMArena Korean1392—
LMArena Spanish—1288

Instruction Following GPT-4.5 leads

GPT-4.5: 72.8 (#129), Olmo 3.1 32b Think: 65.8 (#213)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Instruction Following14041246
LiveBench Instruction Following72.3%—

Long Context GPT-4.5 leads

GPT-4.5: 40.4 (#150), Olmo 3.1 32b Think: 38.6 (#190)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Longer Query14061272
Fiction.LiveBench63.9%—

Writing & Preference GPT-4.5 leads

GPT-4.5: 57.1 (#129), Olmo 3.1 32b Think: 46.4 (#215)

BenchmarkGPT-4.5Olmo 3.1 32b Think
LMArena Text14171271
LMArena Creative Writing13941226
LMArena Multi-Turn14441252
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Olmo 3.1 32b Think?

GPT-4.5 and Olmo 3.1 32b Think score almost the same on the Noometry Index (36.9 vs 37.3), so choose on price, context window or the category you care about most.

Is GPT-4.5 or Olmo 3.1 32b Think better for coding?

GPT-4.5 scores higher on coding benchmarks: 41.8 versus 37.1 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Olmo 3.1 32b Think share?

14 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Olmo 3.1 32b Think has 15.

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