Model comparison

GPT-5 Pro vs Olmo 3.1 32b Think

GPT-5 Pro is the stronger model overall, scoring 46.4 to 37.9 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5 Pro OpenAI

46.4

Rank #64 Confirmed

Summary

  • The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 35.7.
  • Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

Side by side

GPT-5 Pro and Olmo 3.1 32b Think specifications
GPT-5 ProOlmo 3.1 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index46.437.9
Released2025-10-06—
WeightsProprietaryOpen
Context window400K—
Max output272K—
Input $ / M tokens$15—
Output $ / M tokens$120—
Results tracked1215

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Category by category

Coding GPT-5 Pro leads

GPT-5 Pro: 44.0 (#80), Olmo 3.1 32b Think: 37.7 (#189)

Coding benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
WeirdML60.4%—
LMArena Coding—1291
AlgoTune1.31—

Reasoning GPT-5 Pro leads

GPT-5 Pro: 38.9 (#62), Olmo 3.1 32b Think: 25.2 (#150)

Reasoning benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
ARC-AGI-218.3%—
SimpleBench61.6%—
Kagi LLM Benchmark76.8%—
ARC-AGI-170.2%—
EnigmaEval18.8%—
LMArena Hard Prompts—1272
Epoch Capabilities Index150.28—

Math GPT-5 Pro leads

GPT-5 Pro: 48.5 (#63), Olmo 3.1 32b Think: 36.3 (#168)

Math benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
FrontierMath (Tiers 1-3)55.8%—
FrontierMath Tier 419.5%—
LMArena Math—1305
FrontierMath Tier 4 (v1)14.6%—

Knowledge GPT-5 Pro leads

GPT-5 Pro: 56.7 (#42), Olmo 3.1 32b Think: 35.7 (#181)

Knowledge benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
Humanity's Last Exam31.6%—
LMArena Expert—1295

Multilingual Not comparable

GPT-5 Pro: —, Olmo 3.1 32b Think: 38.1 (#231)

Multilingual benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
LMArena Non-English—1209
LMArena Chinese—1242
LMArena French—1260
LMArena German—1262
LMArena Russian—1193
LMArena Spanish—1289

Instruction Following Not comparable

GPT-5 Pro: —, Olmo 3.1 32b Think: 65.6 (#218)

Instruction Following benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
LMArena Instruction Following—1247

Long Context Not comparable

GPT-5 Pro: —, Olmo 3.1 32b Think: 38.6 (#195)

Long Context benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
LMArena Longer Query—1272

Writing & Preference Not comparable

GPT-5 Pro: —, Olmo 3.1 32b Think: 46.2 (#220)

Writing & Preference benchmarks
BenchmarkGPT-5 ProOlmo 3.1 32b Think
LMArena Text—1272
LMArena Creative Writing—1226
LMArena Multi-Turn—1252

Frequently asked questions

Is GPT-5 Pro better than Olmo 3.1 32b Think?

GPT-5 Pro is the stronger model overall, scoring 46.4 to 37.9 on the Noometry Index.

Is GPT-5 Pro or Olmo 3.1 32b Think better for coding?

GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 37.7 in the Noometry coding category.

How many benchmarks do GPT-5 Pro and Olmo 3.1 32b Think share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Olmo 3.1 32b Think has 15.

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