Model comparison

GPT-5.4 Pro vs Olmo 3 32b Think

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 38.7 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5.4 Pro OpenAI

58.9

Rank #18 Confirmed

Summary

  • The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 25.9.
  • Olmo 3 32b Think has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 Pro and Olmo 3 32b Think specifications
GPT-5.4 ProOlmo 3 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index58.938.7
Released2026-03-05—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked1614

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Category by category

Coding GPT-5.4 Pro leads

GPT-5.4 Pro: 43.2 (#90), Olmo 3 32b Think: 38.6 (#172)

Coding benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
WeirdML57.4%—
LMArena Coding—1319

Reasoning GPT-5.4 Pro leads

GPT-5.4 Pro: 70.7 (#13), Olmo 3 32b Think: 25.9 (#140)

Reasoning benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
LMArena Hard Prompts—1302
Epoch Capabilities Index158.93—

Math GPT-5.4 Pro leads

GPT-5.4 Pro: 72.4 (#22), Olmo 3 32b Think: 36.5 (#165)

Math benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
LMArena Math—1316
FrontierMath (Feb 2025 set)50%—
FrontierMath Tier 4 (v1)37.5%—

Knowledge GPT-5.4 Pro leads

GPT-5.4 Pro: 68.3 (#7), Olmo 3 32b Think: 35.0 (#190)

Knowledge benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—
LMArena Expert—1273

Multilingual Not comparable

GPT-5.4 Pro: —, Olmo 3 32b Think: 41.2 (#210)

Multilingual benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
LMArena Non-English—1255
LMArena Chinese—1300
LMArena French—1291
LMArena German—1290
LMArena Russian—1254

Instruction Following Not comparable

GPT-5.4 Pro: —, Olmo 3 32b Think: 67.2 (#198)

Instruction Following benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
LMArena Instruction Following—1275

Long Context Not comparable

GPT-5.4 Pro: —, Olmo 3 32b Think: 39.4 (#182)

Long Context benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
LMArena Longer Query—1296

Writing & Preference Not comparable

GPT-5.4 Pro: —, Olmo 3 32b Think: 49.1 (#193)

Writing & Preference benchmarks
BenchmarkGPT-5.4 ProOlmo 3 32b Think
LMArena Text—1300
LMArena Creative Writing—1256
LMArena Multi-Turn—1290

Frequently asked questions

Is GPT-5.4 Pro better than Olmo 3 32b Think?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 38.7 on the Noometry Index.

Is GPT-5.4 Pro or Olmo 3 32b Think better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 38.6 in the Noometry coding category.

How many benchmarks do GPT-5.4 Pro and Olmo 3 32b Think share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Olmo 3 32b Think has 14.

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