Model comparison

GPT-5.4 Pro vs Olmo 3.1 32b Instruct

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.4 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 26.4.
  • Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

Side by side

GPT-5.4 Pro and Olmo 3.1 32b Instruct specifications
GPT-5.4 ProOlmo 3.1 32b Instruct
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index58.939.4
Released2026-03-05—
WeightsProprietaryOpen
Context window1.05M—
Max output128K—
Input $ / M tokens$30—
Output $ / M tokens$180—
Results tracked1616

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Category by category

Coding GPT-5.4 Pro leads

GPT-5.4 Pro: 43.2 (#90), Olmo 3.1 32b Instruct: 39.5 (#157)

Coding benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
WeirdML57.4%—
LMArena Coding—1347

Reasoning GPT-5.4 Pro leads

GPT-5.4 Pro: 70.7 (#13), Olmo 3.1 32b Instruct: 26.4 (#132)

Reasoning benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
ARC-AGI-283.3%—
SimpleBench74.1%—
ARC-AGI-194.5%—
CritPt30%—
Chess Puzzles58.6%—
EnigmaEval23.8%—
LMArena Hard Prompts—1322
Epoch Capabilities Index158.93—

Math GPT-5.4 Pro leads

GPT-5.4 Pro: 72.4 (#22), Olmo 3.1 32b Instruct: 36.3 (#167)

Math benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
FrontierMath (Tiers 1-3)82.5%—
FrontierMath Tier 458.5%—
LMArena Math—1305
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 3.1 32b Instruct: 36.1 (#175)

Knowledge benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
GPQA Diamond94.6%—
Humanity's Last Exam44.3%—
SimpleQA Verified46.3%—
Vectara Hallucination Rate8.3%—
LMArena Expert—1308

Multilingual Not comparable

GPT-5.4 Pro: —, Olmo 3.1 32b Instruct: 42.6 (#191)

Multilingual benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
LMArena Non-English—1275
LMArena Chinese—1304
LMArena French—1328
LMArena German—1282
LMArena Korean—1206
LMArena Russian—1268
LMArena Spanish—1336

Instruction Following Not comparable

GPT-5.4 Pro: —, Olmo 3.1 32b Instruct: 68.6 (#187)

Instruction Following benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
LMArena Instruction Following—1299

Long Context Not comparable

GPT-5.4 Pro: —, Olmo 3.1 32b Instruct: 39.9 (#166)

Long Context benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
LMArena Longer Query—1312

Writing & Preference Not comparable

GPT-5.4 Pro: —, Olmo 3.1 32b Instruct: 50.2 (#185)

Writing & Preference benchmarks
BenchmarkGPT-5.4 ProOlmo 3.1 32b Instruct
LMArena Text—1311
LMArena Creative Writing—1264
LMArena Multi-Turn—1309

Frequently asked questions

Is GPT-5.4 Pro better than Olmo 3.1 32b Instruct?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.4 on the Noometry Index.

Is GPT-5.4 Pro or Olmo 3.1 32b Instruct better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 39.5 in the Noometry coding category.

How many benchmarks do GPT-5.4 Pro and Olmo 3.1 32b Instruct share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Olmo 3.1 32b Instruct has 16.

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