Model comparison

o3-pro vs Olmo 3 32b Think

o3-pro is the stronger model overall, scoring 42.9 to 38.7 on the Noometry Index.

Last verified . 0 shared benchmarks.

o3-pro OpenAI

42.9

Rank #105 Confirmed

Summary

  • The widest gap is in long context, where o3-pro leads 72.2 to 39.4.
  • Olmo 3 32b Think has downloadable open weights; the other is API-only.

Side by side

o3-pro and Olmo 3 32b Think specifications
o3-proOlmo 3 32b Think
ProviderOpenAIAllen Institute for AI (Ai2)
Noometry Index42.938.7
Released2025-06-10—
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$20—
Output $ / M tokens$80—
Results tracked1214

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Category by category

Coding o3-pro leads

o3-pro: 55.5 (#24), Olmo 3 32b Think: 38.6 (#172)

Coding benchmarks
Benchmarko3-proOlmo 3 32b Think
Aider Polyglot84.9%—
WeirdML58.2%—
LMArena Coding—1319

Reasoning Olmo 3 32b Think leads

o3-pro: 23.8 (#171), Olmo 3 32b Think: 25.9 (#140)

Reasoning benchmarks
Benchmarko3-proOlmo 3 32b Think
ARC-AGI-24.9%—
Kagi LLM Benchmark72.1%—
ARC-AGI-159.3%—
LMArena Hard Prompts—1302
DTBench86.9%—
LMCA38.5%—
Epoch Capabilities Index147.42—

Math Not comparable

o3-pro: —, Olmo 3 32b Think: 36.5 (#165)

Math benchmarks
Benchmarko3-proOlmo 3 32b Think
LMArena Math—1316

Knowledge Olmo 3 32b Think leads

o3-pro: 29.5 (#238), Olmo 3 32b Think: 35.0 (#190)

Knowledge benchmarks
Benchmarko3-proOlmo 3 32b Think
Confabulations14.2%—
Vectara Hallucination Rate23.3%—
LMArena Expert—1273

Multilingual Not comparable

o3-pro: —, Olmo 3 32b Think: 41.2 (#210)

Multilingual benchmarks
Benchmarko3-proOlmo 3 32b Think
LMArena Non-English—1255
LMArena Chinese—1300
LMArena French—1291
LMArena German—1290
LMArena Russian—1254

Instruction Following Not comparable

o3-pro: —, Olmo 3 32b Think: 67.2 (#198)

Instruction Following benchmarks
Benchmarko3-proOlmo 3 32b Think
LMArena Instruction Following—1275

Long Context o3-pro leads

o3-pro: 72.2 (#1), Olmo 3 32b Think: 39.4 (#182)

Long Context benchmarks
Benchmarko3-proOlmo 3 32b Think
Fiction.LiveBench97.2%—
LMArena Longer Query—1296

Writing & Preference o3-pro leads

o3-pro: 57.1 (#133), Olmo 3 32b Think: 49.1 (#193)

Writing & Preference benchmarks
Benchmarko3-proOlmo 3 32b Think
LMArena Text—1300
LMArena Creative Writing—1256
Short-Story Creative Writing84.4%—
LMArena Multi-Turn—1290

Frequently asked questions

Is o3-pro better than Olmo 3 32b Think?

o3-pro is the stronger model overall, scoring 42.9 to 38.7 on the Noometry Index.

Is o3-pro or Olmo 3 32b Think better for coding?

o3-pro scores higher on coding benchmarks: 55.5 versus 38.6 in the Noometry coding category.

How many benchmarks do o3-pro and Olmo 3 32b Think share?

0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Olmo 3 32b Think has 14.

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