Model comparison

o3-pro vs Qwen3-4B

o3-pro is the stronger model overall, scoring 42.9 to 31.9 on the Noometry Index.

Last verified . 1 shared benchmarks.

o3-pro OpenAI

42.9

Rank #105 Confirmed

Qwen3-4B Alibaba (Qwen)

31.9

Rank #264 Confirmed

Summary

  • They share 1 benchmark with published results for both. o3-pro scores higher in 1 category and Qwen3-4B in 1 category; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where o3-pro leads 23.8 to 19.2.
  • The biggest single-benchmark swing is Vectara Hallucination Rate: 23.3% for o3-pro and 5.7% for Qwen3-4B.
  • Qwen3-4B has downloadable open weights; the other is API-only.

Side by side

o3-pro and Qwen3-4B specifications
o3-proQwen3-4B
ProviderOpenAIAlibaba (Qwen)
Noometry Index42.931.9
Released2025-06-102025-04-29
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$20—
Output $ / M tokens$80—
Results tracked126

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Category by category

Coding Not comparable

o3-pro: 55.5 (#24), Qwen3-4B: —

Coding benchmarks
Benchmarko3-proQwen3-4B
Aider Polyglot84.9%—
WeirdML58.2%—

Agentic & Tool Use Not comparable

o3-pro: —, Qwen3-4B: 27.6 (#100)

Agentic & Tool Use benchmarks
Benchmarko3-proQwen3-4B
Berkeley Function Calling Leaderboard—35.7%

Reasoning o3-pro leads

o3-pro: 23.8 (#171), Qwen3-4B: 19.2 (#268)

Reasoning benchmarks
Benchmarko3-proQwen3-4B
ARC-AGI-24.9%—
Kagi LLM Benchmark72.1%—
ARC-AGI-159.3%—
Chess Puzzles—4%
DTBench86.9%—
LMCA38.5%—
Epoch Capabilities Index147.42—

Math Not comparable

o3-pro: —, Qwen3-4B: 29.7 (#240)

Math benchmarks
Benchmarko3-proQwen3-4B
MathArena Final-Answer Competitions—38.5%
OTIS Mock AIME 2024-2025—52.2%

Knowledge Qwen3-4B leads

o3-pro: 29.5 (#238), Qwen3-4B: 33.0 (#208)

Knowledge benchmarks
Benchmarko3-proQwen3-4B
Vectara Hallucination Rate23.3%5.7%
GPQA Diamond—52.3%
Confabulations14.2%—

Long Context Not comparable

o3-pro: 72.2 (#1), Qwen3-4B: —

Long Context benchmarks
Benchmarko3-proQwen3-4B
Fiction.LiveBench97.2%—

Writing & Preference Not comparable

o3-pro: 57.1 (#133), Qwen3-4B: —

Writing & Preference benchmarks
Benchmarko3-proQwen3-4B
Short-Story Creative Writing84.4%—

Frequently asked questions

Is o3-pro better than Qwen3-4B?

o3-pro is the stronger model overall, scoring 42.9 to 31.9 on the Noometry Index.

How many benchmarks do o3-pro and Qwen3-4B share?

1 benchmark has published results for both models. o3-pro has 12 scored results on Noometry and Qwen3-4B has 6.

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