Model comparison

o3-mini vs Qwen3-4B

o3-mini is the stronger model overall, scoring 36.7 to 31.9 on the Noometry Index.

Last verified . 3 shared benchmarks.

o3-mini OpenAI

36.7

Rank #212 Confirmed

Qwen3-4B Alibaba (Qwen)

31.9

Rank #264 Confirmed

Summary

  • They share 3 benchmarks with published results for both. o3-mini scores higher in 2 categories and Qwen3-4B in 2 categories; 4 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where o3-mini leads 38.3 to 33.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 76.9% for o3-mini and 52.2% for Qwen3-4B.
  • Qwen3-4B has downloadable open weights; the other is API-only.

Side by side

o3-mini and Qwen3-4B specifications
o3-miniQwen3-4B
ProviderOpenAIAlibaba (Qwen)
Noometry Index36.731.9
Released2024-12-202025-04-29
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$1.10—
Output $ / M tokens$4.40—
Results tracked516

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Category by category

Coding Not comparable

o3-mini: 40.8 (#132), Qwen3-4B: —

Coding benchmarks
Benchmarko3-miniQwen3-4B
Aider Polyglot60.4%—
SciCode39.8%—
GSO1.3%—
WeirdML43.7%—
LiveBench Coding82.7%—
LMArena Coding1378—
CadEval54%—

Agentic & Tool Use o3-mini leads

o3-mini: 29.6 (#84), Qwen3-4B: 27.6 (#100)

Agentic & Tool Use benchmarks
Benchmarko3-miniQwen3-4B
Berkeley Function Calling Leaderboard—35.7%
Cybench22.5%—

Reasoning Qwen3-4B leads

o3-mini: 16.3 (#305), Qwen3-4B: 19.2 (#268)

Reasoning benchmarks
Benchmarko3-miniQwen3-4B
Chess Puzzles17%4%
ARC-AGI-23%—
SimpleBench22.8%—
ARC-AGI-134.5%—
CritPt0.3%—
LiveBench Reasoning89.6%—
LMArena Hard Prompts1366—
Mystery Game Puzzles7%—
DTBench68.8%—
LiveBench Data Analysis70.6%—
LMCA19%—
Epoch Capabilities Index140.34—
ForecastBench59.6—
LiveBench75.9%—

Math Qwen3-4B leads

o3-mini: 28.1 (#244), Qwen3-4B: 29.7 (#240)

Knowledge o3-mini leads

o3-mini: 38.3 (#146), Qwen3-4B: 33.0 (#208)

Knowledge benchmarks
Benchmarko3-miniQwen3-4B
GPQA Diamond77%52.3%
SimpleQA Verified15.3%—
Confabulations17.9%—
Vectara Hallucination Rate—5.7%
LMArena Expert1364—

Multilingual Not comparable

o3-mini: 45.7 (#164), Qwen3-4B: —

Multilingual benchmarks
Benchmarko3-miniQwen3-4B
LMArena Non-English1319—
LMArena Chinese1379—
LMArena French1334—
LMArena German1303—
LMArena Japanese1286—
LMArena Korean1314—
LMArena Russian1304—
LMArena Spanish1321—

Instruction Following Not comparable

o3-mini: 75.1 (#72), Qwen3-4B: —

Instruction Following benchmarks
Benchmarko3-miniQwen3-4B
LiveBench Instruction Following84.4%—
LMArena Instruction Following1337—

Long Context Not comparable

o3-mini: 33.8 (#256), Qwen3-4B: —

Long Context benchmarks
Benchmarko3-miniQwen3-4B
Fiction.LiveBench50%—
LMArena Longer Query1343—

Writing & Preference Not comparable

o3-mini: 50.3 (#182), Qwen3-4B: —

Writing & Preference benchmarks
Benchmarko3-miniQwen3-4B
LMArena Text1337—
LMArena Creative Writing1286—
Short-Story Creative Writing61.7%—
LMArena Multi-Turn1320—
LiveBench Language50.7%—

Frequently asked questions

Is o3-mini better than Qwen3-4B?

o3-mini is the stronger model overall, scoring 36.7 to 31.9 on the Noometry Index.

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

3 benchmarks have published results for both models. o3-mini has 51 scored results on Noometry and Qwen3-4B has 6.

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