Model comparison

o3-pro vs Qwen1.5 4b Chat

o3-pro is the stronger model overall, scoring 42.7 to 28.3 on the Noometry Index.

Last verified . 0 shared benchmarks.

o3-pro OpenAI

42.7

Rank #94 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.3

Rank #319 Confirmed

Summary

  • The widest gap is in long context, where o3-pro leads 72.1 to 30.1.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

o3-pro and Qwen1.5 4b Chat specifications
o3-proQwen1.5 4b Chat
ProviderOpenAIAlibaba (Qwen)
Noometry Index42.728.3
Released2025-06-10—
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$20—
Output $ / M tokens$80—
Results tracked1213

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Category by category

Coding o3-pro leads

o3-pro: 55.1 (#22), Qwen1.5 4b Chat: 28.6 (#305)

Coding benchmarks
Benchmarko3-proQwen1.5 4b Chat
Aider Polyglot84.9%—
WeirdML58.2%—
LMArena Coding—999

Reasoning o3-pro leads

o3-pro: 24.1 (#152), Qwen1.5 4b Chat: 17.7 (#277)

Reasoning benchmarks
Benchmarko3-proQwen1.5 4b Chat
ARC-AGI-24.9%—
Kagi LLM Benchmark72.1%—
ARC-AGI-159.3%—
LMArena Hard Prompts—976
DTBench86.9%—
LMCA38.5%—
Epoch Capabilities Index147.43—

Math Not comparable

o3-pro: —, Qwen1.5 4b Chat: 27.9 (#233)

Math benchmarks
Benchmarko3-proQwen1.5 4b Chat
LMArena Math—1026

Knowledge o3-pro leads

o3-pro: 29.0 (#234), Qwen1.5 4b Chat: 26.2 (#252)

Knowledge benchmarks
Benchmarko3-proQwen1.5 4b Chat
Confabulations14.2%—
Vectara Hallucination Rate23.3%—
LMArena Expert—980

Multilingual Not comparable

o3-pro: —, Qwen1.5 4b Chat: 24.2 (#285)

Multilingual benchmarks
Benchmarko3-proQwen1.5 4b Chat
LMArena Non-English—979
LMArena Chinese—1024
LMArena German—902
LMArena Russian—952

Instruction Following Not comparable

o3-pro: —, Qwen1.5 4b Chat: 49.3 (#295)

Instruction Following benchmarks
Benchmarko3-proQwen1.5 4b Chat
LMArena Instruction Following—979

Long Context o3-pro leads

o3-pro: 72.1 (#1), Qwen1.5 4b Chat: 30.1 (#285)

Long Context benchmarks
Benchmarko3-proQwen1.5 4b Chat
Fiction.LiveBench97.2%—
LMArena Longer Query—988

Writing & Preference o3-pro leads

o3-pro: 57.1 (#128), Qwen1.5 4b Chat: 23.9 (#304)

Writing & Preference benchmarks
Benchmarko3-proQwen1.5 4b Chat
LMArena Text—997
LMArena Creative Writing—969
Short-Story Creative Writing84.4%—
LMArena Multi-Turn—977

Frequently asked questions

Is o3-pro better than Qwen1.5 4b Chat?

o3-pro is the stronger model overall, scoring 42.7 to 28.3 on the Noometry Index.

Is o3-pro or Qwen1.5 4b Chat better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 28.6 in the Noometry coding category.

How many benchmarks do o3-pro and Qwen1.5 4b Chat share?

0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Qwen1.5 4b Chat has 13.

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