Model comparison

GPT-4.5 vs Qwen1.5 4b Chat

GPT-4.5 is the stronger model overall, scoring 37.2 to 28.8 on the Noometry Index.

Last verified . 13 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Qwen1.5 4b Chat Alibaba (Qwen)

28.8

Rank #322 Confirmed

Summary

  • They share 13 benchmarks with published results for both. GPT-4.5 scores higher in 7 categories and Qwen1.5 4b Chat in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where GPT-4.5 leads 56.9 to 23.8.
  • Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

Side by side

GPT-4.5 and Qwen1.5 4b Chat specifications
GPT-4.5Qwen1.5 4b Chat
ProviderOpenAIAlibaba (Qwen)
Noometry Index37.228.8
Released2025-02-27—
WeightsProprietaryOpen
Context window——
Max output——
Input $ / M tokens——
Output $ / M tokens——
Results tracked4213

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Category by category

Coding GPT-4.5 leads

GPT-4.5: 42.2 (#109), Qwen1.5 4b Chat: 29.1 (#308)

Coding benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Coding1396999
Aider Polyglot44.9%—
WeirdML39.4%—
LiveBench Coding75.2%—

Agentic & Tool Use Not comparable

GPT-4.5: 27.9 (#97), Qwen1.5 4b Chat: —

Agentic & Tool Use benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
Cybench17.5%—

Reasoning Qwen1.5 4b Chat leads

GPT-4.5: 13.9 (#330), Qwen1.5 4b Chat: 18.5 (#279)

Reasoning benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Hard Prompts1403976
ARC-AGI-20.8%—
SimpleBench34.5%—
ARC-AGI-110.3%—
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LiveBench Data Analysis64.3%—
Epoch Capabilities Index136.74—
ForecastBench61.7—
LiveBench69%—

Math GPT-4.5 leads

GPT-4.5: 32.6 (#211), Qwen1.5 4b Chat: 30.4 (#234)

Math benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Math14121026
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—
MATH Level 578.6%—

Knowledge GPT-4.5 leads

GPT-4.5: 32.5 (#211), Qwen1.5 4b Chat: 26.7 (#255)

Knowledge benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Expert1394980
GPQA Diamond68.7%—
Humanity's Last Exam5.4%—
Confabulations13.6%—

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Qwen1.5 4b Chat: —

Multimodal benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Vision1195—
VPCT45%—

Multilingual GPT-4.5 leads

GPT-4.5: 52.5 (#83), Qwen1.5 4b Chat: 24.1 (#290)

Multilingual benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Non-English1413979
LMArena Chinese14211024
LMArena German1457902
LMArena Russian1419952
LMArena French1418—
LMArena Japanese1416—
LMArena Korean1392—

Instruction Following GPT-4.5 leads

GPT-4.5: 72.6 (#134), Qwen1.5 4b Chat: 49.0 (#300)

Instruction Following benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Instruction Following1404978
LiveBench Instruction Following72.3%—

Long Context GPT-4.5 leads

GPT-4.5: 40.4 (#155), Qwen1.5 4b Chat: 30.1 (#290)

Long Context benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Longer Query1406988
Fiction.LiveBench63.9%—

Writing & Preference GPT-4.5 leads

GPT-4.5: 56.9 (#134), Qwen1.5 4b Chat: 23.8 (#309)

Writing & Preference benchmarks
BenchmarkGPT-4.5Qwen1.5 4b Chat
LMArena Text1417997
LMArena Creative Writing1394969
LMArena Multi-Turn1444977
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Qwen1.5 4b Chat?

GPT-4.5 is the stronger model overall, scoring 37.2 to 28.8 on the Noometry Index.

Is GPT-4.5 or Qwen1.5 4b Chat better for coding?

GPT-4.5 scores higher on coding benchmarks: 42.2 versus 29.1 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Qwen1.5 4b Chat has 13.

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