Model comparison

GPT-4.5 vs Qwen3 Coder Next

GPT-4.5 is the stronger model overall, scoring 37.2 to 34.3 on the Noometry Index.

Last verified . 1 shared benchmarks.

GPT-4.5 OpenAI

37.2

Rank #208 Confirmed

Qwen3 Coder Next Alibaba (Qwen)

34.3

Rank #232 Reported

Summary

  • They share 1 benchmark with published results for both. GPT-4.5 scores higher in 1 category and Qwen3 Coder Next in 1 category; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Qwen3 Coder Next leads 22.4 to 13.9.
  • Qwen3 Coder Next has downloadable open weights; the other is API-only.

Side by side

GPT-4.5 and Qwen3 Coder Next specifications
GPT-4.5Qwen3 Coder Next
ProviderOpenAIAlibaba (Qwen)
Noometry Index37.234.3
Released2025-02-272026-02-02
WeightsProprietaryOpen
Context window—262K
Max output—66K
Input $ / M tokens—$0.12
Output $ / M tokens—$0.80
Results tracked423

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Category by category

Coding GPT-4.5 leads

GPT-4.5: 42.2 (#109), Qwen3 Coder Next: 36.3 (#210)

Coding benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
WeirdML39.4%34.4%
Aider Polyglot44.9%—
SciCode—32.3%
LiveBench Coding75.2%—
LMArena Coding1396—

Agentic & Tool Use Not comparable

GPT-4.5: 27.9 (#97), Qwen3 Coder Next: —

Agentic & Tool Use benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
Cybench17.5%—

Reasoning Qwen3 Coder Next leads

GPT-4.5: 13.9 (#330), Qwen3 Coder Next: 22.4 (#196)

Reasoning benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
ARC-AGI-20.8%—
SimpleBench34.5%—
ARC-AGI-110.3%—
CritPt—0%
EnigmaEval3.2%—
LiveBench Reasoning71.1%—
LMArena Hard Prompts1403—
LiveBench Data Analysis64.3%—
Epoch Capabilities Index136.74—
ForecastBench61.7—
LiveBench69%—

Math Not comparable

GPT-4.5: 32.6 (#211), Qwen3 Coder Next: —

Math benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
OTIS Mock AIME 2024-202537.8%—
LiveBench Math69.3%—
LMArena Math1412—
MATH Level 578.6%—

Knowledge Not comparable

GPT-4.5: 32.5 (#211), Qwen3 Coder Next: —

Knowledge benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
GPQA Diamond68.7%—
Humanity's Last Exam5.4%—
Confabulations13.6%—
LMArena Expert1394—

Multimodal Not comparable

GPT-4.5: 37.6 (#71), Qwen3 Coder Next: —

Multimodal benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
LMArena Vision1195—
VPCT45%—

Multilingual Not comparable

GPT-4.5: 52.5 (#83), Qwen3 Coder Next: —

Multilingual benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
LMArena Non-English1413—
LMArena Chinese1421—
LMArena French1418—
LMArena German1457—
LMArena Japanese1416—
LMArena Korean1392—
LMArena Russian1419—

Instruction Following Not comparable

GPT-4.5: 72.6 (#134), Qwen3 Coder Next: —

Instruction Following benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
LiveBench Instruction Following72.3%—
LMArena Instruction Following1404—

Long Context Not comparable

GPT-4.5: 40.4 (#155), Qwen3 Coder Next: —

Long Context benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
Fiction.LiveBench63.9%—
LMArena Longer Query1406—

Writing & Preference Not comparable

GPT-4.5: 56.9 (#134), Qwen3 Coder Next: —

Writing & Preference benchmarks
BenchmarkGPT-4.5Qwen3 Coder Next
LMArena Text1417—
LMArena Creative Writing1394—
Short-Story Creative Writing75.6%—
EQ-Bench Creative Writing1258—
LMArena Multi-Turn1444—
LiveBench Language61.5%—

Frequently asked questions

Is GPT-4.5 better than Qwen3 Coder Next?

GPT-4.5 is the stronger model overall, scoring 37.2 to 34.3 on the Noometry Index.

Is GPT-4.5 or Qwen3 Coder Next better for coding?

GPT-4.5 scores higher on coding benchmarks: 42.2 versus 36.3 in the Noometry coding category.

How many benchmarks do GPT-4.5 and Qwen3 Coder Next share?

1 benchmark has published results for both models. GPT-4.5 has 42 scored results on Noometry and Qwen3 Coder Next has 3.

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