Model comparison

GPT-5 vs Qwen1.5-14B

GPT-5 is the stronger model overall, scoring 50.9 to 32.7 on the Noometry Index.

Last verified . 16 shared benchmarks.

GPT-5 OpenAI

50.9

Rank #45 Confirmed

Qwen1.5-14B Alibaba (Qwen)

32.7

Rank #253 Confirmed

Summary

  • They share 16 benchmarks with published results for both. GPT-5 scores higher in 8 categories and Qwen1.5-14B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in long context, where GPT-5 leads 69.5 to 33.7.
  • Qwen1.5-14B has downloadable open weights; the other is API-only.

Side by side

GPT-5 and Qwen1.5-14B specifications
GPT-5Qwen1.5-14B
ProviderOpenAIAlibaba (Qwen)
Noometry Index50.932.7
Released2025-08-072024-02-04
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.25—
Output $ / M tokens$10—
Results tracked6917

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Category by category

Coding GPT-5 leads

GPT-5: 50.3 (#47), Qwen1.5-14B: 33.1 (#263)

Coding benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Coding14361138
SWE-bench Verified73.6%—
SWE-bench Verified (bash only)65%—
Aider Polyglot88%—
LMArena WebDev1418—
SciCode42.9%—
GSO6.9%—
WeirdML60.7%—
ALE-Bench1,162—
AlgoTune1.67—

Agentic & Tool Use Not comparable

GPT-5: 33.1 (#56), Qwen1.5-14B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5Qwen1.5-14B
Terminal-Bench49.6%—
GDPval34.8%—
Remote Labor Index1.7%—
DeepResearch Bench49.6%—
BALROG32.8%—
LMArena Search1133—
METR Time Horizons69.6%—

Reasoning GPT-5 leads

GPT-5: 38.3 (#64), Qwen1.5-14B: 21.4 (#223)

Reasoning benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Hard Prompts14161113
ARC-AGI-29.9%—
SimpleBench56.7%—
Kagi LLM Benchmark72.7%—
ARC-AGI-165.7%—
CritPt12.6%—
Chess Puzzles37%—
EnigmaEval10.5%—
EBR-Bench12.7%—
Mystery Game Puzzles23%—
DTBench90.7%—
LMCA40%—
Epoch Capabilities Index150—
ForecastBench61.4—

Math GPT-5 leads

GPT-5: 55.0 (#44), Qwen1.5-14B: 32.4 (#215)

Math benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Math14071125
FrontierMath (Tiers 1-3)55.4%—
FrontierMath Tier 422%—
OTIS Mock AIME 2024-202591.4%—
ProofBench18%—
Omni-MATH64.7%—
MATH Level 598.1%—
FrontierMath (Feb 2025 set)32.4%—
FrontierMath Tier 4 (v1)12.5%—

Knowledge GPT-5 leads

GPT-5: 56.6 (#43), Qwen1.5-14B: 29.8 (#232)

Knowledge benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Expert14191094
GPQA Diamond86.2%—
Humanity's Last Exam25.3%—
SimpleQA Verified50.1%—
MMLU-Pro86.3%—
Confabulations10.3%—
Vectara Hallucination Rate14.7%—
GPQA (HELM)79.2%—
MMLU—68.6%

Multimodal Not comparable

GPT-5: 46.8 (#13), Qwen1.5-14B: —

Multimodal benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Vision1232—
GeoBench81%—
VPCT66%—

Multilingual GPT-5 leads

GPT-5: 51.4 (#110), Qwen1.5-14B: 30.7 (#262)

Multilingual benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Non-English13971095
LMArena Chinese14221147
LMArena French14101116
LMArena German14161043
LMArena Japanese14091019
LMArena Russian14061046
LMArena Spanish13991085
LMArena Korean1360—

Instruction Following GPT-5 leads

GPT-5: 73.8 (#113), Qwen1.5-14B: 56.8 (#271)

Instruction Following benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Instruction Following13881102
IFEval87.5%—

Long Context GPT-5 leads

GPT-5: 69.5 (#2), Qwen1.5-14B: 33.7 (#257)

Long Context benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Longer Query13991113
Fiction.LiveBench97.2%—

Writing & Preference GPT-5 leads

GPT-5: 63.4 (#65), Qwen1.5-14B: 33.6 (#276)

Writing & Preference benchmarks
BenchmarkGPT-5Qwen1.5-14B
LMArena Text14061128
LMArena Creative Writing13651091
LMArena Multi-Turn14261110
Short-Story Creative Writing86%—
EQ-Bench Creative Writing1627—
WildBench85.7%—

Frequently asked questions

Is GPT-5 better than Qwen1.5-14B?

GPT-5 is the stronger model overall, scoring 50.9 to 32.7 on the Noometry Index.

Is GPT-5 or Qwen1.5-14B better for coding?

GPT-5 scores higher on coding benchmarks: 50.3 versus 33.1 in the Noometry coding category.

How many benchmarks do GPT-5 and Qwen1.5-14B share?

16 benchmarks have published results for both models. GPT-5 has 69 scored results on Noometry and Qwen1.5-14B has 17.

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