Model comparison

GPT-5-Codex vs Qwen1.5-72B

GPT-5-Codex is the stronger model overall, scoring 37.9 to 30.8 on the Noometry Index.

Last verified . 0 shared benchmarks.

GPT-5-Codex OpenAI

37.9

Rank #192 Reported

Qwen1.5-72B Alibaba (Qwen)

30.8

Rank #285 Confirmed

Summary

  • The widest gap is in coding, where GPT-5-Codex leads 42.4 to 31.9.
  • Qwen1.5-72B has downloadable open weights; the other is API-only.

Side by side

GPT-5-Codex and Qwen1.5-72B specifications
GPT-5-CodexQwen1.5-72B
ProviderOpenAIAlibaba (Qwen)
Noometry Index37.930.8
Released2025-09-152024-02-04
WeightsProprietaryOpen
Context window400K—
Max output128K—
Input $ / M tokens$1.25—
Output $ / M tokens$10—
Results tracked322

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Category by category

Coding GPT-5-Codex leads

GPT-5-Codex: 42.4 (#103), Qwen1.5-72B: 31.9 (#277)

Coding benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
WeirdML54.5%—
BigCodeBench Instruct—33.2%
LMArena Coding—1165
BigCodeBench Complete—40.3%
HumanEval+—59.1%
MBPP+—61.6%

Agentic & Tool Use Not comparable

GPT-5-Codex: 31.0 (#72), Qwen1.5-72B: —

Agentic & Tool Use benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
Terminal-Bench44.3%—

Reasoning GPT-5-Codex leads

GPT-5-Codex: 30.9 (#83), Qwen1.5-72B: 22.2 (#203)

Reasoning benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
Kagi LLM Benchmark70.3%—
LMArena Hard Prompts—1148

Math Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 33.2 (#205)

Math benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
LMArena Math—1164

Knowledge Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 11.5 (#300)

Knowledge benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
GPQA Diamond—28.8%
LMArena Expert—1136

Multilingual Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 33.2 (#253)

Multilingual benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
LMArena Non-English—1135
LMArena Chinese—1186
LMArena French—1159
LMArena German—1084
LMArena Japanese—1061
LMArena Korean—1050
LMArena Russian—1104
LMArena Spanish—1110

Instruction Following Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 59.3 (#256)

Instruction Following benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
LMArena Instruction Following—1141

Long Context Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 35.1 (#243)

Long Context benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
LMArena Longer Query—1157

Writing & Preference Not comparable

GPT-5-Codex: —, Qwen1.5-72B: 37.3 (#258)

Writing & Preference benchmarks
BenchmarkGPT-5-CodexQwen1.5-72B
LMArena Text—1166
LMArena Creative Writing—1137
LMArena Multi-Turn—1160

Frequently asked questions

Is GPT-5-Codex better than Qwen1.5-72B?

GPT-5-Codex is the stronger model overall, scoring 37.9 to 30.8 on the Noometry Index.

Is GPT-5-Codex or Qwen1.5-72B better for coding?

GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 31.9 in the Noometry coding category.

How many benchmarks do GPT-5-Codex and Qwen1.5-72B share?

0 benchmarks have published results for both models. GPT-5-Codex has 3 scored results on Noometry and Qwen1.5-72B has 22.

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