GPT-5.1-Codex-Max vs Qwen3 235B 2507

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

GPT-5.1-Codex-Max wins overall with a score of 77 vs 30 (47 point difference).GPT-5.1-Codex-Max wins 4 out of 4 categories.

Knowledge

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

95

Qwen3 235B 2507

36.8

98
MMLU
39
96
GPQA
38
94
SuperGPQA
36
92
OpenBookQA
34

Coding

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

94

Qwen3 235B 2507

31

94
HumanEval
31

Mathematics

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

97.1

Qwen3 235B 2507

38

99
AIME 2023
39
99
AIME 2024
41
98
AIME 2025
40
95
HMMT Feb 2023
35
97
HMMT Feb 2024
37
96
HMMT Feb 2025
36
96
BRUMO 2025
38

Reasoning

GPT-5.1-Codex-Max

GPT-5.1-Codex-Max

93

Qwen3 235B 2507

36

94
SimpleQA
37
92
MuSR
35

Frequently Asked Questions

Which is better, GPT-5.1-Codex-Max or Qwen3 235B 2507?

GPT-5.1-Codex-Max scores higher overall with 77 vs 30, a difference of 47 points across all benchmarks.

Which is better for knowledge tasks, GPT-5.1-Codex-Max or Qwen3 235B 2507?

GPT-5.1-Codex-Max leads in knowledge tasks with an average score of 95 vs 36.8.

Which is better for coding, GPT-5.1-Codex-Max or Qwen3 235B 2507?

GPT-5.1-Codex-Max leads in coding with an average score of 94 vs 31.

Which is better for math, GPT-5.1-Codex-Max or Qwen3 235B 2507?

GPT-5.1-Codex-Max leads in math with an average score of 97.1 vs 38.

Which is better for reasoning, GPT-5.1-Codex-Max or Qwen3 235B 2507?

GPT-5.1-Codex-Max leads in reasoning with an average score of 93 vs 36.