GPT-5.2 Pro vs Qwen3 235B 2507 (Reasoning)

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

GPT-5.2 Pro is clearly ahead on the aggregate, 90 to 42. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.2 Pro's sharpest advantage is in coding, where it averages 84.8 against 22.8. The single biggest benchmark swing on the page is SWE-bench Verified, 83 to 16.

GPT-5.2 Pro gives you the larger context window at 400K, compared with 128K for Qwen3 235B 2507 (Reasoning).

Quick Verdict

Pick GPT-5.2 Pro if you want the stronger benchmark profile. Qwen3 235B 2507 (Reasoning) only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.

Agentic

GPT-5.2 Pro

GPT-5.2 Pro

85.9

Qwen3 235B 2507 (Reasoning)

45.9

88
Terminal-Bench 2.0
47
88
BrowseComp
48
82
OSWorld-Verified
43

Coding

GPT-5.2 Pro

GPT-5.2 Pro

84.8

Qwen3 235B 2507 (Reasoning)

22.8

93
HumanEval
32
83
SWE-bench Verified
16
81
LiveCodeBench
18
89
SWE-bench Pro
29

Multimodal & Grounded

GPT-5.2 Pro

GPT-5.2 Pro

96

Qwen3 235B 2507 (Reasoning)

42.1

96
MMMU-Pro
38
96
OfficeQA Pro
47

Reasoning

GPT-5.2 Pro

GPT-5.2 Pro

95.2

Qwen3 235B 2507 (Reasoning)

49

97
SimpleQA
38
95
MuSR
36
98
BBH
63
93
LongBench v2
58
95
MRCRv2
58

Knowledge

GPT-5.2 Pro

GPT-5.2 Pro

81.5

Qwen3 235B 2507 (Reasoning)

34.1

99
MMLU
40
99
GPQA
39
97
SuperGPQA
37
95
OpenBookQA
35
90
MMLU-Pro
51
44
HLE
6
93
FrontierScience
42

Instruction Following

GPT-5.2 Pro

GPT-5.2 Pro

95

Qwen3 235B 2507 (Reasoning)

68

95
IFEval
68

Multilingual

GPT-5.2 Pro

GPT-5.2 Pro

93.4

Qwen3 235B 2507 (Reasoning)

58.8

96
MGSM
62
92
MMLU-ProX
57

Mathematics

GPT-5.2 Pro

GPT-5.2 Pro

98.2

Qwen3 235B 2507 (Reasoning)

48.5

99
AIME 2023
40
99
AIME 2024
42
99
AIME 2025
41
96
HMMT Feb 2023
36
98
HMMT Feb 2024
38
97
HMMT Feb 2025
37
97
BRUMO 2025
39
99
MATH-500
60

Frequently Asked Questions

Which is better, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro is ahead overall, 90 to 42. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 83 and 16.

Which is better for knowledge tasks, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for knowledge tasks in this comparison, averaging 81.5 versus 34.1. Inside this category, GPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for coding in this comparison, averaging 84.8 versus 22.8. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for math, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for math in this comparison, averaging 98.2 versus 48.5. Inside this category, HMMT Feb 2023 is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for reasoning in this comparison, averaging 95.2 versus 49. Inside this category, SimpleQA is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for agentic tasks in this comparison, averaging 85.9 versus 45.9. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 96 versus 42.1. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for instruction following in this comparison, averaging 95 versus 68. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.2 Pro or Qwen3 235B 2507 (Reasoning)?

GPT-5.2 Pro has the edge for multilingual tasks in this comparison, averaging 93.4 versus 58.8. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 12, 2026

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