DeepSeek V3.2 vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 66 (6 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

DeepSeek V3.2

81.8

GPT-5 (high)

90

84
MMLU
93
83
GPQA
91
81
SuperGPQA
89
79
OpenBookQA
87

Coding

GPT-5 (high)

DeepSeek V3.2

76

GPT-5 (high)

85

76
HumanEval
85

Mathematics

GPT-5 (high)

DeepSeek V3.2

83

GPT-5 (high)

94

84
AIME 2023
95
86
AIME 2024
97
85
AIME 2025
96
80
HMMT Feb 2023
91
82
HMMT Feb 2024
93
81
HMMT Feb 2025
92
83
BRUMO 2025
94

Reasoning

GPT-5 (high)

DeepSeek V3.2

80

GPT-5 (high)

88

81
SimpleQA
89
79
MuSR
87

Frequently Asked Questions

Which is better, DeepSeek V3.2 or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 66, a difference of 6 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.2 or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 81.8.

Which is better for coding, DeepSeek V3.2 or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 76.

Which is better for math, DeepSeek V3.2 or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 83.

Which is better for reasoning, DeepSeek V3.2 or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 80.