DeepSeekMath V2 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 64 (8 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

DeepSeekMath V2

77.8

GPT-5 (high)

90

80
MMLU
93
79
GPQA
91
77
SuperGPQA
89
75
OpenBookQA
87

Coding

GPT-5 (high)

DeepSeekMath V2

72

GPT-5 (high)

85

72
HumanEval
85

Mathematics

GPT-5 (high)

DeepSeekMath V2

79

GPT-5 (high)

94

80
AIME 2023
95
82
AIME 2024
97
81
AIME 2025
96
76
HMMT Feb 2023
91
78
HMMT Feb 2024
93
77
HMMT Feb 2025
92
79
BRUMO 2025
94

Reasoning

GPT-5 (high)

DeepSeekMath V2

76

GPT-5 (high)

88

77
SimpleQA
89
75
MuSR
87

Frequently Asked Questions

Which is better, DeepSeekMath V2 or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 64, a difference of 8 points across all benchmarks.

Which is better for knowledge tasks, DeepSeekMath V2 or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 77.8.

Which is better for coding, DeepSeekMath V2 or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 72.

Which is better for math, DeepSeekMath V2 or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 79.

Which is better for reasoning, DeepSeekMath V2 or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 76.