DeepSeekMath V2 vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 64 (3 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

DeepSeekMath V2

77.8

o3

85.3

80
MMLU
86
79
GPQA
87
77
SuperGPQA
85
75
OpenBookQA
83

Coding

o3

DeepSeekMath V2

72

o3

78

72
HumanEval
78

Mathematics

o3

DeepSeekMath V2

79

o3

87

80
AIME 2023
88
82
AIME 2024
90
81
AIME 2025
89
76
HMMT Feb 2023
84
78
HMMT Feb 2024
86
77
HMMT Feb 2025
85
79
BRUMO 2025
87

Reasoning

o3

DeepSeekMath V2

76

o3

83

77
SimpleQA
84
75
MuSR
82

Frequently Asked Questions

Which is better, DeepSeekMath V2 or o3?

o3 scores higher overall with 67 vs 64, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, DeepSeekMath V2 or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 77.8.

Which is better for coding, DeepSeekMath V2 or o3?

o3 leads in coding with an average score of 78 vs 72.

Which is better for math, DeepSeekMath V2 or o3?

o3 leads in math with an average score of 87 vs 79.

Which is better for reasoning, DeepSeekMath V2 or o3?

o3 leads in reasoning with an average score of 83 vs 76.