Claude Opus 4.5 vs DeepSeekMath V2

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 64 (15 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

DeepSeekMath V2

77.8

99
MMLU
80
97
GPQA
79
95
SuperGPQA
77
93
OpenBookQA
75

Coding

Claude Opus 4.5

Claude Opus 4.5

91

DeepSeekMath V2

72

91
HumanEval
72

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

DeepSeekMath V2

79

99
AIME 2023
80
99
AIME 2024
82
98
AIME 2025
81
95
HMMT Feb 2023
76
97
HMMT Feb 2024
78
96
HMMT Feb 2025
77
96
BRUMO 2025
79

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

DeepSeekMath V2

76

95
SimpleQA
77
93
MuSR
75

Frequently Asked Questions

Which is better, Claude Opus 4.5 or DeepSeekMath V2?

Claude Opus 4.5 scores higher overall with 79 vs 64, a difference of 15 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or DeepSeekMath V2?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 77.8.

Which is better for coding, Claude Opus 4.5 or DeepSeekMath V2?

Claude Opus 4.5 leads in coding with an average score of 91 vs 72.

Which is better for math, Claude Opus 4.5 or DeepSeekMath V2?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 79.

Which is better for reasoning, Claude Opus 4.5 or DeepSeekMath V2?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 76.