Claude Opus 4.5 vs DeepSeek LLM 2.0

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 63 (16 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

DeepSeek LLM 2.0

76.8

99
MMLU
79
97
GPQA
78
95
SuperGPQA
76
93
OpenBookQA
74

Coding

Claude Opus 4.5

Claude Opus 4.5

91

DeepSeek LLM 2.0

73

91
HumanEval
73

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

DeepSeek LLM 2.0

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

DeepSeek LLM 2.0

76

95
SimpleQA
77
93
MuSR
75

Frequently Asked Questions

Which is better, Claude Opus 4.5 or DeepSeek LLM 2.0?

Claude Opus 4.5 scores higher overall with 79 vs 63, a difference of 16 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or DeepSeek LLM 2.0?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 76.8.

Which is better for coding, Claude Opus 4.5 or DeepSeek LLM 2.0?

Claude Opus 4.5 leads in coding with an average score of 91 vs 73.

Which is better for math, Claude Opus 4.5 or DeepSeek LLM 2.0?

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 DeepSeek LLM 2.0?

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