DeepSeek Coder 2.0 vs o1-preview

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

Quick Verdict

o1-preview wins overall with a score of 71 vs 64 (7 point difference).o1-preview wins 4 out of 4 categories.

Knowledge

o1-preview

DeepSeek Coder 2.0

77.8

o1-preview

89

80
MMLU
92
79
GPQA
90
77
SuperGPQA
88
75
OpenBookQA
86

Coding

o1-preview

DeepSeek Coder 2.0

82

o1-preview

86

82
HumanEval
86

Mathematics

o1-preview

DeepSeek Coder 2.0

80

o1-preview

93

81
AIME 2023
94
83
AIME 2024
96
82
AIME 2025
95
77
HMMT Feb 2023
90
79
HMMT Feb 2024
92
78
HMMT Feb 2025
91
80
BRUMO 2025
93

Reasoning

o1-preview

DeepSeek Coder 2.0

77

o1-preview

87

78
SimpleQA
88
76
MuSR
86

Frequently Asked Questions

Which is better, DeepSeek Coder 2.0 or o1-preview?

o1-preview scores higher overall with 71 vs 64, a difference of 7 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek Coder 2.0 or o1-preview?

o1-preview leads in knowledge tasks with an average score of 89 vs 77.8.

Which is better for coding, DeepSeek Coder 2.0 or o1-preview?

o1-preview leads in coding with an average score of 86 vs 82.

Which is better for math, DeepSeek Coder 2.0 or o1-preview?

o1-preview leads in math with an average score of 93 vs 80.

Which is better for reasoning, DeepSeek Coder 2.0 or o1-preview?

o1-preview leads in reasoning with an average score of 87 vs 77.