DeepSeek V3.2 (Thinking) vs o4-mini (high)

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

Quick Verdict

DeepSeek V3.2 (Thinking) wins overall with a score of 69 vs 65 (4 point difference).DeepSeek V3.2 (Thinking) wins 4 out of 4 categories.

Knowledge

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

84

o4-mini (high)

80.5

87
MMLU
82
85
GPQA
82
83
SuperGPQA
80
81
OpenBookQA
78

Coding

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

79

o4-mini (high)

74

79
HumanEval
74

Mathematics

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

86

o4-mini (high)

82

87
AIME 2023
83
89
AIME 2024
85
88
AIME 2025
84
83
HMMT Feb 2023
79
85
HMMT Feb 2024
81
84
HMMT Feb 2025
80
86
BRUMO 2025
82

Reasoning

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

82

o4-mini (high)

79

83
SimpleQA
80
81
MuSR
78

Frequently Asked Questions

Which is better, DeepSeek V3.2 (Thinking) or o4-mini (high)?

DeepSeek V3.2 (Thinking) scores higher overall with 69 vs 65, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.2 (Thinking) or o4-mini (high)?

DeepSeek V3.2 (Thinking) leads in knowledge tasks with an average score of 84 vs 80.5.

Which is better for coding, DeepSeek V3.2 (Thinking) or o4-mini (high)?

DeepSeek V3.2 (Thinking) leads in coding with an average score of 79 vs 74.

Which is better for math, DeepSeek V3.2 (Thinking) or o4-mini (high)?

DeepSeek V3.2 (Thinking) leads in math with an average score of 86 vs 82.

Which is better for reasoning, DeepSeek V3.2 (Thinking) or o4-mini (high)?

DeepSeek V3.2 (Thinking) leads in reasoning with an average score of 82 vs 79.