DeepSeek V3.2 (Thinking) vs o3

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 67 (2 point difference).DeepSeek V3.2 (Thinking) wins 1 out of 4 categories.

Knowledge

o3

DeepSeek V3.2 (Thinking)

84

o3

85.3

87
MMLU
86
85
GPQA
87
83
SuperGPQA
85
81
OpenBookQA
83

Coding

DeepSeek V3.2 (Thinking)

DeepSeek V3.2 (Thinking)

79

o3

78

79
HumanEval
78

Mathematics

o3

DeepSeek V3.2 (Thinking)

86

o3

87

87
AIME 2023
88
89
AIME 2024
90
88
AIME 2025
89
83
HMMT Feb 2023
84
85
HMMT Feb 2024
86
84
HMMT Feb 2025
85
86
BRUMO 2025
87

Reasoning

o3

DeepSeek V3.2 (Thinking)

82

o3

83

83
SimpleQA
84
81
MuSR
82

Frequently Asked Questions

Which is better, DeepSeek V3.2 (Thinking) or o3?

DeepSeek V3.2 (Thinking) scores higher overall with 69 vs 67, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.2 (Thinking) or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 84.

Which is better for coding, DeepSeek V3.2 (Thinking) or o3?

DeepSeek V3.2 (Thinking) leads in coding with an average score of 79 vs 78.

Which is better for math, DeepSeek V3.2 (Thinking) or o3?

o3 leads in math with an average score of 87 vs 86.

Which is better for reasoning, DeepSeek V3.2 (Thinking) or o3?

o3 leads in reasoning with an average score of 83 vs 82.