DeepSeek V3.1 (Reasoning) vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 25 (43 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

DeepSeek V3.1 (Reasoning)

31.8

o3-pro

87.3

34
MMLU
88
33
GPQA
89
31
SuperGPQA
87
29
OpenBookQA
85

Coding

o3-pro

DeepSeek V3.1 (Reasoning)

26

o3-pro

80

26
HumanEval
80

Mathematics

o3-pro

DeepSeek V3.1 (Reasoning)

33

o3-pro

89

34
AIME 2023
90
36
AIME 2024
92
35
AIME 2025
91
30
HMMT Feb 2023
86
32
HMMT Feb 2024
88
31
HMMT Feb 2025
87
33
BRUMO 2025
89

Reasoning

o3-pro

DeepSeek V3.1 (Reasoning)

31

o3-pro

85

32
SimpleQA
86
30
MuSR
84

Frequently Asked Questions

Which is better, DeepSeek V3.1 (Reasoning) or o3-pro?

o3-pro scores higher overall with 68 vs 25, a difference of 43 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 (Reasoning) or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 31.8.

Which is better for coding, DeepSeek V3.1 (Reasoning) or o3-pro?

o3-pro leads in coding with an average score of 80 vs 26.

Which is better for math, DeepSeek V3.1 (Reasoning) or o3-pro?

o3-pro leads in math with an average score of 89 vs 33.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 31.