DeepSeek V3.1 (Reasoning) vs GPT-4o

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 25 (31 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

DeepSeek V3.1 (Reasoning)

31.8

GPT-4o

64.5

34
MMLU
66
33
GPQA
66
31
SuperGPQA
64
29
OpenBookQA
62

Coding

GPT-4o

DeepSeek V3.1 (Reasoning)

26

GPT-4o

58

26
HumanEval
58

Mathematics

GPT-4o

DeepSeek V3.1 (Reasoning)

33

GPT-4o

65

34
AIME 2023
66
36
AIME 2024
68
35
AIME 2025
67
30
HMMT Feb 2023
62
32
HMMT Feb 2024
64
31
HMMT Feb 2025
63
33
BRUMO 2025
65

Reasoning

GPT-4o

DeepSeek V3.1 (Reasoning)

31

GPT-4o

63

32
SimpleQA
64
30
MuSR
62

Frequently Asked Questions

Which is better, DeepSeek V3.1 (Reasoning) or GPT-4o?

GPT-4o scores higher overall with 56 vs 25, a difference of 31 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 (Reasoning) or GPT-4o?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 31.8.

Which is better for coding, DeepSeek V3.1 (Reasoning) or GPT-4o?

GPT-4o leads in coding with an average score of 58 vs 26.

Which is better for math, DeepSeek V3.1 (Reasoning) or GPT-4o?

GPT-4o leads in math with an average score of 65 vs 33.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or GPT-4o?

GPT-4o leads in reasoning with an average score of 63 vs 31.