DeepSeek V3.1 (Reasoning) vs GPT-5.4

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

Quick Verdict

GPT-5.4 wins overall with a score of 88 vs 25 (63 point difference).GPT-5.4 wins 4 out of 4 categories.

Knowledge

GPT-5.4

DeepSeek V3.1 (Reasoning)

31.8

GPT-5.4

96

34
MMLU
99
33
GPQA
97
31
SuperGPQA
95
29
OpenBookQA
93

Coding

GPT-5.4

DeepSeek V3.1 (Reasoning)

26

GPT-5.4

91

26
HumanEval
91

Mathematics

GPT-5.4

DeepSeek V3.1 (Reasoning)

33

GPT-5.4

97.1

34
AIME 2023
99
36
AIME 2024
99
35
AIME 2025
98
30
HMMT Feb 2023
95
32
HMMT Feb 2024
97
31
HMMT Feb 2025
96
33
BRUMO 2025
96

Reasoning

GPT-5.4

DeepSeek V3.1 (Reasoning)

31

GPT-5.4

94

32
SimpleQA
95
30
MuSR
93

Frequently Asked Questions

Which is better, DeepSeek V3.1 (Reasoning) or GPT-5.4?

GPT-5.4 scores higher overall with 88 vs 25, a difference of 63 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 (Reasoning) or GPT-5.4?

GPT-5.4 leads in knowledge tasks with an average score of 96 vs 31.8.

Which is better for coding, DeepSeek V3.1 (Reasoning) or GPT-5.4?

GPT-5.4 leads in coding with an average score of 91 vs 26.

Which is better for math, DeepSeek V3.1 (Reasoning) or GPT-5.4?

GPT-5.4 leads in math with an average score of 97.1 vs 33.

Which is better for reasoning, DeepSeek V3.1 (Reasoning) or GPT-5.4?

GPT-5.4 leads in reasoning with an average score of 94 vs 31.