benchlm.ai

DeepSeek V3.1 vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 24 (48 point difference).GPT-5 (high) wins 4 out of 4 categories.

DeepSeek V3.1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score24

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Knowledge

GPT-5 (high)

DeepSeek V3.1

30.8

GPT-5 (high)

90

33
MMLU
93
32
GPQA
91
30
SuperGPQA
89
28
OpenBookQA
87

Coding

GPT-5 (high)

DeepSeek V3.1

25

GPT-5 (high)

85

25
HumanEval
85

Mathematics

GPT-5 (high)

DeepSeek V3.1

32

GPT-5 (high)

94

33
AIME 2023
95
35
AIME 2024
97
34
AIME 2025
96
29
HMMT Feb 2023
91
31
HMMT Feb 2024
93
30
HMMT Feb 2025
92
32
BRUMO 2025
94

Reasoning

GPT-5 (high)

DeepSeek V3.1

30

GPT-5 (high)

88

31
SimpleQA
89
29
MuSR
87

Frequently Asked Questions

Which is better, DeepSeek V3.1 or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 24, a difference of 48 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek V3.1 or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 30.8.

Which is better for coding, DeepSeek V3.1 or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 25.

Which is better for math, DeepSeek V3.1 or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 32.

Which is better for reasoning, DeepSeek V3.1 or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 30.

Related Comparisons

DeepSeek V3.1 vs GPT-5.4DeepSeek V3.1 vs Gemini 3.1 ProDeepSeek V3.1 vs Claude Opus 4.6DeepSeek V3.1 vs GPT-5.3 CodexDeepSeek V3.1 vs Grok 4.1DeepSeek V3.1 vs GPT-5.2