Claude 4 Sonnet vs DeepSeek V3.1

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 24 (35 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

71.5

DeepSeek V3.1

30.8

73
MMLU
33
73
GPQA
32
71
SuperGPQA
30
69
OpenBookQA
28

Coding

Claude 4 Sonnet

Claude 4 Sonnet

65

DeepSeek V3.1

25

65
HumanEval
25

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

72

DeepSeek V3.1

32

73
AIME 2023
33
75
AIME 2024
35
74
AIME 2025
34
69
HMMT Feb 2023
29
71
HMMT Feb 2024
31
70
HMMT Feb 2025
30
72
BRUMO 2025
32

Reasoning

Claude 4 Sonnet

Claude 4 Sonnet

70

DeepSeek V3.1

30

71
SimpleQA
31
69
MuSR
29

Frequently Asked Questions

Which is better, Claude 4 Sonnet or DeepSeek V3.1?

Claude 4 Sonnet scores higher overall with 59 vs 24, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or DeepSeek V3.1?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 30.8.

Which is better for coding, Claude 4 Sonnet or DeepSeek V3.1?

Claude 4 Sonnet leads in coding with an average score of 65 vs 25.

Which is better for math, Claude 4 Sonnet or DeepSeek V3.1?

Claude 4 Sonnet leads in math with an average score of 72 vs 32.

Which is better for reasoning, Claude 4 Sonnet or DeepSeek V3.1?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 30.