benchlm.ai

Claude 3.5 Sonnet vs DeepSeek V3.1

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

Quick Verdict

Claude 3.5 Sonnet wins overall with a score of 55 vs 24 (31 point difference).Claude 3.5 Sonnet wins 4 out of 4 categories.

Claude 3.5 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score55

DeepSeek V3.1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score24

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

63.5

DeepSeek V3.1

30.8

65
MMLU
33
65
GPQA
32
63
SuperGPQA
30
61
OpenBookQA
28

Coding

Claude 3.5 Sonnet

Claude 3.5 Sonnet

57

DeepSeek V3.1

25

57
HumanEval
25

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

64

DeepSeek V3.1

32

65
AIME 2023
33
67
AIME 2024
35
66
AIME 2025
34
61
HMMT Feb 2023
29
63
HMMT Feb 2024
31
62
HMMT Feb 2025
30
64
BRUMO 2025
32

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

62

DeepSeek V3.1

30

63
SimpleQA
31
61
MuSR
29

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or DeepSeek V3.1?

Claude 3.5 Sonnet scores higher overall with 55 vs 24, a difference of 31 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or DeepSeek V3.1?

Claude 3.5 Sonnet leads in knowledge tasks with an average score of 63.5 vs 30.8.

Which is better for coding, Claude 3.5 Sonnet or DeepSeek V3.1?

Claude 3.5 Sonnet leads in coding with an average score of 57 vs 25.

Which is better for math, Claude 3.5 Sonnet or DeepSeek V3.1?

Claude 3.5 Sonnet leads in math with an average score of 64 vs 32.

Which is better for reasoning, Claude 3.5 Sonnet or DeepSeek V3.1?

Claude 3.5 Sonnet leads in reasoning with an average score of 62 vs 30.

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