benchlm.ai

Claude Sonnet 4.6 vs DeepSeek V3.1

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

Quick Verdict

Claude Sonnet 4.6 wins overall with a score of 80 vs 24 (56 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

DeepSeek V3.1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score24

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

96

DeepSeek V3.1

30.8

99
MMLU
33
97
GPQA
32
95
SuperGPQA
30
93
OpenBookQA
28

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

93

DeepSeek V3.1

25

93
HumanEval
25

Mathematics

Claude Sonnet 4.6

Claude Sonnet 4.6

97.1

DeepSeek V3.1

32

99
AIME 2023
33
99
AIME 2024
35
98
AIME 2025
34
95
HMMT Feb 2023
29
97
HMMT Feb 2024
31
96
HMMT Feb 2025
30
96
BRUMO 2025
32

Reasoning

Claude Sonnet 4.6

Claude Sonnet 4.6

94

DeepSeek V3.1

30

95
SimpleQA
31
93
MuSR
29

Frequently Asked Questions

Which is better, Claude Sonnet 4.6 or DeepSeek V3.1?

Claude Sonnet 4.6 scores higher overall with 80 vs 24, a difference of 56 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.6 or DeepSeek V3.1?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 30.8.

Which is better for coding, Claude Sonnet 4.6 or DeepSeek V3.1?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 25.

Which is better for math, Claude Sonnet 4.6 or DeepSeek V3.1?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 32.

Which is better for reasoning, Claude Sonnet 4.6 or DeepSeek V3.1?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 30.

Related Comparisons

Claude Sonnet 4.6 vs GPT-5.4Claude Sonnet 4.6 vs Gemini 3.1 ProClaude Sonnet 4.6 vs Claude Opus 4.6Claude Sonnet 4.6 vs GPT-5.3 CodexClaude Sonnet 4.6 vs Grok 4.1Claude Sonnet 4.6 vs GPT-5.2