Claude 3 Haiku vs DeepSeek V3.1 (Reasoning)

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

Quick Verdict

Claude 3 Haiku wins overall with a score of 46 vs 25 (21 point difference).Claude 3 Haiku wins 4 out of 4 categories.

Knowledge

Claude 3 Haiku

Claude 3 Haiku

54.5

DeepSeek V3.1 (Reasoning)

31.8

56
MMLU
34
56
GPQA
33
54
SuperGPQA
31
52
OpenBookQA
29

Coding

Claude 3 Haiku

Claude 3 Haiku

48

DeepSeek V3.1 (Reasoning)

26

48
HumanEval
26

Mathematics

Claude 3 Haiku

Claude 3 Haiku

55

DeepSeek V3.1 (Reasoning)

33

56
AIME 2023
34
58
AIME 2024
36
57
AIME 2025
35
52
HMMT Feb 2023
30
54
HMMT Feb 2024
32
53
HMMT Feb 2025
31
55
BRUMO 2025
33

Reasoning

Claude 3 Haiku

Claude 3 Haiku

53

DeepSeek V3.1 (Reasoning)

31

54
SimpleQA
32
52
MuSR
30

Frequently Asked Questions

Which is better, Claude 3 Haiku or DeepSeek V3.1 (Reasoning)?

Claude 3 Haiku scores higher overall with 46 vs 25, a difference of 21 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or DeepSeek V3.1 (Reasoning)?

Claude 3 Haiku leads in knowledge tasks with an average score of 54.5 vs 31.8.

Which is better for coding, Claude 3 Haiku or DeepSeek V3.1 (Reasoning)?

Claude 3 Haiku leads in coding with an average score of 48 vs 26.

Which is better for math, Claude 3 Haiku or DeepSeek V3.1 (Reasoning)?

Claude 3 Haiku leads in math with an average score of 55 vs 33.

Which is better for reasoning, Claude 3 Haiku or DeepSeek V3.1 (Reasoning)?

Claude 3 Haiku leads in reasoning with an average score of 53 vs 31.