benchlm.ai

Claude Haiku 4.5 vs DeepSeek-R1

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

Quick Verdict

Claude Haiku 4.5 wins overall with a score of 57 vs 35 (22 point difference).Claude Haiku 4.5 wins 4 out of 4 categories.

Claude Haiku 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score57

DeepSeek-R1

CreatorDeepSeek
TypeOpen Weight
Context128K
Score35

Knowledge

Claude Haiku 4.5

Claude Haiku 4.5

65.8

DeepSeek-R1

41.8

68
MMLU
44
67
GPQA
43
65
SuperGPQA
41
63
OpenBookQA
39

Coding

Claude Haiku 4.5

Claude Haiku 4.5

60

DeepSeek-R1

36

60
HumanEval
36

Mathematics

Claude Haiku 4.5

Claude Haiku 4.5

67

DeepSeek-R1

43

68
AIME 2023
44
70
AIME 2024
46
69
AIME 2025
45
64
HMMT Feb 2023
40
66
HMMT Feb 2024
42
65
HMMT Feb 2025
41
67
BRUMO 2025
43

Reasoning

Claude Haiku 4.5

Claude Haiku 4.5

64

DeepSeek-R1

41

65
SimpleQA
42
63
MuSR
40

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or DeepSeek-R1?

Claude Haiku 4.5 scores higher overall with 57 vs 35, a difference of 22 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or DeepSeek-R1?

Claude Haiku 4.5 leads in knowledge tasks with an average score of 65.8 vs 41.8.

Which is better for coding, Claude Haiku 4.5 or DeepSeek-R1?

Claude Haiku 4.5 leads in coding with an average score of 60 vs 36.

Which is better for math, Claude Haiku 4.5 or DeepSeek-R1?

Claude Haiku 4.5 leads in math with an average score of 67 vs 43.

Which is better for reasoning, Claude Haiku 4.5 or DeepSeek-R1?

Claude Haiku 4.5 leads in reasoning with an average score of 64 vs 41.

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