benchlm.ai

Claude 3.5 Sonnet vs Claude 3 Haiku

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 46 (9 point difference).Claude 3.5 Sonnet wins 4 out of 4 categories.

Claude 3.5 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score55

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

63.5

Claude 3 Haiku

54.5

65
MMLU
56
65
GPQA
56
63
SuperGPQA
54
61
OpenBookQA
52

Coding

Claude 3.5 Sonnet

Claude 3.5 Sonnet

57

Claude 3 Haiku

48

57
HumanEval
48

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

64

Claude 3 Haiku

55

65
AIME 2023
56
67
AIME 2024
58
66
AIME 2025
57
61
HMMT Feb 2023
52
63
HMMT Feb 2024
54
62
HMMT Feb 2025
53
64
BRUMO 2025
55

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

62

Claude 3 Haiku

53

63
SimpleQA
54
61
MuSR
52

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet scores higher overall with 55 vs 46, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet leads in knowledge tasks with an average score of 63.5 vs 54.5.

Which is better for coding, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet leads in coding with an average score of 57 vs 48.

Which is better for math, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet leads in math with an average score of 64 vs 55.

Which is better for reasoning, Claude 3.5 Sonnet or Claude 3 Haiku?

Claude 3.5 Sonnet leads in reasoning with an average score of 62 vs 53.

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