benchlm.ai

Claude 3 Haiku vs Claude Sonnet 4.6

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 46 (34 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

Knowledge

Claude Sonnet 4.6

Claude 3 Haiku

54.5

Claude Sonnet 4.6

96

56
MMLU
99
56
GPQA
97
54
SuperGPQA
95
52
OpenBookQA
93

Coding

Claude Sonnet 4.6

Claude 3 Haiku

48

Claude Sonnet 4.6

93

48
HumanEval
93

Mathematics

Claude Sonnet 4.6

Claude 3 Haiku

55

Claude Sonnet 4.6

97.1

56
AIME 2023
99
58
AIME 2024
99
57
AIME 2025
98
52
HMMT Feb 2023
95
54
HMMT Feb 2024
97
53
HMMT Feb 2025
96
55
BRUMO 2025
96

Reasoning

Claude Sonnet 4.6

Claude 3 Haiku

53

Claude Sonnet 4.6

94

54
SimpleQA
95
52
MuSR
93

Frequently Asked Questions

Which is better, Claude 3 Haiku or Claude Sonnet 4.6?

Claude Sonnet 4.6 scores higher overall with 80 vs 46, a difference of 34 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 54.5.

Which is better for coding, Claude 3 Haiku or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 48.

Which is better for math, Claude 3 Haiku or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 55.

Which is better for reasoning, Claude 3 Haiku or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 53.

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