benchlm.ai

Claude 3.5 Sonnet 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 55 (25 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude 3.5 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score55

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

Knowledge

Claude Sonnet 4.6

Claude 3.5 Sonnet

63.5

Claude Sonnet 4.6

96

65
MMLU
99
65
GPQA
97
63
SuperGPQA
95
61
OpenBookQA
93

Coding

Claude Sonnet 4.6

Claude 3.5 Sonnet

57

Claude Sonnet 4.6

93

57
HumanEval
93

Mathematics

Claude Sonnet 4.6

Claude 3.5 Sonnet

64

Claude Sonnet 4.6

97.1

65
AIME 2023
99
67
AIME 2024
99
66
AIME 2025
98
61
HMMT Feb 2023
95
63
HMMT Feb 2024
97
62
HMMT Feb 2025
96
64
BRUMO 2025
96

Reasoning

Claude Sonnet 4.6

Claude 3.5 Sonnet

62

Claude Sonnet 4.6

94

63
SimpleQA
95
61
MuSR
93

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 scores higher overall with 80 vs 55, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 63.5.

Which is better for coding, Claude 3.5 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 57.

Which is better for math, Claude 3.5 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 64.

Which is better for reasoning, Claude 3.5 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 62.

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