Claude 4 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 59 (21 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Knowledge

Claude Sonnet 4.6

Claude 4 Sonnet

71.5

Claude Sonnet 4.6

96

73
MMLU
99
73
GPQA
97
71
SuperGPQA
95
69
OpenBookQA
93

Coding

Claude Sonnet 4.6

Claude 4 Sonnet

65

Claude Sonnet 4.6

93

65
HumanEval
93

Mathematics

Claude Sonnet 4.6

Claude 4 Sonnet

72

Claude Sonnet 4.6

97.1

73
AIME 2023
99
75
AIME 2024
99
74
AIME 2025
98
69
HMMT Feb 2023
95
71
HMMT Feb 2024
97
70
HMMT Feb 2025
96
72
BRUMO 2025
96

Reasoning

Claude Sonnet 4.6

Claude 4 Sonnet

70

Claude Sonnet 4.6

94

71
SimpleQA
95
69
MuSR
93

Frequently Asked Questions

Which is better, Claude 4 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 scores higher overall with 80 vs 59, a difference of 21 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 71.5.

Which is better for coding, Claude 4 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 65.

Which is better for math, Claude 4 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 72.

Which is better for reasoning, Claude 4 Sonnet or Claude Sonnet 4.6?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 70.