benchlm.ai

Claude Sonnet 4.6 vs GPT-4o

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 56 (24 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

GPT-4o

CreatorOpenAI
TypeProprietary
Context128K
Score56

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

96

GPT-4o

64.5

99
MMLU
66
97
GPQA
66
95
SuperGPQA
64
93
OpenBookQA
62

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

93

GPT-4o

58

93
HumanEval
58

Mathematics

Claude Sonnet 4.6

Claude Sonnet 4.6

97.1

GPT-4o

65

99
AIME 2023
66
99
AIME 2024
68
98
AIME 2025
67
95
HMMT Feb 2023
62
97
HMMT Feb 2024
64
96
HMMT Feb 2025
63
96
BRUMO 2025
65

Reasoning

Claude Sonnet 4.6

Claude Sonnet 4.6

94

GPT-4o

63

95
SimpleQA
64
93
MuSR
62

Frequently Asked Questions

Which is better, Claude Sonnet 4.6 or GPT-4o?

Claude Sonnet 4.6 scores higher overall with 80 vs 56, a difference of 24 points across all benchmarks.

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

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 64.5.

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

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 58.

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

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 65.

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

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 63.

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Claude Sonnet 4.6 vs GPT-5.4Claude Sonnet 4.6 vs Gemini 3.1 ProClaude Sonnet 4.6 vs Claude Opus 4.6Claude Sonnet 4.6 vs GPT-5.3 CodexClaude Sonnet 4.6 vs Grok 4.1Claude Sonnet 4.6 vs GPT-5.2