benchlm.ai

Claude Sonnet 4.5 vs GPT-4 Turbo

Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 50 (24 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Claude Sonnet 4.5

CreatorAnthropic
TypeProprietary
Context1M
Score74

GPT-4 Turbo

CreatorOpenAI
TypeProprietary
Context128K
Score50

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

GPT-4 Turbo

58.5

95
MMLU
60
93
GPQA
60
91
SuperGPQA
58
89
OpenBookQA
56

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

GPT-4 Turbo

52

87
HumanEval
52

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

GPT-4 Turbo

59

97
AIME 2023
60
99
AIME 2024
62
98
AIME 2025
61
93
HMMT Feb 2023
56
95
HMMT Feb 2024
58
94
HMMT Feb 2025
57
96
BRUMO 2025
59

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

GPT-4 Turbo

57

91
SimpleQA
58
89
MuSR
56

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or GPT-4 Turbo?

Claude Sonnet 4.5 scores higher overall with 74 vs 50, a difference of 24 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or GPT-4 Turbo?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 58.5.

Which is better for coding, Claude Sonnet 4.5 or GPT-4 Turbo?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 52.

Which is better for math, Claude Sonnet 4.5 or GPT-4 Turbo?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 59.

Which is better for reasoning, Claude Sonnet 4.5 or GPT-4 Turbo?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 57.

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