benchlm.ai

Claude Opus 4.5 vs GPT-4 Turbo

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 50 (29 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Claude Opus 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score79

GPT-4 Turbo

CreatorOpenAI
TypeProprietary
Context128K
Score50

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

GPT-4 Turbo

58.5

99
MMLU
60
97
GPQA
60
95
SuperGPQA
58
93
OpenBookQA
56

Coding

Claude Opus 4.5

Claude Opus 4.5

91

GPT-4 Turbo

52

91
HumanEval
52

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

GPT-4 Turbo

59

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

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

GPT-4 Turbo

57

95
SimpleQA
58
93
MuSR
56

Frequently Asked Questions

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

Claude Opus 4.5 scores higher overall with 79 vs 50, a difference of 29 points across all benchmarks.

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

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 58.5.

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

Claude Opus 4.5 leads in coding with an average score of 91 vs 52.

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

Claude Opus 4.5 leads in math with an average score of 97.1 vs 59.

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

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 57.

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