Claude 4.1 Opus Thinking vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 29 (43 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

Claude 4.1 Opus Thinking

35.8

GPT-5 (high)

90

38
MMLU
93
37
GPQA
91
35
SuperGPQA
89
33
OpenBookQA
87

Coding

GPT-5 (high)

Claude 4.1 Opus Thinking

30

GPT-5 (high)

85

30
HumanEval
85

Mathematics

GPT-5 (high)

Claude 4.1 Opus Thinking

37

GPT-5 (high)

94

38
AIME 2023
95
40
AIME 2024
97
39
AIME 2025
96
34
HMMT Feb 2023
91
36
HMMT Feb 2024
93
35
HMMT Feb 2025
92
37
BRUMO 2025
94

Reasoning

GPT-5 (high)

Claude 4.1 Opus Thinking

35

GPT-5 (high)

88

36
SimpleQA
89
34
MuSR
87

Frequently Asked Questions

Which is better, Claude 4.1 Opus Thinking or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 29, a difference of 43 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus Thinking or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 35.8.

Which is better for coding, Claude 4.1 Opus Thinking or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 30.

Which is better for math, Claude 4.1 Opus Thinking or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 37.

Which is better for reasoning, Claude 4.1 Opus Thinking or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 35.