Claude 4.1 Opus Thinking vs Claude 4 Sonnet

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 29 (30 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Knowledge

Claude 4 Sonnet

Claude 4.1 Opus Thinking

35.8

Claude 4 Sonnet

71.5

38
MMLU
73
37
GPQA
73
35
SuperGPQA
71
33
OpenBookQA
69

Coding

Claude 4 Sonnet

Claude 4.1 Opus Thinking

30

Claude 4 Sonnet

65

30
HumanEval
65

Mathematics

Claude 4 Sonnet

Claude 4.1 Opus Thinking

37

Claude 4 Sonnet

72

38
AIME 2023
73
40
AIME 2024
75
39
AIME 2025
74
34
HMMT Feb 2023
69
36
HMMT Feb 2024
71
35
HMMT Feb 2025
70
37
BRUMO 2025
72

Reasoning

Claude 4 Sonnet

Claude 4.1 Opus Thinking

35

Claude 4 Sonnet

70

36
SimpleQA
71
34
MuSR
69

Frequently Asked Questions

Which is better, Claude 4.1 Opus Thinking or Claude 4 Sonnet?

Claude 4 Sonnet scores higher overall with 59 vs 29, a difference of 30 points across all benchmarks.

Which is better for knowledge tasks, Claude 4.1 Opus Thinking or Claude 4 Sonnet?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 35.8.

Which is better for coding, Claude 4.1 Opus Thinking or Claude 4 Sonnet?

Claude 4 Sonnet leads in coding with an average score of 65 vs 30.

Which is better for math, Claude 4.1 Opus Thinking or Claude 4 Sonnet?

Claude 4 Sonnet leads in math with an average score of 72 vs 37.

Which is better for reasoning, Claude 4.1 Opus Thinking or Claude 4 Sonnet?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 35.