benchlm.ai

Claude 4.1 Opus vs Claude 4 Sonnet

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

Quick Verdict

Claude 4.1 Opus wins overall with a score of 61 vs 59 (2 point difference).Claude 4.1 Opus wins 4 out of 4 categories.

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

Claude 4 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score59

Knowledge

Claude 4.1 Opus

Claude 4.1 Opus

74.5

Claude 4 Sonnet

71.5

76
MMLU
73
76
GPQA
73
74
SuperGPQA
71
72
OpenBookQA
69

Coding

Claude 4.1 Opus

Claude 4.1 Opus

68

Claude 4 Sonnet

65

68
HumanEval
65

Mathematics

Claude 4.1 Opus

Claude 4.1 Opus

75

Claude 4 Sonnet

72

76
AIME 2023
73
78
AIME 2024
75
77
AIME 2025
74
72
HMMT Feb 2023
69
74
HMMT Feb 2024
71
73
HMMT Feb 2025
70
75
BRUMO 2025
72

Reasoning

Claude 4.1 Opus

Claude 4.1 Opus

73

Claude 4 Sonnet

70

74
SimpleQA
71
72
MuSR
69

Frequently Asked Questions

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

Claude 4.1 Opus scores higher overall with 61 vs 59, a difference of 2 points across all benchmarks.

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

Claude 4.1 Opus leads in knowledge tasks with an average score of 74.5 vs 71.5.

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

Claude 4.1 Opus leads in coding with an average score of 68 vs 65.

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

Claude 4.1 Opus leads in math with an average score of 75 vs 72.

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

Claude 4.1 Opus leads in reasoning with an average score of 73 vs 70.

Related Comparisons

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