benchlm.ai

Claude 3 Haiku vs Claude 4.1 Opus

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 46 (15 point difference).Claude 4.1 Opus wins 4 out of 4 categories.

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

Claude 4.1 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score61

Knowledge

Claude 4.1 Opus

Claude 3 Haiku

54.5

Claude 4.1 Opus

74.5

56
MMLU
76
56
GPQA
76
54
SuperGPQA
74
52
OpenBookQA
72

Coding

Claude 4.1 Opus

Claude 3 Haiku

48

Claude 4.1 Opus

68

48
HumanEval
68

Mathematics

Claude 4.1 Opus

Claude 3 Haiku

55

Claude 4.1 Opus

75

56
AIME 2023
76
58
AIME 2024
78
57
AIME 2025
77
52
HMMT Feb 2023
72
54
HMMT Feb 2024
74
53
HMMT Feb 2025
73
55
BRUMO 2025
75

Reasoning

Claude 4.1 Opus

Claude 3 Haiku

53

Claude 4.1 Opus

73

54
SimpleQA
74
52
MuSR
72

Frequently Asked Questions

Which is better, Claude 3 Haiku or Claude 4.1 Opus?

Claude 4.1 Opus scores higher overall with 61 vs 46, a difference of 15 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or Claude 4.1 Opus?

Claude 4.1 Opus leads in knowledge tasks with an average score of 74.5 vs 54.5.

Which is better for coding, Claude 3 Haiku or Claude 4.1 Opus?

Claude 4.1 Opus leads in coding with an average score of 68 vs 48.

Which is better for math, Claude 3 Haiku or Claude 4.1 Opus?

Claude 4.1 Opus leads in math with an average score of 75 vs 55.

Which is better for reasoning, Claude 3 Haiku or Claude 4.1 Opus?

Claude 4.1 Opus leads in reasoning with an average score of 73 vs 53.

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