benchlm.ai

Claude 3 Haiku vs Claude Opus 4.6

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

Quick Verdict

Claude Opus 4.6 wins overall with a score of 86 vs 46 (40 point difference).Claude Opus 4.6 wins 4 out of 4 categories.

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

Claude Opus 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score86

Knowledge

Claude Opus 4.6

Claude 3 Haiku

54.5

Claude Opus 4.6

96

56
MMLU
99
56
GPQA
97
54
SuperGPQA
95
52
OpenBookQA
93

Coding

Claude Opus 4.6

Claude 3 Haiku

48

Claude Opus 4.6

91

48
HumanEval
91

Mathematics

Claude Opus 4.6

Claude 3 Haiku

55

Claude Opus 4.6

97.1

56
AIME 2023
99
58
AIME 2024
99
57
AIME 2025
98
52
HMMT Feb 2023
95
54
HMMT Feb 2024
97
53
HMMT Feb 2025
96
55
BRUMO 2025
96

Reasoning

Claude Opus 4.6

Claude 3 Haiku

53

Claude Opus 4.6

94

54
SimpleQA
95
52
MuSR
93

Frequently Asked Questions

Which is better, Claude 3 Haiku or Claude Opus 4.6?

Claude Opus 4.6 scores higher overall with 86 vs 46, a difference of 40 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or Claude Opus 4.6?

Claude Opus 4.6 leads in knowledge tasks with an average score of 96 vs 54.5.

Which is better for coding, Claude 3 Haiku or Claude Opus 4.6?

Claude Opus 4.6 leads in coding with an average score of 91 vs 48.

Which is better for math, Claude 3 Haiku or Claude Opus 4.6?

Claude Opus 4.6 leads in math with an average score of 97.1 vs 55.

Which is better for reasoning, Claude 3 Haiku or Claude Opus 4.6?

Claude Opus 4.6 leads in reasoning with an average score of 94 vs 53.

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