Claude 3 Haiku vs Claude 3 Opus

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 46 (5 point difference).Claude 3 Opus wins 4 out of 4 categories.

Knowledge

Claude 3 Opus

Claude 3 Haiku

54.5

Claude 3 Opus

59.5

56
MMLU
61
56
GPQA
61
54
SuperGPQA
59
52
OpenBookQA
57

Coding

Claude 3 Opus

Claude 3 Haiku

48

Claude 3 Opus

53

48
HumanEval
53

Mathematics

Claude 3 Opus

Claude 3 Haiku

55

Claude 3 Opus

60

56
AIME 2023
61
58
AIME 2024
63
57
AIME 2025
62
52
HMMT Feb 2023
57
54
HMMT Feb 2024
59
53
HMMT Feb 2025
58
55
BRUMO 2025
60

Reasoning

Claude 3 Opus

Claude 3 Haiku

53

Claude 3 Opus

58

54
SimpleQA
59
52
MuSR
57

Frequently Asked Questions

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

Claude 3 Opus scores higher overall with 51 vs 46, a difference of 5 points across all benchmarks.

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

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 54.5.

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

Claude 3 Opus leads in coding with an average score of 53 vs 48.

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

Claude 3 Opus leads in math with an average score of 60 vs 55.

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

Claude 3 Opus leads in reasoning with an average score of 58 vs 53.