Claude 3 Haiku vs GPT-4o

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 46 (10 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

Claude 3 Haiku

54.5

GPT-4o

64.5

56
MMLU
66
56
GPQA
66
54
SuperGPQA
64
52
OpenBookQA
62

Coding

GPT-4o

Claude 3 Haiku

48

GPT-4o

58

48
HumanEval
58

Mathematics

GPT-4o

Claude 3 Haiku

55

GPT-4o

65

56
AIME 2023
66
58
AIME 2024
68
57
AIME 2025
67
52
HMMT Feb 2023
62
54
HMMT Feb 2024
64
53
HMMT Feb 2025
63
55
BRUMO 2025
65

Reasoning

GPT-4o

Claude 3 Haiku

53

GPT-4o

63

54
SimpleQA
64
52
MuSR
62

Frequently Asked Questions

Which is better, Claude 3 Haiku or GPT-4o?

GPT-4o scores higher overall with 56 vs 46, a difference of 10 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or GPT-4o?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 54.5.

Which is better for coding, Claude 3 Haiku or GPT-4o?

GPT-4o leads in coding with an average score of 58 vs 48.

Which is better for math, Claude 3 Haiku or GPT-4o?

GPT-4o leads in math with an average score of 65 vs 55.

Which is better for reasoning, Claude 3 Haiku or GPT-4o?

GPT-4o leads in reasoning with an average score of 63 vs 53.