benchlm.ai

Claude 3 Haiku vs GPT-5 mini

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 46 (22 point difference).GPT-5 mini wins 4 out of 4 categories.

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

GPT-5 mini

CreatorOpenAI
TypeProprietary
Context128K
Score68

Knowledge

GPT-5 mini

Claude 3 Haiku

54.5

GPT-5 mini

85

56
MMLU
88
56
GPQA
86
54
SuperGPQA
84
52
OpenBookQA
82

Coding

GPT-5 mini

Claude 3 Haiku

48

GPT-5 mini

80

48
HumanEval
80

Mathematics

GPT-5 mini

Claude 3 Haiku

55

GPT-5 mini

89

56
AIME 2023
90
58
AIME 2024
92
57
AIME 2025
91
52
HMMT Feb 2023
86
54
HMMT Feb 2024
88
53
HMMT Feb 2025
87
55
BRUMO 2025
89

Reasoning

GPT-5 mini

Claude 3 Haiku

53

GPT-5 mini

83

54
SimpleQA
84
52
MuSR
82

Frequently Asked Questions

Which is better, Claude 3 Haiku or GPT-5 mini?

GPT-5 mini scores higher overall with 68 vs 46, a difference of 22 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or GPT-5 mini?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 54.5.

Which is better for coding, Claude 3 Haiku or GPT-5 mini?

GPT-5 mini leads in coding with an average score of 80 vs 48.

Which is better for math, Claude 3 Haiku or GPT-5 mini?

GPT-5 mini leads in math with an average score of 89 vs 55.

Which is better for reasoning, Claude 3 Haiku or GPT-5 mini?

GPT-5 mini leads in reasoning with an average score of 83 vs 53.

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