benchlm.ai

Claude 3 Haiku vs Z-1

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

Quick Verdict

Claude 3 Haiku wins overall with a score of 46 vs 43 (3 point difference).Claude 3 Haiku wins 4 out of 4 categories.

Claude 3 Haiku

CreatorAnthropic
TypeProprietary
Context200K
Score46

Z-1

CreatorZ
TypeProprietary
Context128K
Score43

Knowledge

Claude 3 Haiku

Claude 3 Haiku

54.5

Z-1

49.8

56
MMLU
52
56
GPQA
51
54
SuperGPQA
49
52
OpenBookQA
47

Coding

Claude 3 Haiku

Claude 3 Haiku

48

Z-1

44

48
HumanEval
44

Mathematics

Claude 3 Haiku

Claude 3 Haiku

55

Z-1

51

56
AIME 2023
52
58
AIME 2024
54
57
AIME 2025
53
52
HMMT Feb 2023
48
54
HMMT Feb 2024
50
53
HMMT Feb 2025
49
55
BRUMO 2025
51

Reasoning

Claude 3 Haiku

Claude 3 Haiku

53

Z-1

49

54
SimpleQA
50
52
MuSR
48

Frequently Asked Questions

Which is better, Claude 3 Haiku or Z-1?

Claude 3 Haiku scores higher overall with 46 vs 43, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Haiku or Z-1?

Claude 3 Haiku leads in knowledge tasks with an average score of 54.5 vs 49.8.

Which is better for coding, Claude 3 Haiku or Z-1?

Claude 3 Haiku leads in coding with an average score of 48 vs 44.

Which is better for math, Claude 3 Haiku or Z-1?

Claude 3 Haiku leads in math with an average score of 55 vs 51.

Which is better for reasoning, Claude 3 Haiku or Z-1?

Claude 3 Haiku leads in reasoning with an average score of 53 vs 49.

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