benchlm.ai

Claude 3 Opus vs Z-1

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

Quick Verdict

Claude 3 Opus wins overall with a score of 51 vs 43 (8 point difference).Claude 3 Opus wins 4 out of 4 categories.

Claude 3 Opus

CreatorAnthropic
TypeProprietary
Context200K
Score51

Z-1

CreatorZ
TypeProprietary
Context128K
Score43

Knowledge

Claude 3 Opus

Claude 3 Opus

59.5

Z-1

49.8

61
MMLU
52
61
GPQA
51
59
SuperGPQA
49
57
OpenBookQA
47

Coding

Claude 3 Opus

Claude 3 Opus

53

Z-1

44

53
HumanEval
44

Mathematics

Claude 3 Opus

Claude 3 Opus

60

Z-1

51

61
AIME 2023
52
63
AIME 2024
54
62
AIME 2025
53
57
HMMT Feb 2023
48
59
HMMT Feb 2024
50
58
HMMT Feb 2025
49
60
BRUMO 2025
51

Reasoning

Claude 3 Opus

Claude 3 Opus

58

Z-1

49

59
SimpleQA
50
57
MuSR
48

Frequently Asked Questions

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

Claude 3 Opus scores higher overall with 51 vs 43, a difference of 8 points across all benchmarks.

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

Claude 3 Opus leads in knowledge tasks with an average score of 59.5 vs 49.8.

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

Claude 3 Opus leads in coding with an average score of 53 vs 44.

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

Claude 3 Opus leads in math with an average score of 60 vs 51.

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

Claude 3 Opus leads in reasoning with an average score of 58 vs 49.

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