benchlm.ai

Claude Opus 4.5 vs Moonshot v1

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

Quick Verdict

Claude Opus 4.5 wins overall with a score of 79 vs 44 (35 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Claude Opus 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score79

Moonshot v1

CreatorMoonshot AI
TypeProprietary
Context128K
Score44

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

Moonshot v1

50.8

99
MMLU
53
97
GPQA
52
95
SuperGPQA
50
93
OpenBookQA
48

Coding

Claude Opus 4.5

Claude Opus 4.5

91

Moonshot v1

45

91
HumanEval
45

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

Moonshot v1

52

99
AIME 2023
53
99
AIME 2024
55
98
AIME 2025
54
95
HMMT Feb 2023
49
97
HMMT Feb 2024
51
96
HMMT Feb 2025
50
96
BRUMO 2025
52

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

Moonshot v1

50

95
SimpleQA
51
93
MuSR
49

Frequently Asked Questions

Which is better, Claude Opus 4.5 or Moonshot v1?

Claude Opus 4.5 scores higher overall with 79 vs 44, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or Moonshot v1?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 50.8.

Which is better for coding, Claude Opus 4.5 or Moonshot v1?

Claude Opus 4.5 leads in coding with an average score of 91 vs 45.

Which is better for math, Claude Opus 4.5 or Moonshot v1?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 52.

Which is better for reasoning, Claude Opus 4.5 or Moonshot v1?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 50.

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