Claude Opus 4.5 vs GLM-5 (Reasoning)

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 75 (4 point difference).Claude Opus 4.5 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.5

Claude Opus 4.5

96

GLM-5 (Reasoning)

93

99
MMLU
96
97
GPQA
94
95
SuperGPQA
92
93
OpenBookQA
90

Coding

Claude Opus 4.5

Claude Opus 4.5

91

GLM-5 (Reasoning)

88

91
HumanEval
88

Mathematics

Claude Opus 4.5

Claude Opus 4.5

97.1

GLM-5 (Reasoning)

96.6

99
AIME 2023
98
99
AIME 2024
99
98
AIME 2025
98
95
HMMT Feb 2023
94
97
HMMT Feb 2024
96
96
HMMT Feb 2025
95
96
BRUMO 2025
96

Reasoning

Claude Opus 4.5

Claude Opus 4.5

94

GLM-5 (Reasoning)

91

95
SimpleQA
92
93
MuSR
90

Frequently Asked Questions

Which is better, Claude Opus 4.5 or GLM-5 (Reasoning)?

Claude Opus 4.5 scores higher overall with 79 vs 75, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.5 or GLM-5 (Reasoning)?

Claude Opus 4.5 leads in knowledge tasks with an average score of 96 vs 93.

Which is better for coding, Claude Opus 4.5 or GLM-5 (Reasoning)?

Claude Opus 4.5 leads in coding with an average score of 91 vs 88.

Which is better for math, Claude Opus 4.5 or GLM-5 (Reasoning)?

Claude Opus 4.5 leads in math with an average score of 97.1 vs 96.6.

Which is better for reasoning, Claude Opus 4.5 or GLM-5 (Reasoning)?

Claude Opus 4.5 leads in reasoning with an average score of 94 vs 91.