benchlm.ai

Claude Sonnet 4.5 vs Gemini 1.5 Pro

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

Quick Verdict

Claude Sonnet 4.5 wins overall with a score of 74 vs 54 (20 point difference).Claude Sonnet 4.5 wins 4 out of 4 categories.

Claude Sonnet 4.5

CreatorAnthropic
TypeProprietary
Context1M
Score74

Gemini 1.5 Pro

CreatorGoogle
TypeProprietary
Context2M
Score54

Knowledge

Claude Sonnet 4.5

Claude Sonnet 4.5

92

Gemini 1.5 Pro

62.5

95
MMLU
64
93
GPQA
64
91
SuperGPQA
62
89
OpenBookQA
60

Coding

Claude Sonnet 4.5

Claude Sonnet 4.5

87

Gemini 1.5 Pro

56

87
HumanEval
56

Mathematics

Claude Sonnet 4.5

Claude Sonnet 4.5

96

Gemini 1.5 Pro

63

97
AIME 2023
64
99
AIME 2024
66
98
AIME 2025
65
93
HMMT Feb 2023
60
95
HMMT Feb 2024
62
94
HMMT Feb 2025
61
96
BRUMO 2025
63

Reasoning

Claude Sonnet 4.5

Claude Sonnet 4.5

90

Gemini 1.5 Pro

61

91
SimpleQA
62
89
MuSR
60

Frequently Asked Questions

Which is better, Claude Sonnet 4.5 or Gemini 1.5 Pro?

Claude Sonnet 4.5 scores higher overall with 74 vs 54, a difference of 20 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.5 or Gemini 1.5 Pro?

Claude Sonnet 4.5 leads in knowledge tasks with an average score of 92 vs 62.5.

Which is better for coding, Claude Sonnet 4.5 or Gemini 1.5 Pro?

Claude Sonnet 4.5 leads in coding with an average score of 87 vs 56.

Which is better for math, Claude Sonnet 4.5 or Gemini 1.5 Pro?

Claude Sonnet 4.5 leads in math with an average score of 96 vs 63.

Which is better for reasoning, Claude Sonnet 4.5 or Gemini 1.5 Pro?

Claude Sonnet 4.5 leads in reasoning with an average score of 90 vs 61.

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