benchlm.ai

Claude Sonnet 4.6 vs Gemini 2.5 Flash

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

Quick Verdict

Claude Sonnet 4.6 wins overall with a score of 80 vs 41 (39 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

Gemini 2.5 Flash

CreatorGoogle
TypeProprietary
Context1M
Score41

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

96

Gemini 2.5 Flash

47.8

99
MMLU
50
97
GPQA
49
95
SuperGPQA
47
93
OpenBookQA
45

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

93

Gemini 2.5 Flash

42

93
HumanEval
42

Mathematics

Claude Sonnet 4.6

Claude Sonnet 4.6

97.1

Gemini 2.5 Flash

49

99
AIME 2023
50
99
AIME 2024
52
98
AIME 2025
51
95
HMMT Feb 2023
46
97
HMMT Feb 2024
48
96
HMMT Feb 2025
47
96
BRUMO 2025
49

Reasoning

Claude Sonnet 4.6

Claude Sonnet 4.6

94

Gemini 2.5 Flash

47

95
SimpleQA
48
93
MuSR
46

Frequently Asked Questions

Which is better, Claude Sonnet 4.6 or Gemini 2.5 Flash?

Claude Sonnet 4.6 scores higher overall with 80 vs 41, a difference of 39 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.6 or Gemini 2.5 Flash?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 47.8.

Which is better for coding, Claude Sonnet 4.6 or Gemini 2.5 Flash?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 42.

Which is better for math, Claude Sonnet 4.6 or Gemini 2.5 Flash?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 49.

Which is better for reasoning, Claude Sonnet 4.6 or Gemini 2.5 Flash?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 47.

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