benchlm.ai

Claude 3.5 Sonnet vs Gemini 2.5 Flash

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

Quick Verdict

Claude 3.5 Sonnet wins overall with a score of 55 vs 41 (14 point difference).Claude 3.5 Sonnet wins 4 out of 4 categories.

Claude 3.5 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score55

Gemini 2.5 Flash

CreatorGoogle
TypeProprietary
Context1M
Score41

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

63.5

Gemini 2.5 Flash

47.8

65
MMLU
50
65
GPQA
49
63
SuperGPQA
47
61
OpenBookQA
45

Coding

Claude 3.5 Sonnet

Claude 3.5 Sonnet

57

Gemini 2.5 Flash

42

57
HumanEval
42

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

64

Gemini 2.5 Flash

49

65
AIME 2023
50
67
AIME 2024
52
66
AIME 2025
51
61
HMMT Feb 2023
46
63
HMMT Feb 2024
48
62
HMMT Feb 2025
47
64
BRUMO 2025
49

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

62

Gemini 2.5 Flash

47

63
SimpleQA
48
61
MuSR
46

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Gemini 2.5 Flash?

Claude 3.5 Sonnet scores higher overall with 55 vs 41, a difference of 14 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Gemini 2.5 Flash?

Claude 3.5 Sonnet leads in knowledge tasks with an average score of 63.5 vs 47.8.

Which is better for coding, Claude 3.5 Sonnet or Gemini 2.5 Flash?

Claude 3.5 Sonnet leads in coding with an average score of 57 vs 42.

Which is better for math, Claude 3.5 Sonnet or Gemini 2.5 Flash?

Claude 3.5 Sonnet leads in math with an average score of 64 vs 49.

Which is better for reasoning, Claude 3.5 Sonnet or Gemini 2.5 Flash?

Claude 3.5 Sonnet leads in reasoning with an average score of 62 vs 47.

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