benchlm.ai

Claude 4 Sonnet vs Gemini 3 Flash

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 58 (1 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Claude 4 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score59

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

71.5

Gemini 3 Flash

67.8

73
MMLU
70
73
GPQA
69
71
SuperGPQA
67
69
OpenBookQA
65

Coding

Claude 4 Sonnet

Claude 4 Sonnet

65

Gemini 3 Flash

62

65
HumanEval
62

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

72

Gemini 3 Flash

69

73
AIME 2023
70
75
AIME 2024
72
74
AIME 2025
71
69
HMMT Feb 2023
66
71
HMMT Feb 2024
68
70
HMMT Feb 2025
67
72
BRUMO 2025
69

Reasoning

Claude 4 Sonnet

Claude 4 Sonnet

70

Gemini 3 Flash

66

71
SimpleQA
67
69
MuSR
65

Frequently Asked Questions

Which is better, Claude 4 Sonnet or Gemini 3 Flash?

Claude 4 Sonnet scores higher overall with 59 vs 58, a difference of 1 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or Gemini 3 Flash?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 67.8.

Which is better for coding, Claude 4 Sonnet or Gemini 3 Flash?

Claude 4 Sonnet leads in coding with an average score of 65 vs 62.

Which is better for math, Claude 4 Sonnet or Gemini 3 Flash?

Claude 4 Sonnet leads in math with an average score of 72 vs 69.

Which is better for reasoning, Claude 4 Sonnet or Gemini 3 Flash?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 66.

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