Claude 3.5 Sonnet vs Gemini 3 Pro Deep Think

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

Quick Verdict

Gemini 3 Pro Deep Think wins overall with a score of 81 vs 55 (26 point difference).Gemini 3 Pro Deep Think wins 4 out of 4 categories.

Knowledge

Gemini 3 Pro Deep Think

Claude 3.5 Sonnet

63.5

Gemini 3 Pro Deep Think

96

65
MMLU
99
65
GPQA
97
63
SuperGPQA
95
61
OpenBookQA
93

Coding

Gemini 3 Pro Deep Think

Claude 3.5 Sonnet

57

Gemini 3 Pro Deep Think

91

57
HumanEval
91

Mathematics

Gemini 3 Pro Deep Think

Claude 3.5 Sonnet

64

Gemini 3 Pro Deep Think

97.1

65
AIME 2023
99
67
AIME 2024
99
66
AIME 2025
98
61
HMMT Feb 2023
95
63
HMMT Feb 2024
97
62
HMMT Feb 2025
96
64
BRUMO 2025
96

Reasoning

Gemini 3 Pro Deep Think

Claude 3.5 Sonnet

62

Gemini 3 Pro Deep Think

94

63
SimpleQA
95
61
MuSR
93

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think scores higher overall with 81 vs 55, a difference of 26 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in knowledge tasks with an average score of 96 vs 63.5.

Which is better for coding, Claude 3.5 Sonnet or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in coding with an average score of 91 vs 57.

Which is better for math, Claude 3.5 Sonnet or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in math with an average score of 97.1 vs 64.

Which is better for reasoning, Claude 3.5 Sonnet or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in reasoning with an average score of 94 vs 62.