benchlm.ai

Gemini 3 Flash 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 58 (23 point difference).Gemini 3 Pro Deep Think wins 4 out of 4 categories.

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Gemini 3 Pro Deep Think

CreatorGoogle
TypeProprietary
Context2M
Score81

Knowledge

Gemini 3 Pro Deep Think

Gemini 3 Flash

67.8

Gemini 3 Pro Deep Think

96

70
MMLU
99
69
GPQA
97
67
SuperGPQA
95
65
OpenBookQA
93

Coding

Gemini 3 Pro Deep Think

Gemini 3 Flash

62

Gemini 3 Pro Deep Think

91

62
HumanEval
91

Mathematics

Gemini 3 Pro Deep Think

Gemini 3 Flash

69

Gemini 3 Pro Deep Think

97.1

70
AIME 2023
99
72
AIME 2024
99
71
AIME 2025
98
66
HMMT Feb 2023
95
68
HMMT Feb 2024
97
67
HMMT Feb 2025
96
69
BRUMO 2025
96

Reasoning

Gemini 3 Pro Deep Think

Gemini 3 Flash

66

Gemini 3 Pro Deep Think

94

67
SimpleQA
95
65
MuSR
93

Frequently Asked Questions

Which is better, Gemini 3 Flash or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think scores higher overall with 81 vs 58, a difference of 23 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Flash or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in knowledge tasks with an average score of 96 vs 67.8.

Which is better for coding, Gemini 3 Flash or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in coding with an average score of 91 vs 62.

Which is better for math, Gemini 3 Flash or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in math with an average score of 97.1 vs 69.

Which is better for reasoning, Gemini 3 Flash or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in reasoning with an average score of 94 vs 66.

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