benchlm.ai

Gemini 1.5 Pro 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 54 (27 point difference).Gemini 3 Pro Deep Think wins 4 out of 4 categories.

Gemini 1.5 Pro

CreatorGoogle
TypeProprietary
Context2M
Score54

Gemini 3 Pro Deep Think

CreatorGoogle
TypeProprietary
Context2M
Score81

Knowledge

Gemini 3 Pro Deep Think

Gemini 1.5 Pro

62.5

Gemini 3 Pro Deep Think

96

64
MMLU
99
64
GPQA
97
62
SuperGPQA
95
60
OpenBookQA
93

Coding

Gemini 3 Pro Deep Think

Gemini 1.5 Pro

56

Gemini 3 Pro Deep Think

91

56
HumanEval
91

Mathematics

Gemini 3 Pro Deep Think

Gemini 1.5 Pro

63

Gemini 3 Pro Deep Think

97.1

64
AIME 2023
99
66
AIME 2024
99
65
AIME 2025
98
60
HMMT Feb 2023
95
62
HMMT Feb 2024
97
61
HMMT Feb 2025
96
63
BRUMO 2025
96

Reasoning

Gemini 3 Pro Deep Think

Gemini 1.5 Pro

61

Gemini 3 Pro Deep Think

94

62
SimpleQA
95
60
MuSR
93

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think scores higher overall with 81 vs 54, a difference of 27 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in knowledge tasks with an average score of 96 vs 62.5.

Which is better for coding, Gemini 1.5 Pro or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in coding with an average score of 91 vs 56.

Which is better for math, Gemini 1.5 Pro or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in math with an average score of 97.1 vs 63.

Which is better for reasoning, Gemini 1.5 Pro or Gemini 3 Pro Deep Think?

Gemini 3 Pro Deep Think leads in reasoning with an average score of 94 vs 61.

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