Gemini 1.5 Pro vs Gemini 2.5 Pro

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

Quick Verdict

Gemini 2.5 Pro wins overall with a score of 65 vs 54 (11 point difference).Gemini 2.5 Pro wins 4 out of 4 categories.

Knowledge

Gemini 2.5 Pro

Gemini 1.5 Pro

62.5

Gemini 2.5 Pro

81.5

64
MMLU
83
64
GPQA
83
62
SuperGPQA
81
60
OpenBookQA
79

Coding

Gemini 2.5 Pro

Gemini 1.5 Pro

56

Gemini 2.5 Pro

75

56
HumanEval
75

Mathematics

Gemini 2.5 Pro

Gemini 1.5 Pro

63

Gemini 2.5 Pro

83

64
AIME 2023
84
66
AIME 2024
86
65
AIME 2025
85
60
HMMT Feb 2023
80
62
HMMT Feb 2024
82
61
HMMT Feb 2025
81
63
BRUMO 2025
83

Reasoning

Gemini 2.5 Pro

Gemini 1.5 Pro

61

Gemini 2.5 Pro

80

62
SimpleQA
81
60
MuSR
79

Frequently Asked Questions

Which is better, Gemini 1.5 Pro or Gemini 2.5 Pro?

Gemini 2.5 Pro scores higher overall with 65 vs 54, a difference of 11 points across all benchmarks.

Which is better for knowledge tasks, Gemini 1.5 Pro or Gemini 2.5 Pro?

Gemini 2.5 Pro leads in knowledge tasks with an average score of 81.5 vs 62.5.

Which is better for coding, Gemini 1.5 Pro or Gemini 2.5 Pro?

Gemini 2.5 Pro leads in coding with an average score of 75 vs 56.

Which is better for math, Gemini 1.5 Pro or Gemini 2.5 Pro?

Gemini 2.5 Pro leads in math with an average score of 83 vs 63.

Which is better for reasoning, Gemini 1.5 Pro or Gemini 2.5 Pro?

Gemini 2.5 Pro leads in reasoning with an average score of 80 vs 61.