benchlm.ai

Gemini 2.5 Flash 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 41 (24 point difference).Gemini 2.5 Pro wins 4 out of 4 categories.

Gemini 2.5 Flash

CreatorGoogle
TypeProprietary
Context1M
Score41

Gemini 2.5 Pro

CreatorGoogle
TypeProprietary
Context2M
Score65

Knowledge

Gemini 2.5 Pro

Gemini 2.5 Flash

47.8

Gemini 2.5 Pro

81.5

50
MMLU
83
49
GPQA
83
47
SuperGPQA
81
45
OpenBookQA
79

Coding

Gemini 2.5 Pro

Gemini 2.5 Flash

42

Gemini 2.5 Pro

75

42
HumanEval
75

Mathematics

Gemini 2.5 Pro

Gemini 2.5 Flash

49

Gemini 2.5 Pro

83

50
AIME 2023
84
52
AIME 2024
86
51
AIME 2025
85
46
HMMT Feb 2023
80
48
HMMT Feb 2024
82
47
HMMT Feb 2025
81
49
BRUMO 2025
83

Reasoning

Gemini 2.5 Pro

Gemini 2.5 Flash

47

Gemini 2.5 Pro

80

48
SimpleQA
81
46
MuSR
79

Frequently Asked Questions

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

Gemini 2.5 Pro scores higher overall with 65 vs 41, a difference of 24 points across all benchmarks.

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

Gemini 2.5 Pro leads in knowledge tasks with an average score of 81.5 vs 47.8.

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

Gemini 2.5 Pro leads in coding with an average score of 75 vs 42.

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

Gemini 2.5 Pro leads in math with an average score of 83 vs 49.

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

Gemini 2.5 Pro leads in reasoning with an average score of 80 vs 47.

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