benchlm.ai

Gemini 2.5 Flash vs Gemini 3.1 Flash-Lite

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

Quick Verdict

Gemini 3.1 Flash-Lite wins overall with a score of 53 vs 41 (12 point difference).Gemini 3.1 Flash-Lite wins 4 out of 4 categories.

Gemini 2.5 Flash

CreatorGoogle
TypeProprietary
Context1M
Score41

Gemini 3.1 Flash-Lite

CreatorGoogle
TypeProprietary
Context1M
Score53

Knowledge

Gemini 3.1 Flash-Lite

Gemini 2.5 Flash

47.8

Gemini 3.1 Flash-Lite

60.8

50
MMLU
63
49
GPQA
62
47
SuperGPQA
60
45
OpenBookQA
58

Coding

Gemini 3.1 Flash-Lite

Gemini 2.5 Flash

42

Gemini 3.1 Flash-Lite

55

42
HumanEval
55

Mathematics

Gemini 3.1 Flash-Lite

Gemini 2.5 Flash

49

Gemini 3.1 Flash-Lite

62

50
AIME 2023
63
52
AIME 2024
65
51
AIME 2025
64
46
HMMT Feb 2023
59
48
HMMT Feb 2024
61
47
HMMT Feb 2025
60
49
BRUMO 2025
62

Reasoning

Gemini 3.1 Flash-Lite

Gemini 2.5 Flash

47

Gemini 3.1 Flash-Lite

59

48
SimpleQA
60
46
MuSR
58

Frequently Asked Questions

Which is better, Gemini 2.5 Flash or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite scores higher overall with 53 vs 41, a difference of 12 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Flash or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite leads in knowledge tasks with an average score of 60.8 vs 47.8.

Which is better for coding, Gemini 2.5 Flash or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite leads in coding with an average score of 55 vs 42.

Which is better for math, Gemini 2.5 Flash or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite leads in math with an average score of 62 vs 49.

Which is better for reasoning, Gemini 2.5 Flash or Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite leads in reasoning with an average score of 59 vs 47.

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