benchlm.ai

Gemini 2.5 Flash vs Gemini 3 Flash

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

Quick Verdict

Gemini 3 Flash wins overall with a score of 58 vs 41 (17 point difference).Gemini 3 Flash wins 4 out of 4 categories.

Gemini 2.5 Flash

CreatorGoogle
TypeProprietary
Context1M
Score41

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Knowledge

Gemini 3 Flash

Gemini 2.5 Flash

47.8

Gemini 3 Flash

67.8

50
MMLU
70
49
GPQA
69
47
SuperGPQA
67
45
OpenBookQA
65

Coding

Gemini 3 Flash

Gemini 2.5 Flash

42

Gemini 3 Flash

62

42
HumanEval
62

Mathematics

Gemini 3 Flash

Gemini 2.5 Flash

49

Gemini 3 Flash

69

50
AIME 2023
70
52
AIME 2024
72
51
AIME 2025
71
46
HMMT Feb 2023
66
48
HMMT Feb 2024
68
47
HMMT Feb 2025
67
49
BRUMO 2025
69

Reasoning

Gemini 3 Flash

Gemini 2.5 Flash

47

Gemini 3 Flash

66

48
SimpleQA
67
46
MuSR
65

Frequently Asked Questions

Which is better, Gemini 2.5 Flash or Gemini 3 Flash?

Gemini 3 Flash scores higher overall with 58 vs 41, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Flash or Gemini 3 Flash?

Gemini 3 Flash leads in knowledge tasks with an average score of 67.8 vs 47.8.

Which is better for coding, Gemini 2.5 Flash or Gemini 3 Flash?

Gemini 3 Flash leads in coding with an average score of 62 vs 42.

Which is better for math, Gemini 2.5 Flash or Gemini 3 Flash?

Gemini 3 Flash leads in math with an average score of 69 vs 49.

Which is better for reasoning, Gemini 2.5 Flash or Gemini 3 Flash?

Gemini 3 Flash leads in reasoning with an average score of 66 vs 47.

Related Comparisons

Gemini 2.5 Flash vs GPT-5.4Gemini 2.5 Flash vs Gemini 3.1 ProGemini 2.5 Flash vs Claude Opus 4.6Gemini 2.5 Flash vs GPT-5.3 CodexGemini 2.5 Flash vs Grok 4.1Gemini 2.5 Flash vs GPT-5.2