benchlm.ai

Gemini 3 Flash vs Kimi K2.5 (Reasoning)

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

Quick Verdict

Kimi K2.5 (Reasoning) wins overall with a score of 71 vs 58 (13 point difference).Kimi K2.5 (Reasoning) wins 4 out of 4 categories.

Gemini 3 Flash

CreatorGoogle
TypeProprietary
Context1M
Score58

Kimi K2.5 (Reasoning)

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score71

Knowledge

Kimi K2.5 (Reasoning)

Gemini 3 Flash

67.8

Kimi K2.5 (Reasoning)

89

70
MMLU
92
69
GPQA
90
67
SuperGPQA
88
65
OpenBookQA
86

Coding

Kimi K2.5 (Reasoning)

Gemini 3 Flash

62

Kimi K2.5 (Reasoning)

84

62
HumanEval
84

Mathematics

Kimi K2.5 (Reasoning)

Gemini 3 Flash

69

Kimi K2.5 (Reasoning)

93

70
AIME 2023
94
72
AIME 2024
96
71
AIME 2025
95
66
HMMT Feb 2023
90
68
HMMT Feb 2024
92
67
HMMT Feb 2025
91
69
BRUMO 2025
93

Reasoning

Kimi K2.5 (Reasoning)

Gemini 3 Flash

66

Kimi K2.5 (Reasoning)

87

67
SimpleQA
88
65
MuSR
86

Frequently Asked Questions

Which is better, Gemini 3 Flash or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) scores higher overall with 71 vs 58, a difference of 13 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3 Flash or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in knowledge tasks with an average score of 89 vs 67.8.

Which is better for coding, Gemini 3 Flash or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in coding with an average score of 84 vs 62.

Which is better for math, Gemini 3 Flash or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in math with an average score of 93 vs 69.

Which is better for reasoning, Gemini 3 Flash or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in reasoning with an average score of 87 vs 66.

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