Gemini 3.1 Flash-Lite 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 53 (18 point difference).Kimi K2.5 (Reasoning) wins 4 out of 4 categories.

Knowledge

Kimi K2.5 (Reasoning)

Gemini 3.1 Flash-Lite

60.8

Kimi K2.5 (Reasoning)

89

63
MMLU
92
62
GPQA
90
60
SuperGPQA
88
58
OpenBookQA
86

Coding

Kimi K2.5 (Reasoning)

Gemini 3.1 Flash-Lite

55

Kimi K2.5 (Reasoning)

84

55
HumanEval
84

Mathematics

Kimi K2.5 (Reasoning)

Gemini 3.1 Flash-Lite

62

Kimi K2.5 (Reasoning)

93

63
AIME 2023
94
65
AIME 2024
96
64
AIME 2025
95
59
HMMT Feb 2023
90
61
HMMT Feb 2024
92
60
HMMT Feb 2025
91
62
BRUMO 2025
93

Reasoning

Kimi K2.5 (Reasoning)

Gemini 3.1 Flash-Lite

59

Kimi K2.5 (Reasoning)

87

60
SimpleQA
88
58
MuSR
86

Frequently Asked Questions

Which is better, Gemini 3.1 Flash-Lite or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) scores higher overall with 71 vs 53, a difference of 18 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Flash-Lite or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in knowledge tasks with an average score of 89 vs 60.8.

Which is better for coding, Gemini 3.1 Flash-Lite or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in coding with an average score of 84 vs 55.

Which is better for math, Gemini 3.1 Flash-Lite or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in math with an average score of 93 vs 62.

Which is better for reasoning, Gemini 3.1 Flash-Lite or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) leads in reasoning with an average score of 87 vs 59.