benchlm.ai

Gemini 3.1 Pro vs Kimi K2.5

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

Quick Verdict

Gemini 3.1 Pro wins overall with a score of 87 vs 62 (25 point difference).Gemini 3.1 Pro wins 4 out of 4 categories.

Gemini 3.1 Pro

CreatorGoogle
TypeProprietary
Context1M
Score87

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Knowledge

Gemini 3.1 Pro

Gemini 3.1 Pro

96

Kimi K2.5

74.8

99
MMLU
77
97
GPQA
76
95
SuperGPQA
74
93
OpenBookQA
72

Coding

Gemini 3.1 Pro

Gemini 3.1 Pro

91

Kimi K2.5

69

91
HumanEval
69

Mathematics

Gemini 3.1 Pro

Gemini 3.1 Pro

97.1

Kimi K2.5

76

99
AIME 2023
77
99
AIME 2024
79
98
AIME 2025
78
95
HMMT Feb 2023
73
97
HMMT Feb 2024
75
96
HMMT Feb 2025
74
96
BRUMO 2025
76

Reasoning

Gemini 3.1 Pro

Gemini 3.1 Pro

94

Kimi K2.5

73

95
SimpleQA
74
93
MuSR
72

Frequently Asked Questions

Which is better, Gemini 3.1 Pro or Kimi K2.5?

Gemini 3.1 Pro scores higher overall with 87 vs 62, a difference of 25 points across all benchmarks.

Which is better for knowledge tasks, Gemini 3.1 Pro or Kimi K2.5?

Gemini 3.1 Pro leads in knowledge tasks with an average score of 96 vs 74.8.

Which is better for coding, Gemini 3.1 Pro or Kimi K2.5?

Gemini 3.1 Pro leads in coding with an average score of 91 vs 69.

Which is better for math, Gemini 3.1 Pro or Kimi K2.5?

Gemini 3.1 Pro leads in math with an average score of 97.1 vs 76.

Which is better for reasoning, Gemini 3.1 Pro or Kimi K2.5?

Gemini 3.1 Pro leads in reasoning with an average score of 94 vs 73.

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