benchlm.ai

Claude Haiku 4.5 vs Kimi K2.5

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

Quick Verdict

Kimi K2.5 wins overall with a score of 62 vs 57 (5 point difference).Kimi K2.5 wins 4 out of 4 categories.

Claude Haiku 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score57

Kimi K2.5

CreatorMoonshot AI
TypeOpen Weight
Context128K
Score62

Knowledge

Kimi K2.5

Claude Haiku 4.5

65.8

Kimi K2.5

74.8

68
MMLU
77
67
GPQA
76
65
SuperGPQA
74
63
OpenBookQA
72

Coding

Kimi K2.5

Claude Haiku 4.5

60

Kimi K2.5

69

60
HumanEval
69

Mathematics

Kimi K2.5

Claude Haiku 4.5

67

Kimi K2.5

76

68
AIME 2023
77
70
AIME 2024
79
69
AIME 2025
78
64
HMMT Feb 2023
73
66
HMMT Feb 2024
75
65
HMMT Feb 2025
74
67
BRUMO 2025
76

Reasoning

Kimi K2.5

Claude Haiku 4.5

64

Kimi K2.5

73

65
SimpleQA
74
63
MuSR
72

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or Kimi K2.5?

Kimi K2.5 scores higher overall with 62 vs 57, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or Kimi K2.5?

Kimi K2.5 leads in knowledge tasks with an average score of 74.8 vs 65.8.

Which is better for coding, Claude Haiku 4.5 or Kimi K2.5?

Kimi K2.5 leads in coding with an average score of 69 vs 60.

Which is better for math, Claude Haiku 4.5 or Kimi K2.5?

Kimi K2.5 leads in math with an average score of 76 vs 67.

Which is better for reasoning, Claude Haiku 4.5 or Kimi K2.5?

Kimi K2.5 leads in reasoning with an average score of 73 vs 64.

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