benchlm.ai

Claude Haiku 4.5 vs Grok 4

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

Quick Verdict

Grok 4 wins overall with a score of 69 vs 57 (12 point difference).Grok 4 wins 4 out of 4 categories.

Claude Haiku 4.5

CreatorAnthropic
TypeProprietary
Context200K
Score57

Grok 4

CreatorxAI
TypeProprietary
Context128K
Score69

Knowledge

Grok 4

Claude Haiku 4.5

65.8

Grok 4

84.8

68
MMLU
87
67
GPQA
86
65
SuperGPQA
84
63
OpenBookQA
82

Coding

Grok 4

Claude Haiku 4.5

60

Grok 4

79

60
HumanEval
79

Mathematics

Grok 4

Claude Haiku 4.5

67

Grok 4

86.6

68
AIME 2023
87
70
AIME 2024
89
69
AIME 2025
88
64
HMMT Feb 2023
84
66
HMMT Feb 2024
86
65
HMMT Feb 2025
85
67
BRUMO 2025
87

Reasoning

Grok 4

Claude Haiku 4.5

64

Grok 4

82

65
SimpleQA
83
63
MuSR
81

Frequently Asked Questions

Which is better, Claude Haiku 4.5 or Grok 4?

Grok 4 scores higher overall with 69 vs 57, a difference of 12 points across all benchmarks.

Which is better for knowledge tasks, Claude Haiku 4.5 or Grok 4?

Grok 4 leads in knowledge tasks with an average score of 84.8 vs 65.8.

Which is better for coding, Claude Haiku 4.5 or Grok 4?

Grok 4 leads in coding with an average score of 79 vs 60.

Which is better for math, Claude Haiku 4.5 or Grok 4?

Grok 4 leads in math with an average score of 86.6 vs 67.

Which is better for reasoning, Claude Haiku 4.5 or Grok 4?

Grok 4 leads in reasoning with an average score of 82 vs 64.

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