benchlm.ai

Claude 4 Sonnet vs Grok Code Fast 1

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 54 (5 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Claude 4 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score59

Grok Code Fast 1

CreatorxAI
TypeProprietary
Context256K
Score54

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

71.5

Grok Code Fast 1

61.8

73
MMLU
64
73
GPQA
63
71
SuperGPQA
61
69
OpenBookQA
59

Coding

Claude 4 Sonnet

Claude 4 Sonnet

65

Grok Code Fast 1

60

65
HumanEval
60

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

72

Grok Code Fast 1

63

73
AIME 2023
64
75
AIME 2024
66
74
AIME 2025
65
69
HMMT Feb 2023
60
71
HMMT Feb 2024
62
70
HMMT Feb 2025
61
72
BRUMO 2025
63

Reasoning

Claude 4 Sonnet

Claude 4 Sonnet

70

Grok Code Fast 1

60

71
SimpleQA
61
69
MuSR
59

Frequently Asked Questions

Which is better, Claude 4 Sonnet or Grok Code Fast 1?

Claude 4 Sonnet scores higher overall with 59 vs 54, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or Grok Code Fast 1?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 61.8.

Which is better for coding, Claude 4 Sonnet or Grok Code Fast 1?

Claude 4 Sonnet leads in coding with an average score of 65 vs 60.

Which is better for math, Claude 4 Sonnet or Grok Code Fast 1?

Claude 4 Sonnet leads in math with an average score of 72 vs 63.

Which is better for reasoning, Claude 4 Sonnet or Grok Code Fast 1?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 60.

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