benchlm.ai

Claude 3.5 Sonnet vs Grok Code Fast 1

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

Quick Verdict

Claude 3.5 Sonnet wins overall with a score of 55 vs 54 (1 point difference).Claude 3.5 Sonnet wins 3 out of 4 categories.

Claude 3.5 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score55

Grok Code Fast 1

CreatorxAI
TypeProprietary
Context256K
Score54

Knowledge

Claude 3.5 Sonnet

Claude 3.5 Sonnet

63.5

Grok Code Fast 1

61.8

65
MMLU
64
65
GPQA
63
63
SuperGPQA
61
61
OpenBookQA
59

Coding

Grok Code Fast 1

Claude 3.5 Sonnet

57

Grok Code Fast 1

60

57
HumanEval
60

Mathematics

Claude 3.5 Sonnet

Claude 3.5 Sonnet

64

Grok Code Fast 1

63

65
AIME 2023
64
67
AIME 2024
66
66
AIME 2025
65
61
HMMT Feb 2023
60
63
HMMT Feb 2024
62
62
HMMT Feb 2025
61
64
BRUMO 2025
63

Reasoning

Claude 3.5 Sonnet

Claude 3.5 Sonnet

62

Grok Code Fast 1

60

63
SimpleQA
61
61
MuSR
59

Frequently Asked Questions

Which is better, Claude 3.5 Sonnet or Grok Code Fast 1?

Claude 3.5 Sonnet scores higher overall with 55 vs 54, a difference of 1 points across all benchmarks.

Which is better for knowledge tasks, Claude 3.5 Sonnet or Grok Code Fast 1?

Claude 3.5 Sonnet leads in knowledge tasks with an average score of 63.5 vs 61.8.

Which is better for coding, Claude 3.5 Sonnet or Grok Code Fast 1?

Grok Code Fast 1 leads in coding with an average score of 60 vs 57.

Which is better for math, Claude 3.5 Sonnet or Grok Code Fast 1?

Claude 3.5 Sonnet leads in math with an average score of 64 vs 63.

Which is better for reasoning, Claude 3.5 Sonnet or Grok Code Fast 1?

Claude 3.5 Sonnet leads in reasoning with an average score of 62 vs 60.

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