benchlm.ai

Claude 4 Sonnet vs Grok 3 [Beta]

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

Quick Verdict

Claude 4 Sonnet wins overall with a score of 59 vs 33 (26 point difference).Claude 4 Sonnet wins 4 out of 4 categories.

Claude 4 Sonnet

CreatorAnthropic
TypeProprietary
Context200K
Score59

Grok 3 [Beta]

CreatorxAI
TypeProprietary
Context128K
Score33

Knowledge

Claude 4 Sonnet

Claude 4 Sonnet

71.5

Grok 3 [Beta]

39.8

73
MMLU
42
73
GPQA
41
71
SuperGPQA
39
69
OpenBookQA
37

Coding

Claude 4 Sonnet

Claude 4 Sonnet

65

Grok 3 [Beta]

34

65
HumanEval
34

Mathematics

Claude 4 Sonnet

Claude 4 Sonnet

72

Grok 3 [Beta]

41

73
AIME 2023
42
75
AIME 2024
44
74
AIME 2025
43
69
HMMT Feb 2023
38
71
HMMT Feb 2024
40
70
HMMT Feb 2025
39
72
BRUMO 2025
41

Reasoning

Claude 4 Sonnet

Claude 4 Sonnet

70

Grok 3 [Beta]

39

71
SimpleQA
40
69
MuSR
38

Frequently Asked Questions

Which is better, Claude 4 Sonnet or Grok 3 [Beta]?

Claude 4 Sonnet scores higher overall with 59 vs 33, a difference of 26 points across all benchmarks.

Which is better for knowledge tasks, Claude 4 Sonnet or Grok 3 [Beta]?

Claude 4 Sonnet leads in knowledge tasks with an average score of 71.5 vs 39.8.

Which is better for coding, Claude 4 Sonnet or Grok 3 [Beta]?

Claude 4 Sonnet leads in coding with an average score of 65 vs 34.

Which is better for math, Claude 4 Sonnet or Grok 3 [Beta]?

Claude 4 Sonnet leads in math with an average score of 72 vs 41.

Which is better for reasoning, Claude 4 Sonnet or Grok 3 [Beta]?

Claude 4 Sonnet leads in reasoning with an average score of 70 vs 39.

Related Comparisons

Claude 4 Sonnet vs GPT-5.4Claude 4 Sonnet vs Gemini 3.1 ProClaude 4 Sonnet vs Claude Opus 4.6Claude 4 Sonnet vs GPT-5.3 CodexClaude 4 Sonnet vs Grok 4.1Claude 4 Sonnet vs GPT-5.2