Claude Sonnet 4.6 vs Grok 3 [Beta]

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

Quick Verdict

Claude Sonnet 4.6 wins overall with a score of 80 vs 33 (47 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

96

Grok 3 [Beta]

39.8

99
MMLU
42
97
GPQA
41
95
SuperGPQA
39
93
OpenBookQA
37

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

93

Grok 3 [Beta]

34

93
HumanEval
34

Mathematics

Claude Sonnet 4.6

Claude Sonnet 4.6

97.1

Grok 3 [Beta]

41

99
AIME 2023
42
99
AIME 2024
44
98
AIME 2025
43
95
HMMT Feb 2023
38
97
HMMT Feb 2024
40
96
HMMT Feb 2025
39
96
BRUMO 2025
41

Reasoning

Claude Sonnet 4.6

Claude Sonnet 4.6

94

Grok 3 [Beta]

39

95
SimpleQA
40
93
MuSR
38

Frequently Asked Questions

Which is better, Claude Sonnet 4.6 or Grok 3 [Beta]?

Claude Sonnet 4.6 scores higher overall with 80 vs 33, a difference of 47 points across all benchmarks.

Which is better for knowledge tasks, Claude Sonnet 4.6 or Grok 3 [Beta]?

Claude Sonnet 4.6 leads in knowledge tasks with an average score of 96 vs 39.8.

Which is better for coding, Claude Sonnet 4.6 or Grok 3 [Beta]?

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 34.

Which is better for math, Claude Sonnet 4.6 or Grok 3 [Beta]?

Claude Sonnet 4.6 leads in math with an average score of 97.1 vs 41.

Which is better for reasoning, Claude Sonnet 4.6 or Grok 3 [Beta]?

Claude Sonnet 4.6 leads in reasoning with an average score of 94 vs 39.