Claude Opus 4.6 vs Grok 4

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

Quick Verdict

Claude Opus 4.6 wins overall with a score of 86 vs 69 (17 point difference).Claude Opus 4.6 wins 4 out of 4 categories.

Knowledge

Claude Opus 4.6

Claude Opus 4.6

96

Grok 4

84.8

99
MMLU
87
97
GPQA
86
95
SuperGPQA
84
93
OpenBookQA
82

Coding

Claude Opus 4.6

Claude Opus 4.6

91

Grok 4

79

91
HumanEval
79

Mathematics

Claude Opus 4.6

Claude Opus 4.6

97.1

Grok 4

86.6

99
AIME 2023
87
99
AIME 2024
89
98
AIME 2025
88
95
HMMT Feb 2023
84
97
HMMT Feb 2024
86
96
HMMT Feb 2025
85
96
BRUMO 2025
87

Reasoning

Claude Opus 4.6

Claude Opus 4.6

94

Grok 4

82

95
SimpleQA
83
93
MuSR
81

Frequently Asked Questions

Which is better, Claude Opus 4.6 or Grok 4?

Claude Opus 4.6 scores higher overall with 86 vs 69, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.6 or Grok 4?

Claude Opus 4.6 leads in knowledge tasks with an average score of 96 vs 84.8.

Which is better for coding, Claude Opus 4.6 or Grok 4?

Claude Opus 4.6 leads in coding with an average score of 91 vs 79.

Which is better for math, Claude Opus 4.6 or Grok 4?

Claude Opus 4.6 leads in math with an average score of 97.1 vs 86.6.

Which is better for reasoning, Claude Opus 4.6 or Grok 4?

Claude Opus 4.6 leads in reasoning with an average score of 94 vs 82.