Claude 3 Opus vs Grok 4

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

Quick Verdict

Grok 4 wins overall with a score of 69 vs 51 (18 point difference).Grok 4 wins 4 out of 4 categories.

Knowledge

Grok 4

Claude 3 Opus

59.5

Grok 4

84.8

61
MMLU
87
61
GPQA
86
59
SuperGPQA
84
57
OpenBookQA
82

Coding

Grok 4

Claude 3 Opus

53

Grok 4

79

53
HumanEval
79

Mathematics

Grok 4

Claude 3 Opus

60

Grok 4

86.6

61
AIME 2023
87
63
AIME 2024
89
62
AIME 2025
88
57
HMMT Feb 2023
84
59
HMMT Feb 2024
86
58
HMMT Feb 2025
85
60
BRUMO 2025
87

Reasoning

Grok 4

Claude 3 Opus

58

Grok 4

82

59
SimpleQA
83
57
MuSR
81

Frequently Asked Questions

Which is better, Claude 3 Opus or Grok 4?

Grok 4 scores higher overall with 69 vs 51, a difference of 18 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Opus or Grok 4?

Grok 4 leads in knowledge tasks with an average score of 84.8 vs 59.5.

Which is better for coding, Claude 3 Opus or Grok 4?

Grok 4 leads in coding with an average score of 79 vs 53.

Which is better for math, Claude 3 Opus or Grok 4?

Grok 4 leads in math with an average score of 86.6 vs 60.

Which is better for reasoning, Claude 3 Opus or Grok 4?

Grok 4 leads in reasoning with an average score of 82 vs 58.