benchlm.ai

GPT-5 (high) vs Grok 3 [Beta]

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 33 (39 point difference).GPT-5 (high) wins 4 out of 4 categories.

GPT-5 (high)

CreatorOpenAI
TypeProprietary
Context128K
Score72

Grok 3 [Beta]

CreatorxAI
TypeProprietary
Context128K
Score33

Knowledge

GPT-5 (high)

GPT-5 (high)

90

Grok 3 [Beta]

39.8

93
MMLU
42
91
GPQA
41
89
SuperGPQA
39
87
OpenBookQA
37

Coding

GPT-5 (high)

GPT-5 (high)

85

Grok 3 [Beta]

34

85
HumanEval
34

Mathematics

GPT-5 (high)

GPT-5 (high)

94

Grok 3 [Beta]

41

95
AIME 2023
42
97
AIME 2024
44
96
AIME 2025
43
91
HMMT Feb 2023
38
93
HMMT Feb 2024
40
92
HMMT Feb 2025
39
94
BRUMO 2025
41

Reasoning

GPT-5 (high)

GPT-5 (high)

88

Grok 3 [Beta]

39

89
SimpleQA
40
87
MuSR
38

Frequently Asked Questions

Which is better, GPT-5 (high) or Grok 3 [Beta]?

GPT-5 (high) scores higher overall with 72 vs 33, a difference of 39 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 (high) or Grok 3 [Beta]?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 39.8.

Which is better for coding, GPT-5 (high) or Grok 3 [Beta]?

GPT-5 (high) leads in coding with an average score of 85 vs 34.

Which is better for math, GPT-5 (high) or Grok 3 [Beta]?

GPT-5 (high) leads in math with an average score of 94 vs 41.

Which is better for reasoning, GPT-5 (high) or Grok 3 [Beta]?

GPT-5 (high) leads in reasoning with an average score of 88 vs 39.

Related Comparisons

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