GPT-4o vs Grok 3 [Beta]

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 33 (23 point difference).GPT-4o wins 4 out of 4 categories.

Knowledge

GPT-4o

GPT-4o

64.5

Grok 3 [Beta]

39.8

66
MMLU
42
66
GPQA
41
64
SuperGPQA
39
62
OpenBookQA
37

Coding

GPT-4o

GPT-4o

58

Grok 3 [Beta]

34

58
HumanEval
34

Mathematics

GPT-4o

GPT-4o

65

Grok 3 [Beta]

41

66
AIME 2023
42
68
AIME 2024
44
67
AIME 2025
43
62
HMMT Feb 2023
38
64
HMMT Feb 2024
40
63
HMMT Feb 2025
39
65
BRUMO 2025
41

Reasoning

GPT-4o

GPT-4o

63

Grok 3 [Beta]

39

64
SimpleQA
40
62
MuSR
38

Frequently Asked Questions

Which is better, GPT-4o or Grok 3 [Beta]?

GPT-4o scores higher overall with 56 vs 33, a difference of 23 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or Grok 3 [Beta]?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 39.8.

Which is better for coding, GPT-4o or Grok 3 [Beta]?

GPT-4o leads in coding with an average score of 58 vs 34.

Which is better for math, GPT-4o or Grok 3 [Beta]?

GPT-4o leads in math with an average score of 65 vs 41.

Which is better for reasoning, GPT-4o or Grok 3 [Beta]?

GPT-4o leads in reasoning with an average score of 63 vs 39.