GPT-4o vs Grok Code Fast 1

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

Quick Verdict

GPT-4o wins overall with a score of 56 vs 54 (2 point difference).GPT-4o wins 3 out of 4 categories.

Knowledge

GPT-4o

GPT-4o

64.5

Grok Code Fast 1

61.8

66
MMLU
64
66
GPQA
63
64
SuperGPQA
61
62
OpenBookQA
59

Coding

Grok Code Fast 1

GPT-4o

58

Grok Code Fast 1

60

58
HumanEval
60

Mathematics

GPT-4o

GPT-4o

65

Grok Code Fast 1

63

66
AIME 2023
64
68
AIME 2024
66
67
AIME 2025
65
62
HMMT Feb 2023
60
64
HMMT Feb 2024
62
63
HMMT Feb 2025
61
65
BRUMO 2025
63

Reasoning

GPT-4o

GPT-4o

63

Grok Code Fast 1

60

64
SimpleQA
61
62
MuSR
59

Frequently Asked Questions

Which is better, GPT-4o or Grok Code Fast 1?

GPT-4o scores higher overall with 56 vs 54, a difference of 2 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or Grok Code Fast 1?

GPT-4o leads in knowledge tasks with an average score of 64.5 vs 61.8.

Which is better for coding, GPT-4o or Grok Code Fast 1?

Grok Code Fast 1 leads in coding with an average score of 60 vs 58.

Which is better for math, GPT-4o or Grok Code Fast 1?

GPT-4o leads in math with an average score of 65 vs 63.

Which is better for reasoning, GPT-4o or Grok Code Fast 1?

GPT-4o leads in reasoning with an average score of 63 vs 60.