GPT-4 Turbo vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 50 (17 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

GPT-4 Turbo

58.5

o3

85.3

60
MMLU
86
60
GPQA
87
58
SuperGPQA
85
56
OpenBookQA
83

Coding

o3

GPT-4 Turbo

52

o3

78

52
HumanEval
78

Mathematics

o3

GPT-4 Turbo

59

o3

87

60
AIME 2023
88
62
AIME 2024
90
61
AIME 2025
89
56
HMMT Feb 2023
84
58
HMMT Feb 2024
86
57
HMMT Feb 2025
85
59
BRUMO 2025
87

Reasoning

o3

GPT-4 Turbo

57

o3

83

58
SimpleQA
84
56
MuSR
82

Frequently Asked Questions

Which is better, GPT-4 Turbo or o3?

o3 scores higher overall with 67 vs 50, a difference of 17 points across all benchmarks.

Which is better for knowledge tasks, GPT-4 Turbo or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 58.5.

Which is better for coding, GPT-4 Turbo or o3?

o3 leads in coding with an average score of 78 vs 52.

Which is better for math, GPT-4 Turbo or o3?

o3 leads in math with an average score of 87 vs 59.

Which is better for reasoning, GPT-4 Turbo or o3?

o3 leads in reasoning with an average score of 83 vs 57.