Nova Pro vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 32 (35 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

Nova Pro

38.8

o3

85.3

41
MMLU
86
40
GPQA
87
38
SuperGPQA
85
36
OpenBookQA
83

Coding

o3

Nova Pro

33

o3

78

33
HumanEval
78

Mathematics

o3

Nova Pro

40

o3

87

41
AIME 2023
88
43
AIME 2024
90
42
AIME 2025
89
37
HMMT Feb 2023
84
39
HMMT Feb 2024
86
38
HMMT Feb 2025
85
40
BRUMO 2025
87

Reasoning

o3

Nova Pro

38

o3

83

39
SimpleQA
84
37
MuSR
82

Frequently Asked Questions

Which is better, Nova Pro or o3?

o3 scores higher overall with 67 vs 32, a difference of 35 points across all benchmarks.

Which is better for knowledge tasks, Nova Pro or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 38.8.

Which is better for coding, Nova Pro or o3?

o3 leads in coding with an average score of 78 vs 33.

Which is better for math, Nova Pro or o3?

o3 leads in math with an average score of 87 vs 40.

Which is better for reasoning, Nova Pro or o3?

o3 leads in reasoning with an average score of 83 vs 38.