Moonshot v1 vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 44 (23 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

Moonshot v1

50.8

o3

85.3

53
MMLU
86
52
GPQA
87
50
SuperGPQA
85
48
OpenBookQA
83

Coding

o3

Moonshot v1

45

o3

78

45
HumanEval
78

Mathematics

o3

Moonshot v1

52

o3

87

53
AIME 2023
88
55
AIME 2024
90
54
AIME 2025
89
49
HMMT Feb 2023
84
51
HMMT Feb 2024
86
50
HMMT Feb 2025
85
52
BRUMO 2025
87

Reasoning

o3

Moonshot v1

50

o3

83

51
SimpleQA
84
49
MuSR
82

Frequently Asked Questions

Which is better, Moonshot v1 or o3?

o3 scores higher overall with 67 vs 44, a difference of 23 points across all benchmarks.

Which is better for knowledge tasks, Moonshot v1 or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 50.8.

Which is better for coding, Moonshot v1 or o3?

o3 leads in coding with an average score of 78 vs 45.

Which is better for math, Moonshot v1 or o3?

o3 leads in math with an average score of 87 vs 52.

Which is better for reasoning, Moonshot v1 or o3?

o3 leads in reasoning with an average score of 83 vs 50.