Llama 3 70B vs o3-pro

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

Quick Verdict

o3-pro wins overall with a score of 68 vs 48 (20 point difference).o3-pro wins 4 out of 4 categories.

Knowledge

o3-pro

Llama 3 70B

56.5

o3-pro

87.3

58
MMLU
88
58
GPQA
89
56
SuperGPQA
87
54
OpenBookQA
85

Coding

o3-pro

Llama 3 70B

50

o3-pro

80

50
HumanEval
80

Mathematics

o3-pro

Llama 3 70B

57

o3-pro

89

58
AIME 2023
90
60
AIME 2024
92
59
AIME 2025
91
54
HMMT Feb 2023
86
56
HMMT Feb 2024
88
55
HMMT Feb 2025
87
57
BRUMO 2025
89

Reasoning

o3-pro

Llama 3 70B

55

o3-pro

85

56
SimpleQA
86
54
MuSR
84

Frequently Asked Questions

Which is better, Llama 3 70B or o3-pro?

o3-pro scores higher overall with 68 vs 48, a difference of 20 points across all benchmarks.

Which is better for knowledge tasks, Llama 3 70B or o3-pro?

o3-pro leads in knowledge tasks with an average score of 87.3 vs 56.5.

Which is better for coding, Llama 3 70B or o3-pro?

o3-pro leads in coding with an average score of 80 vs 50.

Which is better for math, Llama 3 70B or o3-pro?

o3-pro leads in math with an average score of 89 vs 57.

Which is better for reasoning, Llama 3 70B or o3-pro?

o3-pro leads in reasoning with an average score of 85 vs 55.