DeepSeek LLM 2.0 vs o3

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

Quick Verdict

o3 wins overall with a score of 67 vs 63 (4 point difference).o3 wins 4 out of 4 categories.

Knowledge

o3

DeepSeek LLM 2.0

76.8

o3

85.3

79
MMLU
86
78
GPQA
87
76
SuperGPQA
85
74
OpenBookQA
83

Coding

o3

DeepSeek LLM 2.0

73

o3

78

73
HumanEval
78

Mathematics

o3

DeepSeek LLM 2.0

79

o3

87

80
AIME 2023
88
82
AIME 2024
90
81
AIME 2025
89
76
HMMT Feb 2023
84
78
HMMT Feb 2024
86
77
HMMT Feb 2025
85
79
BRUMO 2025
87

Reasoning

o3

DeepSeek LLM 2.0

76

o3

83

77
SimpleQA
84
75
MuSR
82

Frequently Asked Questions

Which is better, DeepSeek LLM 2.0 or o3?

o3 scores higher overall with 67 vs 63, a difference of 4 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek LLM 2.0 or o3?

o3 leads in knowledge tasks with an average score of 85.3 vs 76.8.

Which is better for coding, DeepSeek LLM 2.0 or o3?

o3 leads in coding with an average score of 78 vs 73.

Which is better for math, DeepSeek LLM 2.0 or o3?

o3 leads in math with an average score of 87 vs 79.

Which is better for reasoning, DeepSeek LLM 2.0 or o3?

o3 leads in reasoning with an average score of 83 vs 76.