DeepSeek LLM 2.0 vs GPT-5 (high)

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

Quick Verdict

GPT-5 (high) wins overall with a score of 72 vs 63 (9 point difference).GPT-5 (high) wins 4 out of 4 categories.

Knowledge

GPT-5 (high)

DeepSeek LLM 2.0

76.8

GPT-5 (high)

90

79
MMLU
93
78
GPQA
91
76
SuperGPQA
89
74
OpenBookQA
87

Coding

GPT-5 (high)

DeepSeek LLM 2.0

73

GPT-5 (high)

85

73
HumanEval
85

Mathematics

GPT-5 (high)

DeepSeek LLM 2.0

79

GPT-5 (high)

94

80
AIME 2023
95
82
AIME 2024
97
81
AIME 2025
96
76
HMMT Feb 2023
91
78
HMMT Feb 2024
93
77
HMMT Feb 2025
92
79
BRUMO 2025
94

Reasoning

GPT-5 (high)

DeepSeek LLM 2.0

76

GPT-5 (high)

88

77
SimpleQA
89
75
MuSR
87

Frequently Asked Questions

Which is better, DeepSeek LLM 2.0 or GPT-5 (high)?

GPT-5 (high) scores higher overall with 72 vs 63, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, DeepSeek LLM 2.0 or GPT-5 (high)?

GPT-5 (high) leads in knowledge tasks with an average score of 90 vs 76.8.

Which is better for coding, DeepSeek LLM 2.0 or GPT-5 (high)?

GPT-5 (high) leads in coding with an average score of 85 vs 73.

Which is better for math, DeepSeek LLM 2.0 or GPT-5 (high)?

GPT-5 (high) leads in math with an average score of 94 vs 79.

Which is better for reasoning, DeepSeek LLM 2.0 or GPT-5 (high)?

GPT-5 (high) leads in reasoning with an average score of 88 vs 76.