GPT-5 mini vs Qwen3.5 397B

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

Quick Verdict

GPT-5 mini wins overall with a score of 68 vs 65 (3 point difference).GPT-5 mini wins 4 out of 4 categories.

Knowledge

GPT-5 mini

GPT-5 mini

85

Qwen3.5 397B

80.8

88
MMLU
83
86
GPQA
82
84
SuperGPQA
80
82
OpenBookQA
78

Coding

GPT-5 mini

GPT-5 mini

80

Qwen3.5 397B

75

80
HumanEval
75

Mathematics

GPT-5 mini

GPT-5 mini

89

Qwen3.5 397B

82

90
AIME 2023
83
92
AIME 2024
85
91
AIME 2025
84
86
HMMT Feb 2023
79
88
HMMT Feb 2024
81
87
HMMT Feb 2025
80
89
BRUMO 2025
82

Reasoning

GPT-5 mini

GPT-5 mini

83

Qwen3.5 397B

79

84
SimpleQA
80
82
MuSR
78

Frequently Asked Questions

Which is better, GPT-5 mini or Qwen3.5 397B?

GPT-5 mini scores higher overall with 68 vs 65, a difference of 3 points across all benchmarks.

Which is better for knowledge tasks, GPT-5 mini or Qwen3.5 397B?

GPT-5 mini leads in knowledge tasks with an average score of 85 vs 80.8.

Which is better for coding, GPT-5 mini or Qwen3.5 397B?

GPT-5 mini leads in coding with an average score of 80 vs 75.

Which is better for math, GPT-5 mini or Qwen3.5 397B?

GPT-5 mini leads in math with an average score of 89 vs 82.

Which is better for reasoning, GPT-5 mini or Qwen3.5 397B?

GPT-5 mini leads in reasoning with an average score of 83 vs 79.