GPT-5 mini vs Qwen3.5 397B (Reasoning)

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

Quick Verdict

Qwen3.5 397B (Reasoning) wins overall with a score of 70 vs 68 (2 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

GPT-5 mini

85

Qwen3.5 397B (Reasoning)

88

88
MMLU
91
86
GPQA
89
84
SuperGPQA
87
82
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

GPT-5 mini

80

Qwen3.5 397B (Reasoning)

83

80
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

GPT-5 mini

89

Qwen3.5 397B (Reasoning)

92

90
AIME 2023
93
92
AIME 2024
95
91
AIME 2025
94
86
HMMT Feb 2023
89
88
HMMT Feb 2024
91
87
HMMT Feb 2025
90
89
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

GPT-5 mini

83

Qwen3.5 397B (Reasoning)

86

84
SimpleQA
87
82
MuSR
85

Frequently Asked Questions

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

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 68, a difference of 2 points across all benchmarks.

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

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 85.

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

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 80.

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

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 89.

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

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 83.