o4-mini (high) 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 65 (5 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

o4-mini (high)

80.5

Qwen3.5 397B (Reasoning)

88

82
MMLU
91
82
GPQA
89
80
SuperGPQA
87
78
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

o4-mini (high)

74

Qwen3.5 397B (Reasoning)

83

74
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

o4-mini (high)

82

Qwen3.5 397B (Reasoning)

92

83
AIME 2023
93
85
AIME 2024
95
84
AIME 2025
94
79
HMMT Feb 2023
89
81
HMMT Feb 2024
91
80
HMMT Feb 2025
90
82
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

o4-mini (high)

79

Qwen3.5 397B (Reasoning)

86

80
SimpleQA
87
78
MuSR
85

Frequently Asked Questions

Which is better, o4-mini (high) or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 65, a difference of 5 points across all benchmarks.

Which is better for knowledge tasks, o4-mini (high) or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 80.5.

Which is better for coding, o4-mini (high) or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 74.

Which is better for math, o4-mini (high) or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 82.

Which is better for reasoning, o4-mini (high) or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 79.