GPT-4o vs Qwen3.5 397B

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

Quick Verdict

Qwen3.5 397B wins overall with a score of 65 vs 56 (9 point difference).Qwen3.5 397B wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B

GPT-4o

64.5

Qwen3.5 397B

80.8

66
MMLU
83
66
GPQA
82
64
SuperGPQA
80
62
OpenBookQA
78

Coding

Qwen3.5 397B

GPT-4o

58

Qwen3.5 397B

75

58
HumanEval
75

Mathematics

Qwen3.5 397B

GPT-4o

65

Qwen3.5 397B

82

66
AIME 2023
83
68
AIME 2024
85
67
AIME 2025
84
62
HMMT Feb 2023
79
64
HMMT Feb 2024
81
63
HMMT Feb 2025
80
65
BRUMO 2025
82

Reasoning

Qwen3.5 397B

GPT-4o

63

Qwen3.5 397B

79

64
SimpleQA
80
62
MuSR
78

Frequently Asked Questions

Which is better, GPT-4o or Qwen3.5 397B?

Qwen3.5 397B scores higher overall with 65 vs 56, a difference of 9 points across all benchmarks.

Which is better for knowledge tasks, GPT-4o or Qwen3.5 397B?

Qwen3.5 397B leads in knowledge tasks with an average score of 80.8 vs 64.5.

Which is better for coding, GPT-4o or Qwen3.5 397B?

Qwen3.5 397B leads in coding with an average score of 75 vs 58.

Which is better for math, GPT-4o or Qwen3.5 397B?

Qwen3.5 397B leads in math with an average score of 82 vs 65.

Which is better for reasoning, GPT-4o or Qwen3.5 397B?

Qwen3.5 397B leads in reasoning with an average score of 79 vs 63.