Qwen3 235B 2507 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 30 (40 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507

36.8

Qwen3.5 397B (Reasoning)

88

39
MMLU
91
38
GPQA
89
36
SuperGPQA
87
34
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507

31

Qwen3.5 397B (Reasoning)

83

31
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507

38

Qwen3.5 397B (Reasoning)

92

39
AIME 2023
93
41
AIME 2024
95
40
AIME 2025
94
35
HMMT Feb 2023
89
37
HMMT Feb 2024
91
36
HMMT Feb 2025
90
38
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507

36

Qwen3.5 397B (Reasoning)

86

37
SimpleQA
87
35
MuSR
85

Frequently Asked Questions

Which is better, Qwen3 235B 2507 or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 30, a difference of 40 points across all benchmarks.

Which is better for knowledge tasks, Qwen3 235B 2507 or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 36.8.

Which is better for coding, Qwen3 235B 2507 or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 31.

Which is better for math, Qwen3 235B 2507 or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 38.

Which is better for reasoning, Qwen3 235B 2507 or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 36.