Qwen3 235B 2507 (Reasoning) 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 31 (39 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507 (Reasoning)

37.8

Qwen3.5 397B (Reasoning)

88

40
MMLU
91
39
GPQA
89
37
SuperGPQA
87
35
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507 (Reasoning)

32

Qwen3.5 397B (Reasoning)

83

32
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507 (Reasoning)

39

Qwen3.5 397B (Reasoning)

92

40
AIME 2023
93
42
AIME 2024
95
41
AIME 2025
94
36
HMMT Feb 2023
89
38
HMMT Feb 2024
91
37
HMMT Feb 2025
90
39
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

Qwen3 235B 2507 (Reasoning)

37

Qwen3.5 397B (Reasoning)

86

38
SimpleQA
87
36
MuSR
85

Frequently Asked Questions

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

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 31, a difference of 39 points across all benchmarks.

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

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 37.8.

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

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 32.

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

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 39.

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

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 37.