Gemini 2.5 Flash 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 41 (29 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

Gemini 2.5 Flash

47.8

Qwen3.5 397B (Reasoning)

88

50
MMLU
91
49
GPQA
89
47
SuperGPQA
87
45
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

Gemini 2.5 Flash

42

Qwen3.5 397B (Reasoning)

83

42
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

Gemini 2.5 Flash

49

Qwen3.5 397B (Reasoning)

92

50
AIME 2023
93
52
AIME 2024
95
51
AIME 2025
94
46
HMMT Feb 2023
89
48
HMMT Feb 2024
91
47
HMMT Feb 2025
90
49
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

Gemini 2.5 Flash

47

Qwen3.5 397B (Reasoning)

86

48
SimpleQA
87
46
MuSR
85

Frequently Asked Questions

Which is better, Gemini 2.5 Flash or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 41, a difference of 29 points across all benchmarks.

Which is better for knowledge tasks, Gemini 2.5 Flash or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 47.8.

Which is better for coding, Gemini 2.5 Flash or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 42.

Which is better for math, Gemini 2.5 Flash or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 49.

Which is better for reasoning, Gemini 2.5 Flash or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 47.