Claude 3 Opus 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 51 (19 point difference).Qwen3.5 397B (Reasoning) wins 4 out of 4 categories.

Knowledge

Qwen3.5 397B (Reasoning)

Claude 3 Opus

59.5

Qwen3.5 397B (Reasoning)

88

61
MMLU
91
61
GPQA
89
59
SuperGPQA
87
57
OpenBookQA
85

Coding

Qwen3.5 397B (Reasoning)

Claude 3 Opus

53

Qwen3.5 397B (Reasoning)

83

53
HumanEval
83

Mathematics

Qwen3.5 397B (Reasoning)

Claude 3 Opus

60

Qwen3.5 397B (Reasoning)

92

61
AIME 2023
93
63
AIME 2024
95
62
AIME 2025
94
57
HMMT Feb 2023
89
59
HMMT Feb 2024
91
58
HMMT Feb 2025
90
60
BRUMO 2025
92

Reasoning

Qwen3.5 397B (Reasoning)

Claude 3 Opus

58

Qwen3.5 397B (Reasoning)

86

59
SimpleQA
87
57
MuSR
85

Frequently Asked Questions

Which is better, Claude 3 Opus or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) scores higher overall with 70 vs 51, a difference of 19 points across all benchmarks.

Which is better for knowledge tasks, Claude 3 Opus or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in knowledge tasks with an average score of 88 vs 59.5.

Which is better for coding, Claude 3 Opus or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in coding with an average score of 83 vs 53.

Which is better for math, Claude 3 Opus or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in math with an average score of 92 vs 60.

Which is better for reasoning, Claude 3 Opus or Qwen3.5 397B (Reasoning)?

Qwen3.5 397B (Reasoning) leads in reasoning with an average score of 86 vs 58.