benchlm.ai

Claude Opus 4.6 vs Qwen3.5 397B

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

Quick Verdict

Claude Opus 4.6 wins overall with a score of 86 vs 65 (21 point difference).Claude Opus 4.6 wins 4 out of 4 categories.

Claude Opus 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score86

Qwen3.5 397B

CreatorAlibaba
TypeOpen Weight
Context128K
Score65

Knowledge

Claude Opus 4.6

Claude Opus 4.6

96

Qwen3.5 397B

80.8

99
MMLU
83
97
GPQA
82
95
SuperGPQA
80
93
OpenBookQA
78

Coding

Claude Opus 4.6

Claude Opus 4.6

91

Qwen3.5 397B

75

91
HumanEval
75

Mathematics

Claude Opus 4.6

Claude Opus 4.6

97.1

Qwen3.5 397B

82

99
AIME 2023
83
99
AIME 2024
85
98
AIME 2025
84
95
HMMT Feb 2023
79
97
HMMT Feb 2024
81
96
HMMT Feb 2025
80
96
BRUMO 2025
82

Reasoning

Claude Opus 4.6

Claude Opus 4.6

94

Qwen3.5 397B

79

95
SimpleQA
80
93
MuSR
78

Frequently Asked Questions

Which is better, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 scores higher overall with 86 vs 65, a difference of 21 points across all benchmarks.

Which is better for knowledge tasks, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 leads in knowledge tasks with an average score of 96 vs 80.8.

Which is better for coding, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 leads in coding with an average score of 91 vs 75.

Which is better for math, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 leads in math with an average score of 97.1 vs 82.

Which is better for reasoning, Claude Opus 4.6 or Qwen3.5 397B?

Claude Opus 4.6 leads in reasoning with an average score of 94 vs 79.

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