benchlm.ai

Claude Sonnet 4.6 vs Qwen3.5 397B

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

Quick Verdict

Claude Sonnet 4.6 wins overall with a score of 80 vs 65 (15 point difference).Claude Sonnet 4.6 wins 4 out of 4 categories.

Claude Sonnet 4.6

CreatorAnthropic
TypeProprietary
Context1M
Score80

Qwen3.5 397B

CreatorAlibaba
TypeOpen Weight
Context128K
Score65

Knowledge

Claude Sonnet 4.6

Claude Sonnet 4.6

96

Qwen3.5 397B

80.8

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

Coding

Claude Sonnet 4.6

Claude Sonnet 4.6

93

Qwen3.5 397B

75

93
HumanEval
75

Mathematics

Claude Sonnet 4.6

Claude Sonnet 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 Sonnet 4.6

Claude Sonnet 4.6

94

Qwen3.5 397B

79

95
SimpleQA
80
93
MuSR
78

Frequently Asked Questions

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

Claude Sonnet 4.6 scores higher overall with 80 vs 65, a difference of 15 points across all benchmarks.

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

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

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

Claude Sonnet 4.6 leads in coding with an average score of 93 vs 75.

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

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

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

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

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