Qwen3.5 27B vs Claude Sonnet 4.6 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Qwen3.5 27B vs Claude Sonnet 4.6

6 shared benchmarks

1

wins

0

ties

5

wins

90.83%

AIME

94.0%

61.0%

BrowseComp

74.0%

85.5%

GPQA Diamond

89.9%

86.1%

MMLU Pro

79.2%

56.2%

OSWorld

72.5%

72.4%

SWE-bench Verified

79.6%