GPT-5.4 vs Qwen3.5 27B — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.4 vs Qwen3.5 27B

6 shared benchmarks

6

wins

0

ties

0

wins

82.7%

BrowseComp

61.0%

92.8%

GPQA Diamond

85.5%

36.24%

Humanity's Last Exam

24.3%

81.2%

MMMU Pro

75.0%

75.0%

OSWorld

56.2%

77.2%

SWE-bench Verified

72.4%