GPT-5.2 vs GPT-5.4 — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.2 vs GPT-5.4

3 shared benchmarks

1

wins

0

ties

2

wins

92.4%

GPQA Diamond

92.8%

27.8%

Humanity's Last Exam

36.24%

80.0%

SWE-bench Verified

77.2%