Claude Opus 4.6 vs GPT-5 — Who Actually Wins? Real Benchmark Data (2026)

head to head

Claude Opus 4.6 vs GPT-5

3 shared benchmarks

2

wins

0

ties

1

wins

100.0%

AIME

94.6%

72.0%

Aider Polyglot

88.0%

81.42%

SWE-bench Verified

74.9%