Home/Head-to-Head/Claude Sonnet 4.5 vs GPT-5.1

Claude Sonnet 4.5 vs GPT-5.1

22 head-to-head matchups on identical queries

Claude Sonnet 4.5
8.40
1 Wins 14 Ties 7 Losses
VS
GPT-5.1
8.52
7 Wins 14 Ties 1 Losses
Metric-by-Metric Comparison