Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.1 wins overall with a score of 76 vs 74 (2 point difference).GPT-5.1 wins 4 out of 4 categories.
Claude Sonnet 4.5
92
GPT-5.1
94
Claude Sonnet 4.5
87
GPT-5.1
89
Claude Sonnet 4.5
96
GPT-5.1
97.1
Claude Sonnet 4.5
90
GPT-5.1
92
GPT-5.1 scores higher overall with 76 vs 74, a difference of 2 points across all benchmarks.
GPT-5.1 leads in knowledge tasks with an average score of 94 vs 92.
GPT-5.1 leads in coding with an average score of 89 vs 87.
GPT-5.1 leads in math with an average score of 97.1 vs 96.
GPT-5.1 leads in reasoning with an average score of 92 vs 90.