Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.1 wins overall with a score of 76 vs 43 (33 point difference).GPT-5.1 wins 4 out of 4 categories.
GPT-5.1
94
Z-1
49.8
GPT-5.1
89
Z-1
44
GPT-5.1
97.1
Z-1
51
GPT-5.1
92
Z-1
49
GPT-5.1 scores higher overall with 76 vs 43, a difference of 33 points across all benchmarks.
GPT-5.1 leads in knowledge tasks with an average score of 94 vs 49.8.
GPT-5.1 leads in coding with an average score of 89 vs 44.
GPT-5.1 leads in math with an average score of 97.1 vs 51.
GPT-5.1 leads in reasoning with an average score of 92 vs 49.