Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.1 wins overall with a score of 76 vs 62 (14 point difference).GPT-5.1 wins 4 out of 4 categories.
GPT-5.1
94
Kimi K2.5
74.8
GPT-5.1
89
Kimi K2.5
69
GPT-5.1
97.1
Kimi K2.5
76
GPT-5.1
92
Kimi K2.5
73
GPT-5.1 scores higher overall with 76 vs 62, a difference of 14 points across all benchmarks.
GPT-5.1 leads in knowledge tasks with an average score of 94 vs 74.8.
GPT-5.1 leads in coding with an average score of 89 vs 69.
GPT-5.1 leads in math with an average score of 97.1 vs 76.
GPT-5.1 leads in reasoning with an average score of 92 vs 73.