Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.1 wins overall with a score of 76 vs 71 (5 point difference).GPT-5.1 wins 4 out of 4 categories.
GPT-5.1
94
Kimi K2.5 (Reasoning)
89
GPT-5.1
89
Kimi K2.5 (Reasoning)
84
GPT-5.1
97.1
Kimi K2.5 (Reasoning)
93
GPT-5.1
92
Kimi K2.5 (Reasoning)
87
GPT-5.1 scores higher overall with 76 vs 71, a difference of 5 points across all benchmarks.
GPT-5.1 leads in knowledge tasks with an average score of 94 vs 89.
GPT-5.1 leads in coding with an average score of 89 vs 84.
GPT-5.1 leads in math with an average score of 97.1 vs 93.
GPT-5.1 leads in reasoning with an average score of 92 vs 87.