Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.2 wins overall with a score of 83 vs 57 (26 point difference).GPT-5.2 wins 4 out of 4 categories.
Claude Haiku 4.5
65.8
GPT-5.2
96
Claude Haiku 4.5
60
GPT-5.2
91
Claude Haiku 4.5
67
GPT-5.2
97.1
Claude Haiku 4.5
64
GPT-5.2
94
GPT-5.2 scores higher overall with 83 vs 57, a difference of 26 points across all benchmarks.
GPT-5.2 leads in knowledge tasks with an average score of 96 vs 65.8.
GPT-5.2 leads in coding with an average score of 91 vs 60.
GPT-5.2 leads in math with an average score of 97.1 vs 67.
GPT-5.2 leads in reasoning with an average score of 94 vs 64.