Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.2 wins overall with a score of 83 vs 22 (61 point difference).GPT-5.2 wins 4 out of 4 categories.
GPT-5.2
96
GPT-OSS 20B
28.8
GPT-5.2
91
GPT-OSS 20B
23
GPT-5.2
97.1
GPT-OSS 20B
30
GPT-5.2
94
GPT-OSS 20B
28
GPT-5.2 scores higher overall with 83 vs 22, a difference of 61 points across all benchmarks.
GPT-5.2 leads in knowledge tasks with an average score of 96 vs 28.8.
GPT-5.2 leads in coding with an average score of 91 vs 23.
GPT-5.2 leads in math with an average score of 97.1 vs 30.
GPT-5.2 leads in reasoning with an average score of 94 vs 28.