Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
o3 wins overall with a score of 67 vs 22 (45 point difference).o3 wins 4 out of 4 categories.
GPT-OSS 20B
28.8
o3
85.3
GPT-OSS 20B
23
o3
78
GPT-OSS 20B
30
o3
87
GPT-OSS 20B
28
o3
83
o3 scores higher overall with 67 vs 22, a difference of 45 points across all benchmarks.
o3 leads in knowledge tasks with an average score of 85.3 vs 28.8.
o3 leads in coding with an average score of 78 vs 23.
o3 leads in math with an average score of 87 vs 30.
o3 leads in reasoning with an average score of 83 vs 28.