Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
o3 wins overall with a score of 67 vs 42 (25 point difference).o3 wins 4 out of 4 categories.
GPT-OSS 120B
48.8
o3
85.3
GPT-OSS 120B
43
o3
78
GPT-OSS 120B
50
o3
87
GPT-OSS 120B
48
o3
83
o3 scores higher overall with 67 vs 42, a difference of 25 points across all benchmarks.
o3 leads in knowledge tasks with an average score of 85.3 vs 48.8.
o3 leads in coding with an average score of 78 vs 43.
o3 leads in math with an average score of 87 vs 50.
o3 leads in reasoning with an average score of 83 vs 48.