Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.3 Codex wins overall with a score of 85 vs 47 (38 point difference).GPT-5.3 Codex wins 4 out of 4 categories.
GPT-5.3 Codex
96
Nemotron 3 Nano 30B
54.8
GPT-5.3 Codex
95
Nemotron 3 Nano 30B
49
GPT-5.3 Codex
97.1
Nemotron 3 Nano 30B
56
GPT-5.3 Codex
94
Nemotron 3 Nano 30B
53
GPT-5.3 Codex scores higher overall with 85 vs 47, a difference of 38 points across all benchmarks.
GPT-5.3 Codex leads in knowledge tasks with an average score of 96 vs 54.8.
GPT-5.3 Codex leads in coding with an average score of 95 vs 49.
GPT-5.3 Codex leads in math with an average score of 97.1 vs 56.
GPT-5.3 Codex leads in reasoning with an average score of 94 vs 53.