Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.3 Codex wins overall with a score of 85 vs 37 (48 point difference).GPT-5.3 Codex wins 4 out of 4 categories.
GPT-5.3 Codex
96
Llama 4 Maverick
43.8
GPT-5.3 Codex
95
Llama 4 Maverick
38
GPT-5.3 Codex
97.1
Llama 4 Maverick
45
GPT-5.3 Codex
94
Llama 4 Maverick
43
GPT-5.3 Codex scores higher overall with 85 vs 37, a difference of 48 points across all benchmarks.
GPT-5.3 Codex leads in knowledge tasks with an average score of 96 vs 43.8.
GPT-5.3 Codex leads in coding with an average score of 95 vs 38.
GPT-5.3 Codex leads in math with an average score of 97.1 vs 45.
GPT-5.3 Codex leads in reasoning with an average score of 94 vs 43.