Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.3 Codex wins overall with a score of 85 vs 21 (64 point difference).GPT-5.3 Codex wins 4 out of 4 categories.
GPT-5.3 Codex
96
Mistral 7B v0.3
27.8
GPT-5.3 Codex
95
Mistral 7B v0.3
22
GPT-5.3 Codex
97.1
Mistral 7B v0.3
29
GPT-5.3 Codex
94
Mistral 7B v0.3
27
GPT-5.3 Codex scores higher overall with 85 vs 21, a difference of 64 points across all benchmarks.
GPT-5.3 Codex leads in knowledge tasks with an average score of 96 vs 27.8.
GPT-5.3 Codex leads in coding with an average score of 95 vs 22.
GPT-5.3 Codex leads in math with an average score of 97.1 vs 29.
GPT-5.3 Codex leads in reasoning with an average score of 94 vs 27.