Side-by-side benchmark comparison across knowledge, coding, math, and reasoning.
GPT-5.2-Codex wins overall with a score of 82 vs 63 (19 point difference).GPT-5.2-Codex wins 4 out of 4 categories.
DeepSeek LLM 2.0
76.8
GPT-5.2-Codex
96
DeepSeek LLM 2.0
73
GPT-5.2-Codex
95
DeepSeek LLM 2.0
79
GPT-5.2-Codex
97.1
DeepSeek LLM 2.0
76
GPT-5.2-Codex
94
GPT-5.2-Codex scores higher overall with 82 vs 63, a difference of 19 points across all benchmarks.
GPT-5.2-Codex leads in knowledge tasks with an average score of 96 vs 76.8.
GPT-5.2-Codex leads in coding with an average score of 95 vs 73.
GPT-5.2-Codex leads in math with an average score of 97.1 vs 79.
GPT-5.2-Codex leads in reasoning with an average score of 94 vs 76.