Benchmark analysis of GPT-5.2-Codex by OpenAI across 14 tests.
Creator
OpenAI
Source Type
ProprietaryReasoning
ReasoningContext Window
400K
Overall Score
GPT-5.2-Codex ranks #7 out of 88 models with an overall score of 82. It is created by OpenAI and features a 400K context window.
GPT-5.2-Codex ranks #7 out of 88 models in knowledge and understanding benchmarks with an average score of 96. It is among the top performers in this category.
GPT-5.2-Codex ranks #2 out of 88 models in coding and programming benchmarks with an average score of 95. It is among the top performers in this category.
GPT-5.2-Codex ranks #7 out of 88 models in mathematics benchmarks with an average score of 97.1. It is among the top performers in this category.
GPT-5.2-Codex ranks #7 out of 88 models in reasoning and logic benchmarks with an average score of 94. It is among the top performers in this category.
GPT-5.2-Codex has a context window of 400K tokens, which determines how much text it can process in a single interaction.