GPT-5.1-Codex-Max Model Overview Document
This article explains how OpenAI protects GPT-5.1-Codex-Max through two defense layers: model-level safety training that teaches the model to decline harmful requests and resist prompt injections hidd…
GPT-5.1-Codex-Max
Achieving more with GPT-5.1-Codex-Max
GPT-5.1-Codex-Max is OpenAI's newest agentic coding model designed specifically for Codex. Unlike chat assistants, it works autonomously on long-running, project-scale tasks such as refactoring and fr…