The official page still lists GPT-5. 1-codex-max as a Max model has led to a discussion of model differences

OpenAI and Anthropic front-end updates accelerate: multiple web builds have been launched, and Codex suspects GPT-5.2 Codex-Max

A number of developers and observation accounts said on social platforms that OpenAI and Anthropic's web products have been intensively updated with f...