GPT-5.1-Codex-Max is available in Codex today for the CLI, IDE extension, cloud, and code review. It is the first model natively trained to operate across multiple context windows through compaction, working over millions of tokens in a single task.
Added to The Deploy Log , updated . Read Edition 10, the edition that carried it.
34 rows from OpenAI in The Deploy Log are dated on or before this one, this one included.