{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "openai",
  "model": "gpt-5.1-codex-max",
  "name": "GPT-5.1 Codex Max",
  "aliases": [],
  "description": "The largest Codex variant, built for repository-scale work where the model needed to hold an entire codebase in context. It lasted about eight months before being retired with the rest of the Codex line.",
  "deprecated_on": "2026-04-22",
  "shutdown_on": "2026-07-23",
  "status": "retired",
  "replacements": [
    {
      "provider": "openai",
      "model": "gpt-5.3-codex",
      "recommended": true,
      "note": "There is no separate -max id in the 5.3 Codex generation; the capability moved into the base model.",
      "external": false
    }
  ],
  "sources": [
    {
      "url": "https://developers.openai.com/api/docs/deprecations",
      "title": "OpenAI API deprecations",
      "accessed": "2026-07-30"
    }
  ],
  "last_verified": "2026-07-30",
  "computed_status": "retired",
  "asOf": "2026-07-30"
}