{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "openai",
  "model": "gpt-4.5-preview",
  "name": "GPT-4.5 preview",
  "aliases": [],
  "description": "The largest non-reasoning model OpenAI ever shipped, released in February 2025 and withdrawn from the API three months later — the shortest-lived flagship in the platform's history. It was expensive to serve and was overtaken by reasoning models that got more from less compute.",
  "released_on": "2025-02-27",
  "deprecated_on": "2025-04-14",
  "shutdown_on": "2025-07-14",
  "status": "retired",
  "replacements": [
    {
      "provider": "openai",
      "model": "gpt-4.1",
      "recommended": true,
      "note": "gpt-4.1 was the named successor and is still active — one of the few migration targets from this era that has not itself been deprecated.",
      "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"
}