{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "openai",
  "model": "o1-preview",
  "name": "o1-preview",
  "aliases": [],
  "description": "The first public reasoning model, released as a preview in September 2024 and retired ten months later — the shortest life of any widely adopted OpenAI model. It hid its reasoning tokens but billed for them, which is where the industry-wide argument about reasoning-token pricing started.",
  "released_on": "2024-09-12",
  "deprecated_on": "2025-04-28",
  "shutdown_on": "2025-07-28",
  "status": "retired",
  "replacements": [
    {
      "provider": "openai",
      "model": "o3",
      "recommended": true,
      "note": "OpenAI named o3 as the successor; o3 is itself now deprecated with a December 2026 shutdown, so the durable target is gpt-5.6-sol.",
      "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"
}