{
  "$schema": "https://modeldeprecations.dev/api/v1/schema.json",
  "provider": "openai",
  "model": "babbage-002",
  "name": "babbage-002",
  "aliases": [],
  "description": "A base completions model kept in service almost entirely as a fine-tuning target for classification work, where a small model trained on your own labels still beat prompting a large one. Its September 2026 shutdown ends that option.",
  "released_on": "2023-08-22",
  "deprecated_on": "2025-09-26",
  "shutdown_on": "2026-09-28",
  "status": "deprecated",
  "replacements": [
    {
      "provider": "openai",
      "model": "gpt-5.4-mini",
      "recommended": true,
      "note": "Existing fine-tunes do not transfer. Budget for re-running training on the new base and re-validating accuracy — a base-model fine-tune and an instruction-model fine-tune do not behave the same way.",
      "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": "deprecated",
  "asOf": "2026-07-30"
}