{
  "apiVersion": "v1",
  "passage": {
    "id": "airbnb-originally-estimated-1-5-years-engineering-time-2025",
    "text": "We'd originally estimated this would take 1.5 years of engineering time to do by hand, but — using a combination of frontier models and robust automation — we finished the entire migration in just 6 weeks.",
    "context": null,
    "speaker": "Charles Covey-Brandt",
    "speakerId": "charles-covey-brandt",
    "speakerUrl": "https://the-ai-record.com/people/charles-covey-brandt",
    "speakerLevel": "practitioner",
    "role": "Author of the Airbnb engineering blog post on LLM test migration (role not stated on the page)",
    "voice": "person",
    "organization": "Airbnb",
    "organizationId": "airbnb",
    "organizationUrl": "https://the-ai-record.com/organizations/airbnb",
    "aiVendor": false,
    "work": {
      "title": "Accelerating Large-Scale Test Migration with LLMs",
      "type": "post",
      "date": "2025-03-13",
      "publisher": "Airbnb Engineering & Data Science (own site)",
      "url": "https://airbnb.tech/?p=366"
    },
    "grade": "B",
    "gradeMeaning": "The organization's own post, paper or talk.",
    "verification": {
      "status": "verified",
      "meaning": "An independent second reader re-fetched the source and confirmed the wording.",
      "reviewedOn": "2026-11-04"
    },
    "topics": [
      "migrations",
      "testing"
    ],
    "functions": [
      "engineering"
    ],
    "figures": [
      {
        "metric": "migration-duration",
        "value": 6,
        "unit": "weeks",
        "period": "Enzyme to React Testing Library migration of nearly 3.5K test files",
        "definition": "Elapsed time to finish the whole migration, against a 1.5-year engineering estimate for doing it by hand",
        "level": "human-approves"
      }
    ],
    "url": "https://the-ai-record.com/passages/airbnb-originally-estimated-1-5-years-engineering-time-2025",
    "json": "https://the-ai-record.com/api/v1/passages/airbnb-originally-estimated-1-5-years-engineering-time-2025.json"
  },
  "notice": [
    "Every passage is reproduced word for word from the cited source.",
    "Check the verification status: \"reported\" means not yet confirmed by an independent second reader.",
    "Organizations flagged aiVendor sell AI tools or services and have a reason to publish flattering numbers.",
    "An empty result means the archive holds nothing on it, not that nobody has said anything."
  ]
}