{
  "id": 28746,
  "title": "What's the difference between closed, open‑source and open-weight AI? A researcher explains",
  "url": "https://urgent.news/2026/07/25/whats-the-difference-between-closed-open-source-and-open-weight-ai-a",
  "topic": "ai",
  "section": "AI",
  "published": "2026-07-25T19:00:54.000Z",
  "source": {
    "name": "PBS NewsHour Science",
    "slug": "pbs-newshour-science",
    "url": "https://www.pbs.org/newshour/science/whats-the-difference-between-closed-open%e2%80%91source-and-open-weight-ai-a-researcher-explains"
  },
  "original_language": "en",
  "account": null,
  "summary": "AI models that are open source allow developers and users to see and modify the underlying program code.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}