{
  "id": 1403374,
  "title": "Twin: Playing an Unknown Game with a Test-Time Digital Twin",
  "url": "https://urgent.news/2026/08/14/twin-playing-an-unknown-game-with-a-test-time-digital-twin",
  "topic": "ai",
  "section": "AI",
  "published": "2026-08-14T17:06:00.000Z",
  "source": {
    "name": "arXiv cs.AI",
    "slug": "arxiv-cs-ai",
    "url": "https://arxiv.org/abs/2608.14490v1"
  },
  "original_language": "en",
  "account": null,
  "summary": "We present a Test-time World-model Inference (Twin) system, in which a frontier coding agent writes an executable world model for completing continual learning tasks, such as ARC-AGI-3 games. Traditional approaches hand-engineer such models, one custom design per task. Each game hides its rules and goal, and our system constructs them from simulation and interaction alone. Its inductive prior…",
  "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."
}