{
  "id": 12409,
  "url": "https://lastweekin.ai/p/lwiai-podcast-252-gpt-56-grok-45",
  "title": "LWiAI Podcast #252 - GPT 5.6, Grok 4.5, Nemotron-Labs-Diffusion, AI 2040",
  "summary": "GPT-5.6 and Grok 4.5, Meta's Muse Spark 1.1, regulatory developments in AI and data centers, interpretability research from Anthropic, and the future of AI policy with AI 2040",
  "authors": "Last Week in AI",
  "category": "org",
  "topics": "regulation,safety-alignment",
  "orgs": "openai,anthropic,meta,xai",
  "regions": null,
  "published_at": "2026-07-21T12:03:29.000Z",
  "fetched_at": "2026-07-22T05:10:49.469Z",
  "source_slug": "x-last-week-in-ai",
  "source_name": "Last Week in AI",
  "source_homepage": "https://lastweekin.ai",
  "ethics_ai_record_url": "https://ethics.ai/record/12409",
  "original_url": "https://lastweekin.ai/p/lwiai-podcast-252-gpt-56-grok-45",
  "evidence_status": "source-only",
  "attribution": "via ethics.ai"
}