{"type": "rich", "version": "1.0", "title": "Silv AI Weekly: GPT-5.4, Claude cheats a benchmark, Karpathy autoresearch", "author_name": "Matt Silverman", "author_url": "https://buttondown.com/silv", "provider_name": "Buttondown", "provider_url": "https://buttondown.com", "html": "<iframe scrolling=\"no\" style=\"width:100%!important;height:300px;position:relative;\" src=\"https://buttondown.com/silv?as_embed=true\"></iframe>", "width": 600, "height": 300}