{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Chain of Thought | AI Agents, Infrastructure & Engineering","title":"How Superhuman Built AI Into a 100ms Product | Loïc Houssier","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/65e3c420\"></iframe>","width":"100%","height":180,"duration":3011,"description":"Loïc Houssier, VP of Engineering at Superhuman (the email client Grammarly acquired for $825M in July 2025), explains how his team retrofitted AI features into a product whose entire brand promise is sub-100ms speed. He breaks down the model-routing strategy, the eval framework his PMs own, and why his team auto-drafts every reply but refuses to auto-send any of them.","thumbnail_url":"https://img.transistorcdn.com/opYb_ogIEF0JJPpA1L13NhLPore7cUzGtcL8Okdgfg4/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS81YjBh/ODMzMTY3ZjQ0MjBj/YTE1ODMwYTZlNDgx/Mjc2Mi5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}