Loïc Houssier

Superhuman

1 episode on Chain of Thought

Loïc Houssier leads engineering at Superhuman, the email client Grammarly acquired in 2025, and earlier worked in applied cryptography for France’s defense industry including nuclear submarine systems. On Chain of Thought he explained how his team retrofitted AI into a product whose brand promise is sub-100ms speed, and why they auto-draft every reply but refuse to auto-send.