A New Product Category Gets a Name

On September 8, 2026, Meta gave a long-promised idea a name, an app icon, and a required payment card. The personal AI agent category now has its first serious consumer contender. Meta called it Muse, “the world’s first personal AI agent built for everyone.” Three weeks later, OpenAI answered. This article covers what these agents actually do, how they differ, and what it means to hand a company this much control over your daily life.