Meta’s former chief A.I. scientist, Yann LeCun, helped lay the groundwork for the modern A.I. boom long before chatbots became an industry obsession. Now, after leaving Meta in late 2025, he is building a multibillion-dollar startup under the premise that the race toward A.I. superintelligence is starting from the wrong place. Speaking at the VivaTech conference on June 17, LeCun shared more details about why he believes his startup, Advanced Ma…