It was held by Elon Musk at the original Mission District headquarters of OpenAI, which Musk cofounded before leaving after (reportedly) failing to take it over. And Musk was there to convince people to join his latest startup,

The location was apt: The Pioneer Building in the city’s Mission district, a 122-year-old former truck factory, and most recently, headquarters of OpenAI, the juggernaut maker of ChatGPT led by cofounder Sam Altman. xAI had just moved into the building, Musk said, attendees told Forbes.

San Francisco's Mission district isn't known for corporate offices, but it's now home to two of the world's most well-funded AI startups. Elon Musk's

Elon Musk is racing to upstage OpenAI — and now the billionaire has reportedly moved his own AI startup into the company's old HQ.

A symbolic move: xAI has moved into the Pioneer Building at 3180 18th Street in San Francisco’s Mission District, the very office space where OpenAI began its journey in 2015. T

OpenAI received $6.6 billion in investment recently and is now valued at $157 billion. Interestingly, OpenAI does not want it its investors to fund competition and has reportedly shared a list of companies to stay away from.