xAI
Musk-led model lab; trains Grok on the Colossus cluster.
Started by Elon Musk in 2023 as an alternative to OpenAI; trains the Grok family of models on the Colossus GPU cluster in Memphis, one of the largest contiguous training builds to date.
People
Founder
Elon Musk
CEO at Tesla and SpaceX; founded xAI
Key person
Jimmy Ba