Last mentioned: Mar 16, 2026
The Apology
Musk admits xAI was built incorrectly and announces a foundational rebuild.
Musk's Admission
Musk publicly apologizes and announces xAI is being rebuilt from the foundations up.
Cofounder Exodus
Prominent researchers Jimmy Ba and Tony Wu depart amid performance tensions.
SpaceX Merger
SpaceX acquires xAI in a deal valuing the combined entity at $1.25 trillion.
SpaceX Merger
SpaceX acquires xAI in a deal valuing the combined entity at $1.25 trillion.
Tesla Investment
Tesla discloses $2B investment in xAI Series E round in Q4 shareholder letter.
Tesla Investment
Tesla discloses a $2 billion investment into xAI's Series E funding round.
xAI Launch
Musk launches xAI with 12 cofounders to 'understand the universe.'
xAI Launch
Elon Musk launches xAI with a mission to understand the universe.
Elon Musk has issued a rare apology, admitting that his AI startup xAI was 'not built right' and requires a total foundational rebuild. This admission comes at a precarious time, following a $1.25 trillion merger with SpaceX and amid intensifying legal pressure from Tesla shareholders.
Elon Musk has issued a rare public apology, admitting that his AI startup xAI was fundamentally flawed and is being rebuilt from the foundations up. This admission comes just weeks after a $1.25 trillion merger with SpaceX and amid intensifying shareholder lawsuits over the diversion of Tesla resources.