Musk wrote that the merger of SpaceX and xAI will 'form the most ambitious, vertically-integrated innovation engine on (and off) Earth.'

In Tesla's annual financial filing, the company said that last year it sold $430 million worth of its energy storage products to xAI, Elon Musk's AI startup.

Tesla earnings beat Wall Street's estimates. The stock rose in after hours trading. A call with analysts is scheduled for 5:30 p.m. ET.

B xAI deal done, Model S/X axed, energy soars to $3.84B record, capex doubles to $20B+ as first revenue drop hits.

By Akash Sriram and Abhirup Roy Jan 28 (Reuters) - Tesla said on Wednesday it will invest $2 billion in CEO Elon Musk's artificial-intelligence company xAI - and that production plans for its Cybercab robotaxi were on track for this year.

Tesla has pledged a $2 billion investment in Elon Musk’s AI startup, xAI, emphasizing its push towards autonomy and robotics. Investors are keenly watching Tesla’s self-driving and robotaxi developments,