Tesla Locks $16.5B AI Chip Deal with Samsung, Sending Shares Up 6% After Hours

Elon Musk dropped a significant update on Monday: Tesla (NASDAQ: TSLA) has locked in a $16.5 billion deal with Samsung Electronics (KRX: 005930) to produce its next-generation AI6 chips. Samsung's contract chip manufacturing unit, which has been bleeding red for some time, gets a much-needed lifeline with this contract.

The announcement sent Samsung's stock soaring more than 6% in after-hours trading. Musk highlighted the importance of Samsung's upcoming fab in Taylor, Texas, which will now be dedicated mainly to churning out these AI6 chips. It's interesting how Musk has a personal stake here too, hinting he'll be hands-on with production since the factory isn't far from his home - a clear sign of how critical this project is to Tesla's roadmap.

While no exact timeline was given for the AI6 chips, Musk previously pegged production for Tesla's A15 chips to start in late 2026. This suggests the AI6 rollout could be on the horizon sometime after that. Samsung already handles Tesla's A14 chips, powering the Full Self-Driving (FSD) system. Meanwhile, the upcoming AI5 chips are slated to be manufactured by Taiwan Semiconductor Manufacturing Co. (NYSE: TSM), first in Taiwan and eventually at their Arizona facility.

The $16.5 billion contract stretches all the way through 2033 and was initially revealed by Samsung without naming Tesla, honoring confidentiality requests. This deal comes at a crucial moment for Samsung's foundry division, as it continues to wrestle with losing market share to TSMC-especially in the race to secure premium clients like Apple (NASDAQ: AAPL) and Nvidia (NASDAQ: NVDA).

There's also speculation about the deal's timing possibly intertwining with broader trade negotiations between the U.S. and South Korea, especially with Seoul trying to cement semiconductor partnerships to dodge potential U.S. tariffs. If nothing else, Samsung's Texas gig now has a marquee tenant, which could change its fortunes significantly.

For Tesla, this solidifies its chip supply chain, a lifeline for future AI and autonomous driving ambitions. For Samsung, it's a high-stakes bet that may tip the scales in the chip wars-but whether this $16.5 billion investment pays off in the cutthroat foundry arena remains to be seen.