Samsung's Texas fab is putting Tesla's AI5 self-driving chip on 2nm, a node the industry expected to debut with the follow-on AI6, not this chip. The disclosure came from James Kim, a principal engineer at Samsung Foundry, who wrote on LinkedIn that "the Tesla-Samsung AI5 chip has reached tape-out" and is "scheduled to be manufactured at the Taylor fab using our latest 2nm process and will soon be integrated into Tesla's newest products." Kim deleted the post after Korean news outlets picked it up.
Tape-out means the design is locked and handed to manufacturing. The next steps, photomask production, engineering samples, customer qualification, typically take months before volume production begins.
Elon Musk confirmed in April that Tesla had taped out AI5 designs to both Samsung and TSMC, with each foundry producing "slightly different versions" because, as he put it, "they translate designs to physical form differently." Kim's post confirms Samsung has finished adapting that design to its own process.
The process node is the real story here. The industry assumption had been that Samsung's 2nm line at Taylor was tied to AI6, while AI5 would use more mature nodes at TSMC.
Putting AI5 on 2nm signals that Samsung's 2nm yield has crossed roughly 60%, the threshold where a process becomes viable for a high-volume customer like Tesla. That yield improvement matters beyond Tesla. Samsung has trailed TSMC on advanced-node yield for years, and the Taylor fab was a multibillion-dollar bet in search of anchor customers.
Recent reports suggest Anthropic could manufacture its own AI chips through Samsung Foundry, and improving yields are what would let Samsung pull in more customers at that caliber.
Samsung held an equipment installation ceremony at the Taylor plant in April and expects volume production of Tesla's AI chips there in the second half of 2027. For Tesla, the timeline is still measured in years.
Musk has said Tesla needs "several hundred thousand completed AI5 boards line side" before it can switch vehicle production over, a volume not expected until mid-2027. The Cybercab is launching on older AI4 hardware, and the AI4.5 stopgap chip quietly added to new Model Ys exists precisely because AI5 kept slipping.
AI5 is arriving nearly two years after Musk first said it would be in vehicles. But for Samsung, landing this chip on 2nm at Taylor is a proof point the company has needed since it broke ground on the Texas facility in 2022.
