Tesla tapes out AI5 inference chip

A self-driving chip is the computer that turns camera feeds into driving decisions in real time, and Tesla says its next version, AI5, has now reached “tape-out,” the step where a finished design is sent to a factory for manufacturing. (electrek.co) Elon Musk announced the milestone on April 15, 2026, writing on X: “Congrats to the @Tesla_AI chip design team on taping out AI5! AI6, Dojo3 & other exciting chips in work.” Electrek reported the post went live at 3:21 a.m. and included an image of the chip. (electrek.co) Tape-out does not put the chip into cars. After that step, Tesla still has to fabricate the silicon, test it, validate it for automotive use, and ramp production, a process Electrek said typically takes 12 to 18 months for an automotive-grade accelerator. (electrek.co) Tesla has been building its own driving computers for years because the chip inside the car handles inference, the part where a trained neural network makes instant decisions from live video. That is different from training, which uses much larger data-center systems to teach the model before it is deployed. (electrek.co; cnbc.com) The timing matters because Tesla has tied more of its business to autonomy and robotics, not just electric cars. In its 2025 annual outlook and quarterly materials, the company described itself as moving from a “hardware-centric business” toward a “physical AI company,” while continuing work on robotaxis and Optimus humanoid robots. (assets-ir.tesla.com; assets-ir.tesla.com) The milestone also lands after repeated schedule changes. Electrek said Musk told shareholders in June 2024 that AI5 would be in vehicles in the second half of 2025, but volume production is now more than a year away. (electrek.co; teslarati.com) That delay has product consequences. Electrek reported Tesla’s Cybercab, which the company has said is scheduled for production in the second quarter of 2026, will launch on the current AI4 computer rather than AI5. (electrek.co) Tesla and Musk have also pointed to outside manufacturing partners. Recent reports said Tesla is using Taiwan Semiconductor Manufacturing Company for AI5 production, while Samsung is tied to the follow-on AI6 program; Musk publicly thanked both companies in posts cited by multiple outlets. (electrek.co; tweaktown.com) Investors treated the announcement as a real, if early, milestone. MarketWatch reported Tesla shares were up 6.8% to $388.92 in Wednesday afternoon trading after Musk said the design process was complete. (marketwatch.com) The next test is simpler than the announcement: whether AI5 moves from a taped-out design on April 15, 2026 to working boards in enough volume to replace AI4 in Tesla vehicles. (electrek.co)