FSD will be available in Semi by the end of this year or early 2027. But Robotaxi, Model 3, and Y are the priorities.

The Tesla Semi is currently the only vehicle in Tesla’s lineup that comes with only basic Autopilot, without the option to enable FSD (Supervised). However, Elon Musk has announced that the electric truck will gain access to this software package in a few months, toward the end of this year or early next year. But it is not a priority; the company is focusing primarily on improving the software for the Model 3, Model Y, and Robotaxi.

Are autonomous trucks further ahead than autonomous taxis?

As Tesla’s CEO stated, FSD (Supervised) will “definitely be available in trucks next year.” He doesn’t want it to distract the team from optimizations that help the Model 3, Model Y, and Cybercab achieve higher safety ratings. Because — to expand on his point — 99 percent effectiveness means one error in every 100 cases, while 99.99 percent means just one potential error in every 10,000 situations, which corresponds to a few hours of driving time.

It’s hard to predict how the availability of FSD (Supervised) in Semi will affect the pace of truck autonomy development in the U.S.

Semi’s cabin before a recent refresh (c) Tesla

Tesla recently tested the Semi on California roads equipped with an additional suite of sensors, which certainly included at least two lidars (in the upper right corner of the cabin and on the holder for the left mirror), what appeared to be extra cameras, and another sensor that was hard to identify (radar?). The manufacturer uses such packages likely to provide software with additional information about the surroundings, such as for precise distance measurement and learning the 3D structure of the space, so that the FSD computer processing images knows what objects it is dealing with.

Saw the new Tesla Semi being tested in Fremont today — the roof was loaded with equipment for ground truth validation, a full camera suite including washers, and it’s already ready for autonomy.

The future of freight is getting closer! pic.twitter.com/UjDkAA1nLl

— Tesla Owners Silicon Valley (@teslaownersSV) June 27, 2026

The mass production of Tesla Semi began in May 2026 at Giga Texas (United States). This year, the manufacturer aims to deliver between 5,000 and 15,000 vehicles to potential buyers. Americans are somewhat slow to adopt electric trucks; some companies are eager for them but wait patiently due to trust in Tesla’s capabilities. Meanwhile, in the European Union, the market is gradually expanding. In the first half of 2026, electric trucks accounted for 4.8% of all sold models, surpassing all other alternative powertrains (3.1%). Of course, diesel still dominates at 92.1%.

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