News
SpaceX is about to have a fleet of Starship rockets
SpaceX has finished the last major stacking event for the business half of its fifth full-scale Starship prototype, meaning that the company may be a week or less from having a fleet of Starships for the first time ever.
As of now, Starship serial number 5 (SN5) is on track to be completed in under a month, continuing a trend that SpaceX has managed over the entirety of 2020. Beginning in mid-January, SpaceX has completed several nosecone pathfinders, three test tanks, and three full-scale Starship prototypes – soon to be four once SN5 is finished. Once it is, however, SpaceX will be entering a new era of operations – fleet operations.
Up to this point, every full-scale Starship prototype and test tank SpaceX has built – excluding the tank SN2 was turned into in March – has been quickly destroyed over the course of one or two tests. For better or for worse, this has meant that SpaceX’s test and launch pad has always been more or less self-clearing, making way for the next prototype to roll out and begin testing after the scraps of its predecessor were removed. This time around, barring Starship SN4’s imminent demise, SpaceX will now have to deal with multiple completed Starship prototypes at the same time – a tiny taste of things to come.
For unknown reasons, SpaceX decided to swap out Starship SN4’s lone Raptor engine (likely SN18) after multiple wet dress rehearsals, partial engine tests, and two static fire tests – at least one of which was confirmed a success by CEO Elon Musk. Most recently, SpaceX removed Raptor SN18 to perform a more ambitious cryogenic pressure test, pushing Starship SN4’s propellant tanks all the way to 7.5 bar (~110 psi) at the same time as hydraulic rams simulated the thrust of three Raptor engines at the rocket’s base.
Instead of reinstalling Raptor SN18, SpaceX transported Raptor SN20 to the launch pad and installed it on Starship SN4 on May 10th, less than 24 hours after the prototype passed an orbital-class pressure test.
Aside from installing Raptor SN20, SpaceX teams have spent the last few days adding new COPVs (composite overwrapped pressure vessels) and plumbing to Starship SN4’s exterior – purpose largely unknown. While the new hardware is mostly a mystery, it is known that SpaceX is in the process of preparing SN4 and its new Raptor engine for a third wet dress rehearsal (WDR) and static fire test, necessary to ensure that Raptor SN20 is properly installed and functioning as expected.
Assuming that third static fire is successful, SpaceX’s will prepare Starship SN4 for its first flight, a ~150m (500 ft) hop test that will also be the first intentional flight of any full-scale Starship prototype since the program’s birth. For that hop test, SN4 will need some kind of attitude control system (ACS) thrusters to control its rotation and provide fine trajectory tuning to assist the ship’s lone Raptor engine. This is the likeliest explanation for the new hardware being installed on Starship SN4, as the ship does not currently appear to have ACS thrusters installed.
Starship Troopers
Of course, the first flight of a full-scale Starship prototype will probably be the riskiest test yet for the program and there’s a good chance that SN4 will meet its demise at some point during that flight. Enter Starship SN5.
As of May 12th, Starship SN5’s final two tank sections were stacked, effectively completing the most important half of the rocket (minus one final circumferential ring weld). SN5’s final outfitting of avionics and plumbing is still pending and will take at least a few days to a week or more, but that work can and has been completed after prototypes are transferred by road to the launch pad. Currently, Starship SN4 is occupying SpaceX’s one and only pad test stand, however, meaning that it wouldn’t make much sense to immediately move SN5 to the launch pad – at least until SN4 is done testing.
SN5 will also need a nose section and, perhaps, flaps installed, meaning that the full ship is likely still at least a week or two away from being finished, but that likely wont stop SpaceX from proof testing the rocket’s tanks if or when SN4 makes space at the launch pad.
According to comments made by Elon Musk, SN5 will likely become the first Starship prototype to have three Raptor engines installed and the first to attempt a truly high-altitude flight test if Starship SN4 is met with success in the coming weeks. As absurd as it feels to say, if SN5 completes triple-Raptor testing and a 20 km (~12 mi) flight test without issue, Musk has stated that the next step would be orbital flight tests. Starship SN6’s steel rings, meanwhile, are already being formed and stacked as SN5 nears completion.
News
Tesla deploys Unsupervised FSD in Europe for the first time—with a twist
Europe has so far been elusive for Tesla’s FSD rollout.
Tesla has officially started using Unsupervised FSD in Europe, at least, within the Giga Berlin complex.
Ready for rollout
As per a video from the Tesla AI team, Model Y units that are produced at Giga Berlin now autonomously transport themselves from the end of the production line to their designated holding areas. The video demonstration, which was posted on X, followed a Model Y unit that parked itself autonomously at a charging station, and another that headed straight to Giga Berlin’s outbound area.
Giga Berlin plant manager André Thierig shared his insights on the video, stating that “Every Tesla we built has the ability to drive autonomously and we use this feature 100% for outbound operations, starting from the light tunnel until the car arrives at the outbound yard! Really impressive!” He also stated that he “cannot wait to see this on European roads outside the factory.”
Unsupervised FSD in Europe
Europe has so far been elusive for Tesla’s FSD rollout. While FSD Supervised has been rolled out to consumers in the United States, and to some degree, in China, only tests have so far been implemented in Europe. This has resulted in numerous Tesla owners getting their patience tested, especially those who have purchased FSD in vehicles that are now several years old.
Tesla, for its part, has been demonstrating Unsupervised FSD operating on public European roads across several countries, such as France and Germany. So far, however, the wait is still on for Europe to allow FSD, both Supervised and Unsupervised, to be operated by regular consumers on public roads.
News
Tesla Robotaxi makes major expansion with official public app launch
Tesla officially announced on early Thursday morning that its Robotaxi suite is officially public, launching its separate Robotaxi app to iOS users for the first time, allowing them to test out the driverless ride-hailing platform.
Tesla has made a major expansion with its Robotaxi platform, marking its official public launch of the app for iOS users.
Tesla has had an active Robotaxi program for two and a half months now, launching it for the first time in Austin, Texas, in late June.
It was not a public beta, as the company extended invitations to a select group of relevant influencers and media in the space, aiming to keep things relatively private until confidence in its performance was established.
Over the past ten weeks, Tesla has expanded its fleet size, its geofence, and its list of invitees on several occasions. However, it was still not offering rides to anyone on the street. That has changed.
Tesla officially announced on early Thursday morning that its Robotaxi suite is officially public, launching its separate Robotaxi app to iOS users for the first time, allowing them to test out the driverless ride-hailing platform:
🚨 Tesla has announced that the Robotaxi app is now available to all iOS users, with Android access coming soon! pic.twitter.com/3wN6Ssg0aa
— TESLARATI (@Teslarati) September 4, 2025
Once you download the app, you will be put on a waitlist to enter the company’s list of riders. It seems that the earlier you download and join, the sooner you will be able to test one of the company’s driverless Model Y vehicles in the city.
The expansion of the app marks a major achievement for Tesla in the sense that the company is confident to begin allowing more riders to utilize the platform. It may also be looking for a more local consumer base, as many users of the app do not reside in Austin. Tesla may hope to attract more daily users who would utilize Robotaxi for their commute to work, rides to dinner and social events, and other regular uses.
In its nearly three months of operation, Tesla has expanded the Robotaxi geofence in Austin on three occasions, with the most recent bringing the Service Area to 190 square miles.
Tesla Robotaxi geofence expansion enters Plaid Mode and includes a surprise
The most recent growth included new territories, including Giga Texas, the company’s manufacturing facility, Austin-Bergstrom International Airport, and freeway driving for the first time.
Freeways are where Tesla has taken a slightly different approach, as it will be moving the safety monitor to the driver’s seat for those trips for the time being.
Elon Musk
Tesla’s next-gen Optimus prototype with Grok revealed
The video shows a new Optimus prototype answering questions and taking some very robotic steps, evidently revealing that the next-generation version is in its early stages of development.
Tesla’s next-generation Optimus robot with AI assistant Grok has been revealed in a new video shared on X.
Tesla CEO Elon Musk was with Salesforce CEO Marc Benioff last night, and it appears the frontman gave Benioff an exclusive look at some upcoming technology.
Tesla talks Semi ramp, Optimus, Robotaxi rollout, FSD with Wall Street firm
The video shows a new Optimus prototype answering questions and taking some very robotic steps, evidently revealing that the next-generation version is in its early stages of development. It features Grok for some additional utility, as it answered questions Benioff asked in the short video.
Here’s what was uploaded to X:
Crazy look at Tesla Optimus from Salesforce CEO Marc Benioff, who was hanging out with Elon Musk yesterday!
Love this gold color on you @Tesla_Optimus https://t.co/NGgDqVVf1g pic.twitter.com/q8286aBNKy
— TESLARATI (@Teslarati) September 3, 2025
It appears that there are several big changes to this next-generation version of Optimus, some of which have been discussed by Musk and Tesla in the past.
The first is purely cosmetic, but the gold color that Optimus is wearing in this is a new and fresh look that we have not seen before.
Perhaps the most interesting change that is evident here is the hands, which are much more detailed than past versions of Optimus:
However, we’re not too sure that these are what will be released with the next-gen Optimus, because they don’t appear to be functional, and they are more reminiscent of mannequin hands than anything.
The hands on Optimus have been a significant part of the program, as they are among the most crucial pieces of equipment on a robot. It needs to be able to perform both delicate and more imposing tasks. Tesla has aimed for Optimus to be able to thread needles or play the piano.
It was one of the most discussed improvements the company mentioned in past comments regarding how it planned to improve from Gen 2 to this next version.
Musk mentioned regarding Optimus:
“Next-generation Optimus hand, which we have in prototype form, has actuators that have moved to the forearm, just like humans, and they operate the fingers through cables, just like human hands.”
Within Optimus lies a significant opportunity for Tesla to gain considerable strength in terms of market share and valuation.
If Tesla can efficiently develop and deploy the humanoid robot over the next several years, the company stands to gain, as companies will utilize it for tasks that require tedious labor.
Musk recently said Optimus will be a major contributor to Tesla’s valuation moving forward. He believes it will make up roughly 80 percent of the company’s value.
Tesla deploys Unsupervised FSD in Europe for the first time—with a twist
Tesla Robotaxi makes major expansion with official public app launch
Tesla’s next-gen Optimus prototype with Grok revealed
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