Tesla is preparing to launch non-Tesla Supercharger use in the US
@SawyerMerritt/Twitter
If you’ve bought an electric car, you know by now how frustrating it can be to find somewhere to fast-charge it. That’s why Tesla initially rolled out its Supercharger network of high-voltage chargers, and now they seem to be getting ready to allow other US electric vehicles to take advantage of the widely available network.
Although there haven't been many specifics on how the company would do this in the US, Tesla has made it clear that its intention is to make the global network of high-voltage Level 3 charging stations available to non-Tesla EV owners, and it has been running test programs abroad for several months now. According to Twitter user Sawyer Merritt, on the evening of August 16, 2022, Tesla offered a brief glimpse into how the program would work, by temporarily providing non-Tesla owners with membership options on the Tesla App.
It’s unclear whether the company made a mistake by briefly providing access to the program or they were just trying it out, but the membership options remained available through the app from around 9:30 PM to just before midnight, according to Merritt.
It seems like Tesla will be making a "pay per use" option and a membership advertised at just $0.99 per month available to non-Tesla EV owners. Merritt said that each account requires a separate subscription, and there is a daily charge cap of five sessions.
Merritt highlighted the cheap $0.99 monthly membership charge, especially when compared to the $4 per month that Electrify America charges, suggesting that Tesla's price of about $1 may be an effort to undercut its competitors.
The shift, which is anticipated to take place before the end of the year, is necessary in order to access additional federal funds intended to hasten the development of EV charging stations.As electric cars become increasingly popular, a higher priority will be placed on making sure drivers have easy access to charging stations for their cars. Tesla has a dominant market share in the electric car space, so it makes sense that they’d offer up the Supercharger network as a service to drivers of other electric vehicles.
This decision won't be without criticism, though, as the network is one of the biggest benefits of owning a Tesla and is significantly larger than any other fast-charging network in the US. However, the network can get congested at times, and it's unclear what will happen if more EVs are added to it.
Musk shared details on two distinct new versions of FSD that are currently in development - one of which is coming soon and another that promises another leap in FSD’s abilities.
It’s a new version of software, but will merge to main branch soon.
We have a more advanced model in alpha stage that has ~4X the params, but still requires a lot of polishing.
While the Robotaxis running around Austin are identical to new customer vehicles, they’re not running the same FSD build on customer vehicles. These Robotaxi Model Ys are running a newer FSD build.
While the exact version of FSD is unknown, Musk said that it’ll be released to customers soon. However, more interestingly, he also shared details on a newer version that’s coming next.
Musk said that this version will also arrive to customers later this year. This 4.5 times model appears to be in a relatively early alpha stage. This jump in parameters is even larger than the “3X increase” that’s detailed in the Upcoming Improvements of the FSD V13 changelog. Other improvements listed in the FSD v13 changelog were a 3x context length improvement, audio inputs, improvements to reward predictions and false braking, and support for destination options when arriving at the destinations. However, it’s not clear whether any of these others are included.
It’s a new version of software, but will merge to main branch soon.
We have a more advanced model in alpha stage that has ~4X the params, but still requires a lot of polishing.
The increase in parameters allows FSD to understand the world with greater nuance, which in turn means smoother and more human-like decision-making and path planning. It also means FSD will become more capable of handling edge cases or inclement weather, a stressor noted by Tesla’s Executive team during the Q1 2025 Earnings Call.
Increasing the context length allows the vehicle to consider a longer history when making decisions. Context length and responsiveness are closely linked: a shorter context length enables quicker reactions, while a longer context length provides more informed decisions but introduces latency. The context length in terms of FSD is measured in seconds, where the vehicle uses just the past few seconds of video data to make a decision.
Retraining FSD
~4.5X increase in params should be ready for wide release later this year.
Super frugal use of memory bandwidth, caching exactly what is needed & squeezing microseconds out of everything are needed to maintain the frame rate.
A more powerful AI model requires more computational power, and Elon provided some more insights into what exactly that means for the Tesla AI team. Frugally using memory bandwidth and squeezing every last drop of performance from AI4’s hardware is necessary to maintain its ability to keep up with the environment around it.
Musk says that this new, larger FSD version will require Tesla to retrain FSD from the ground up. Tesla is already planning on expanding its compute nodes with a second Cortex Supercomputer cluster. It takes an astronomical amount of data, time, and energy to train FSD, and with a major update on the horizon, it seems like Tesla has been putting the lion’s share of compute into this new build.
FSD Timeline
Musk laid out a relatively rough timeline for these new FSD improvements. Remember, with all things Elon, two weeks could very well be two months.
Soon: The current, tried and tested build that’s running on Tesla’s Robotaxi fleet in Austin will be merged into the main public FSD (Supervised) build. This build will be the next major build for customers. This could be FSD V13.3. It’ll be a step up, but not as large as the next version.
Late 2025: The new 4.5X parameter model is slated for a wider release several months from now. We’ll tentatively call this FSD V14 - because it sounds like an entirely new version being built from the ground up.
This is a much-needed update from Elon and Tesla on where FSD is headed and when. It’s been more than eight months since the last Autonomy Roadmap in October 2024, even if these updates are encoded in “Elon Time.”
The streets will change very rapidly.
Autonomous cars will be very common throughout the world in 2 to 3 years.
Elon also touched on the ultimate goals and the long-term business plan for FSD. With FSD already being considerably safer than the average human driver, alongside its superhuman reflexes and precision, Tesla will be well-positioned to license FSD.
Tesla AI/Autopilot could probably beat the best human around a track already.
Eventually, it really won’t be a contest at all. Human reflexes cannot match machines.
As FSD and the Robotaxi network become widespread and other autonomy solutions fail to materialize in a financially prudent fashion, other companies will naturally turn to Tesla for autonomy.
It’s Tesla’s golden moment to do all it can to implement the dream that it’s been striving for for over a decade.
With a new FSD version on its way to customers and a fully rebuilt version on the horizon, there’s a lot for everyone to look forward to.
Today, @terrapinTerpene on X spotted a pair of interesting-looking Model Ys on the streets of Austin, Texas. The first black Model Y had a Robotaxi wordmark emblazoned on the front door of the vehicle.
The best part is that the lead vehicle didn’t have a driver in it. The second, trailing car did have a driver, likely a chase driver, but it didn’t have the same Robotaxi logo on the side. Tesla is likely conducting the final stages of testing where unsupervised vehicles are going from point A to point B, while still having a safety vehicle nearby.
— Terrapin Terpene Col (@TerrapinTerpene) June 10, 2025
This comes just as the City of Austin officially listed Tesla as a Known AV Operator on their Autonomous Vehicles website. That regulatory green light has now been translated into reality with the first sightings of Tesla Robotaxis on the streets of Austin - and we’re expecting to see even more of these vehicles in the next few days.
Several Tesla employees quickly chimed in as the video began circulating on X.
Employee Reactions
Tesla’s key members jumped up on X to respond to the sighting. Ashok Elluswamy, Tesla’s VP of Autopilot and AI Software, responded with a simple message.
“Slowly at first, then…” - Ashok
Tesla’s stated plans for the rollout are to begin with a small fleet of just 10 Model Ys in Austin for the initial stages. This will allow for a controlled deployment while Tesla closely monitors and confirms that they’re within the safety envelope they’re looking for - much safer than a human driver. That number is then expected to increase over the coming weeks and months, with an expectation to hit over 1,000 Robotaxis in use by late 2025 as Tesla looks to expand their services to other cities.
Tesla is expected to launch the Robotaxi network to employees on June 12th, just two days away. A public launch, where anyone could use a Robotaxi, is expected to follow in late June or early July,
Tesla’s Lead Engineer for the Robotaxi Program, Eric E, was even more direct on X.
“Its go time”. - Eric
Musk Confirms These Are Ordinary Model Ys
Elon also commented, stating that each of these vehicles used in the Robotaxi network are standard Model Y vehicles, coming directly from the factory, reinforcing the point that every new Tesla will be capable of Unsupervised FSD.
These are unmodified Tesla cars coming straight from the factory, meaning that every Tesla coming out of our factories is capable of unsupervised self-driving! https://t.co/n94ln0Uas6
This is what’s critical to Tesla. Unlike competitors like Waymo, who depend on bespoke vehicles with nearly another car’s worth of expensive LiDAR, Radar, and camera sensors mounted on top of an existing vehicle, Tesla is demonstrating that any Model Y equipped with its latest FSD computer, AI4, is capable of Unsupervised FSD.
This is exactly what Elon means when he says millions of vehicles will become Robotaxis overnight. It takes just a flick of a software switch to enable Robotaxi for every AI4 Model Y out there today.
Tesla’s main account on X also doubled down on Elon’s statement, pointing out that it is really just a standard Model Y.
After years of promises, testing, development, disappointment, excitement, and hype… Tesla’s golden moment is finally here. The appearance of real Robotaxis using FSD has finally arrived. This isn’t just an internal beta happening on factory roads or with safety drivers. The first Teslas are finally really driving themselves on public roads with no human supervision.
The next few days will no doubt be some of the most exciting days in Tesla’s history.
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