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Tesla FSD V12.4.2 is moving to internal testing: Elon Musk

Credit: Tesla Tutorials/YouTube

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Tesla CEO Elon Musk recently provided a quick update about the rollout of Full Self Driving (FSD) V12.4.2 to consumers. As per Musk, the highly-anticipated FSD update is moving to internal testing this week. 

Elon Musk has been pretty open about the idea of FSD being the difference maker for Tesla’s future. For Tesla to reach the heights that Musk envisions, FSD must work, and true autonomous driving must be achieved. It is then no surprise that Tesla is allotting a significant amount of its resources to FSD development. 

While updates to FSD have been pretty quick, veteran testers of the advanced driver-assist system have been very excited about V12.4, thanks in part to Musk’s comments about the update. Previous reports indicated that FSD V12.4 was rolling out to employees in late May, but the update did not get distributed to the larger fleet of FSD (Supervised) users. The same was true for FSD V12.4.1, which was reportedly rolled out to employees in early June

Based on Elon Musk’s recent posts on X, it would appear that Tesla would instead be focusing on releasing FSD V12.4.2 to consumers. In a response to a longtime FSD tester who asked about the wide release of V12.4, Musk noted that the build is moving to internal testing. Musk also noted that “12.4.2 is much smoother. Challenge is keeping safety high while increasing ride comfort.” He also stated that the “build moves to internal testing tomorrow.”

In a later comment to another post from the longtime FSD user, who asked if a wide release for V12.4.2 is possible over the weekend, Musk noted that Tesla just needs to make sure that there are no regressions in the advanced driver-assist system’s safety. “We just need to confirm there are no safety regressions,” Musk wrote in a post on X. 

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Tesla FSD V12.4 is quite substantial for users of the advanced driver assist system partly because its driver monitoring system has been updated to rely primarily on data from the cabin camera to determine driver attentiveness. Previous versions of FSD utilized steering wheel nags, which are quite effective but deemed annoying by longtime FSD users. 

Don’t hesitate to contact us with news tips. Just send a message to simon@teslarati.com to give us a heads up.

Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Tesla FSD’s newest model is coming, and it sounds like ‘the last big piece of the puzzle’

“There’s a model that’s an order of magnitude larger that will be deployed in January or February 2026.”

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Credit: Tesla

Tesla Full Self-Driving’s newest model is coming very soon, and from what it sounds like, it could be “the last big piece of the puzzle,” as CEO Elon Musk said in late November.

During the xAI Hackathon on Tuesday, Musk was available for a Q&A session, where he revealed some details about Robotaxi and Tesla’s plans for removing Robotaxi Safety Monitors, and some information on a future FSD model.

While he said Full Self-Driving’s unsupervised capability is “pretty much solved,” and confirmed it will remove Safety Monitors in the next three weeks, questions about the company’s ability to give this FSD version to current owners came to mind.

Musk said a new FSD model is coming in about a month or two that will be an order-of-magnitude larger and will include more reasoning and reinforcement learning.

He said:

“There’s a model that’s an order of magnitude larger that will be deployed in January or February 2026. We’re gonna add a lot of reasoning and RL (reinforcement learning). To get to serious scale, Tesla will probably need to build a giant chip fab. To have a few hundred gigawatts of AI chips per year, I don’t see that capability coming online fast enough, so we will probably have to build a fab.”

It rings back to late November when Musk said that v14.3 “is where the last big piece of the puzzle finally lands.”

With the advancements made through Full Self-Driving v14 and v14.2, there seems to be a greater confidence in solving self-driving completely. Musk has also personally said that driver monitoring has been more relaxed, and looking at your phone won’t prompt as many alerts in the latest v14.2.1.

This is another indication that Tesla is getting closer to allowing people to take their eyes off the road completely.

Along with the Robotaxi program’s success, there is evidence that Tesla could be close to solving FSD. However, it is not perfect. We’ve had our own complaints with FSD, and although we feel it is the best ADAS on the market, it is not, in its current form, able to perform everything needed on roads.

But it is close.

That’s why there is some legitimate belief that Tesla could be releasing a version capable of no supervision in the coming months.

All we can say is, we’ll see.

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Investor's Corner

SpaceX IPO is coming, CEO Elon Musk confirms

However, it appears Musk is ready for SpaceX to go public, as Ars Technica Senior Space Editor Eric Berger wrote an op-ed that indicated he thought SpaceX would go public soon. Musk replied, basically confirming it.

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Joel Kowsky, Public domain, via Wikimedia Commons

Elon Musk confirmed through a post on X that a SpaceX initial public offering (IPO) is on the way after hinting at it several times earlier this year.

It also comes one day after Bloomberg reported that SpaceX was aiming for a valuation of $1.5 trillion, adding that it wanted to raise $30 billion.

Musk has been transparent for most of the year that he wanted to try to figure out a way to get Tesla shareholders to invest in SpaceX, giving them access to the stock.

He has also recognized the issues of having a public stock, like litigation exposure, quarterly reporting pressures, and other inconveniences.

However, it appears Musk is ready for SpaceX to go public, as Ars Technica Senior Space Editor Eric Berger wrote an op-ed that indicated he thought SpaceX would go public soon.

Musk replied, basically confirming it:

Berger believes the IPO would help support the need for $30 billion or more in capital needed to fund AI integration projects, such as space-based data centers and lunar satellite factories. Musk confirmed recently that SpaceX “will be doing” data centers in orbit.

AI appears to be a “key part” of SpaceX getting to Musk, Berger also wrote. When writing about whether or not Optimus is a viable project and product for the company, he says that none of that matters. Musk thinks it is, and that’s all that matters.

It seems like Musk has certainly mulled something this big for a very long time, and the idea of taking SpaceX public is not just likely; it is necessary for the company to get to Mars.

The details of when SpaceX will finally hit that public status are not known. Many of the reports that came out over the past few days indicate it would happen in 2026, so sooner rather than later.

But there are a lot of things on Musk’s plate early next year, especially with Cybercab production, the potential launch of Unsupervised Full Self-Driving, and the Roadster unveiling, all planned for Q1.

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Tesla adds 15th automaker to Supercharger access in 2025

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Credit: Tesla

Tesla has added the 15th automaker to the growing list of companies whose EVs can utilize the Supercharger Network this year, as BMW is the latest company to gain access to the largest charging infrastructure in the world.

BMW became the 15th company in 2025 to gain Tesla Supercharger access, after the company confirmed to its EV owners that they could use any of the more than 25,000 Supercharging stalls in North America.

Newer BMW all-electric cars, like the i4, i5, i7, and iX, are able to utilize Tesla’s V3 and V4 Superchargers. These are the exact model years, via the BMW Blog:

  • i4: 2022-2026 model years
  • i5: 2024-2025 model years
    • 2026 i5 (eDrive40 and xDrive40) after software update in Spring 2026
  • i7: 2023-2026 model years
  • iX: 2022-2025 model years
    • 2026 iX (all versions) after software update in Spring 2026

With the expansion of the companies that gained access in 2025 to the Tesla Supercharger Network, a vast majority of non-Tesla EVs are able to use the charging stalls to gain range in their cars.

So far in 2025, Tesla has enabled Supercharger access to:

  • Audi
  • BMW
  • Genesis
  • Honda
  • Hyundai
  • Jaguar Land Rover
  • Kia
  • Lucid
  • Mercedes-Benz
  • Nissan
  • Polestar
  • Subaru
  • Toyota
  • Volkswagen
  • Volvo

Drivers with BMW EVs who wish to charge at Tesla Superchargers must use an NACS-to-CCS1 adapter. In Q2 2026, BMW plans to release its official adapter, but there are third-party options available in the meantime.

They will also have to use the Tesla App to enable Supercharging access to determine rates and availability. It is a relatively seamless process.

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