Musk Confirms Tesla Will Upgrade HW3 Vehicles for Free - If You Bought FSD
Tesla has been struggling to provide FSD updates for vehicles with Hardware 3 (HW3). What was once thought to be enough compute power to solve autonomy, is no longer able to handle the latest FSD updates.
Yesterday, Tesla finally confirmed that vehicles with HW3 will need to be upgraded to achieve Unsupervised FSD.
HW3 Upgrade Finally Confirmed
Musk had previously suggested that an upgrade might be necessary and Tesla would upgrade these vehicles if needed. However, during yesterday’s earnings call, Musk admitted that HW3 vehicles will, in fact, need to be upgraded. Tesla said that these upgrades will be performed free of charge for owners who have purchased the FSD package, leaving subscribers wondering what will happen to their cars.
Musk stated, “That's going to be painful and difficult, but we'll get it done. Now I'm kinda glad that not that many people bought the FSD package haha.” This appears to confirm that Tesla doesn’t plan on upgrading HW3 on vehicles that subscribe to FSD.
What About Subscription-Based FSD Owners?
While there are a lot of questions, one of the bigger ones is what happens to owners who have subscribed to FSD. Tesla didn’t touch on the topic, but if they’re not planning to upgrade HW3 subscribers, then they could potentially offer a paid retrofit. When the Model 3 was first released, it came standard with HW 2.5. At the time, Tesla said that you won’t need anything better unless you plan to buy FSD. Tesla ended up upgrading owners who had bought FSD for free, but non-FSD owners were required to pay for an upgrade.
Based on previous hardware upgrades—such as the HW2.5 to HW3 transition—a paid upgrade could cost between $1,000 to $3,000. However, it’s not clear what the upgrade to HW3 vehicles will be or how much it will cost even if a paid upgrade becomes available.
FSD on HW3
Musk also hinted that FSD was not selling as well as Tesla had hoped, which likely influenced the introduction of subscription-based FSD.
Meanwhile, Tesla continues to improve HW3-based FSD. FSD V12.6 offers major improvements in smoothness and is considered a “baby V13” with notable improvements over V12.5.4.2. Reverse capabilities are also expected to arrive in a future release for HW3 vehicles, so Tesla hasn’t stopped development just yet. However, Musk was clear that HW3 will continue to lag behind HW4 releases moving forward.
FSD V14 and the Future of HW3
Tesla has stated that FSD V14 will be another significant step toward achieving Unsupervised FSD. The increasing complexity of FSD models and their growing context sizes mean that HW3 is already not able to run the larger FSD V13 models, but according to Tesla, V14 will increase the AI model even further, making it nearly impossible to run on HW3. As AI models become increasingly larger and AI5’s impending arrival approaches, one wonders how long before HW4 can’t run the latest models.
However, Tesla appears confident that HW4 will be sufficient, given its plans to launch FSD-powered robotaxis later this year.
What Will the HW3 Upgrade Look Like?
While Tesla has confirmed the HW3 upgrade, specific details remain unknown. We know that it won’t just be an upgrade to hardware 4 since that computer consumes more power than HW3’s electrical harness can provide, and it also has a different form factor, making retrofitting difficult.
Instead, Tesla will likely have to develop a new FSD hardware unit tailored for the retrofit or modify existing components to fit HW3-equipped vehicles. The hardware will need to be at least as computationally capable as HW4, but use the power of a HW3 unit.
Tesla has also said that it has no plans to replace cameras during the upgrade, despite HW3 cameras having significantly lower resolutions than HW4’s. While Tesla appears confident that this won’t be an issue, owners have reasons to be concerned as Tesla recently increased video processing resolution on HW4 cameras to improve FSD performance.
Tesla’s confirmation of an HW3 upgrade certainly makes more owners comfortable. However, the lack of details leaves subscribers and others wondering what will happen to their vehicles. It also doesn’t do much to ease the frustration of dealing with slower and less capable FSD releases, especially when they pay the same amount as HW4 owners, who receive more features and a smoother ride.
While free upgrades will be available for those who bought FSD outright, subscription-based owners are left in limbo, with no details on potential paid upgrade options.
With FSD V14 on the horizon and HW3 vehicles already struggling with the latest models, this upgrade will be crucial to keep existing owners happy.
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