Late last night Tesla started rolling out update 2024.26.20 which contains the latest FSD v12.5.1.5. This release comes on the heels of version 12.5.1.4 which was in employee testing just the day before.
Hardware 3 Support
With this update, Tesla is once again supporting HW3 vehicles in the latest FSD release. HW3 vehicles haven’t been supported since FSD 12.4.x which was only rolled out to a small portion of the fleet before the update was pulled in favor of FSD 12.5.
FSD 12.5 Features
As soon as FSD 12.5 was released to HW4 late last month, it was praised for its extreme smoothness and human-like driving. Some of the features from FSD 12.4 will also be new for HW3 owners such as nag-free FSD, which eliminates the need to add torque to the steering wheel under certain conditions.
Differences from HW4
After we broke the news that FSD 12.5 was being tested on Tesla employee vehicles with HW3, Ashok Elluswamy, Tesla’s Autopilot lead, replied to our article going over some of the differences between HW3 and HW4 FSD. He mentioned that HW3 will run a smaller AI model compared to HW4, but he expects FSD performance to be similar due to other factors. HW4 also features much higher-resolution cameras, so it’ll be interesting to see if those are playing a role in the smoothness of FSD 12.5. Ashok also talked about what Tesla needs to do to have HW3 run the same FSD model in the future.
Update 2024.26.20
Percent of Fleet
Installs on Feb 22
Roll Out
This appears to be a standard Tesla rollout so far. This update has already gone out to customers outside of the early-access group, but the rollout remains small as usual. If major issues aren’t found, we expect to see the update go to additional vehicles tonight or tomorrow. Since most HW3 owners are still on FSD 12.3.6 with update 2024.20.9, this will be a massive update for them, not only in terms of FSD capability and the nag-free feature but also in terms of vehicle features such as YouTube Music, Amazon Music, Parental Controls and much more that’s included as part of Tesla’s Summer Update. Keep an eye on our statistics pages to follow the rollout.
