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Just took 12.5.4 for a test drive. Cannot tell a difference to 12.5.2.1 (I am on HW3). Still much worse than 12.3.6. Jerky ride, weird feel, too slow never gets to the speed limit. Max set point is useless. Constant intervention to keep,people from road raging on me. Major step backward in my opinion 12.3.4 to 12.5.2.1, 12.5.4 did not do much to improve.

Interesting how my sons 2024 hardware 4 will only allow him 12.3; how does he get the latest version?

The comparison I notice is how quiet the 2024 is compared to the earlier car.

That indecision that you saw on Hardware 3 part, is something I see frequently on 12.3.6. Now maybe the reason I see it more on my Hardware 3 2021 Model Y is because I live in an area where there is no people doing regular videos on FSD. If they did there would definitely be a lot more very unsafe behaviors captured and made know. I see it try to go into oncoming traffic lane on a clearly marked 2 lane road going around a blind turn. This occurs as it approaching a protected left turn light controlled intersection during heavy traffic if it is backed up to point car can see traffic light, it assumes incorrectly everyone is parked. Other issue I see 100% of the time going down road where speed limit drops from 55 MPH to 30 MPH, every version since 10.36 no longer identifies the speed limit sign until the 3rd speed limit sign. The first 2 it shows a made up speed limit of 40, but if you allow it to pick speed setting, it will continue at 55 even though it randomly dropped the speed limit marked from the actual 55MPH to a figment of its imagination of 40MPH after every side road after a posted speed limit. Proof they are not using vision for speed limit instead using map data. I have to disengage 100% of the times where I don't have lead car slowing it down. This is business district with multiple businesses all along road so any human would realize even if they didn't see the speed limit they shouldn't be going 55MPH. Now I am guess Tesla realized they have some major flaws with the 12.5.1.5 on hardware 3 cars, because looking at multiple stats apps, no new pushes have been pushed from Tesla after 08-28-24. But we did get UI Update on that same day which finally gave us Hardware 3 cars U-Tube and Prime Music, plus a few other visual updates we didn't have as our last update was May 1st 2024. Yes I do have option set to advance for new updates.

Believe it or not this the wrong way to train an AI model. An efficient training must collect "real user driving" data continuously from all millions of tesla drivers.

is that a new navigation voice?

Why haven’t I gotten this update yet I’m still on 12.3.6

24:00 FSD 12.5.1.5 HW3 (AI3) brakes (6 mph to 1 mph) while turning right on a green light.

Good test

why we using autospeed when it is just a source of issues? offset of +16% is ideal imo

FSD did good jobs on chuck’s turn but wouldn’t even move for this turn. Thank you so much for testing this.

This is a great and fascinating comparison. Keep up the great work!

Great to have this data, thanks james and Zack

do you believe its ready for a wide release on hw3 after having both?

Interesting how the partial bumps it hates, but does very well for the full/normal speed bumps

Nice video, but some much needed context would make it even better. Every FSD video should have the following basic info clearly called out and/or overlayed as text: •The model and hardware version •The FSD version •The location (city, state)

Great video, but disappointing results. Not "similar enough" as claimed, they should be calling it what it is, 12.5 Lite.

Which HW version is being used at the start??? Crazy that it wasn't called out or captioned.

I wonder if even just running either version (HW3 or HW4) repeatedly over the same route, if either would do it identically to itself or have variations. I’m on 12.3.6 and running the same streets near my home there are sometimes inexplicable variations.

The significant difficulty of FSD 12.5.1.5 on HW3 in choosing between the inside left-turn lane and outside left-turn lane can be problematic for human drivers approaching directly from behind to anticipate its move. There was also a major hesitation for the HW3 car to make the final left turn, with much opening between cars, into the subdivision. The HW4 car did much, much better!

Did the voice of the navigation change?

Great video

Great comparison. Thanks!

Comparisons are always cool to watch.

James Locke, amazing video I loved it

I just got a Y and I take it to work daily with basically no assistance in morning rush hour. First EV, glad I went Tesla.

James are you Canadian by chance? You seem a lot more concerned about not pissing off drivers following you than my American friends. You glance in the rear view mirror a fair bit too... good habit.

Good choice of route for encountering edge cases or challenging situations.

1:24 car should have started slowing down prob with close to full regen but instead had to slam on friction brakes at 1:34 to come to a stop to make a right turn. Thats a 10 second processing delay. Was hoping this build would stop these extremely late deceleration issues that has plagued FSD for years.

I just test drove a new model 3 performance. Very nice car, but some pretty bad downsides: 1) a glaring reflection of the light bar in the window (e.g 0:48 it's there and annoying as hell) 2) Creak on the drivers seat every time I accelerated. 3) If the sun shines on the steering wheel, you cannot see any of the lights and have no idea what to press. 4) No creep mode, you're forced to use "hold" and I hate it. 5) No stalks.. f*ck that shit. 6) Brakes weren't good, not biting, had to press incredibly hard to get it to stop fast

Thanks, but you really need to fix the focus, man.

Why is the navigation voice different? It sounds different from mine. Is it just in my head?

I just received this version on my new M3P and it seems like a significant improvement over 12.3.6. Very smooth.

I wonder how it would act if there was no lead cars with the line painter

Great, both your coverage and the cars performance

So you bought a 2024 Model 3 (not sure what trim) instead of waiting indefinitely for Tesla to update the FSD software on your HW3 Model 3??

My 2024 MYP (HW4) FSD v12.5.1.3 behaved like night and day; same intersection: August 11, 2024: th-cam.com/video/44VLgDqZAp4/w-d-xo.htmlsi=xsDM8wC9b8nDH_-R August 16, 2024: th-cam.com/video/gWtwQuqa_dw/w-d-xo.htmlsi=oVRkiYOahMWqxMJq Videos self-explanatory.

Wow, that was a great drive. I'm very impressed!

Is it just me or is the navigation voice prompts talking REALLY FAST?

That new model 3 is noticeably quieter and drives much smoother.

If you set your camera to aperture priority and select maybe f9 the outside will be in better focus. Plenty light in daylight. Especially if you record in 30fps instead of 60

I’ve watched all ur videos through the years and I can’t believe we are at the stage where these test loops will be completely solved. Considering you are one of the more critical when it comes to it’s driving capabilities

Do you have any low visibility intersections where foliage limits your view and you have to lean way forward to decide when it's safe to go. FSD doesn't handle this scenario very well. Many times I've had FSD pull out right in front of another car requiring a quick braking. Same dangerous intersections so very repeatable. I have yet to see a low visibility intersection in any of your videos.

epic. need more vids with edge cases

wow

Noticeable more refined Model 3.

More night videos

I know you complained about the car around 22:39 but Whole Mars brought up good reason for leaving a big gap between you and the car in front of you. He said that they want a confrontable ride for the passages so by leaving that gap they don't have to keep slowing down and and speeding up it can have constant speed

Auto Speed has been the only reason I intervene and, sometimes, disengage when it maintains speed into a much lower speed zone. 51 in a 35 zone is way too much. Especially through a construction zone! Speaking from my own experience anyway.

For a second there I read 12.5.2.3 on HW3... 😳