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Elon Musk confirms Tesla Optimus V3 already uses Grok voice AI

Musk’s recent posts suggest that the development of Tesla’s humanoid robot is advancing steadily behind the scenes.

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(Credit: Tesla)

Tesla CEO Elon Musk has teased new progress on the company’s humanoid robot, Optimus. In a brief post on X, Musk shared that he had an “excellent review” with the Tesla Optimus team. He also confirmed that Optimus V3 is already using Grok voice assistant in a later reply. 

Musk’s recent posts suggest that the development of Tesla’s humanoid robot is advancing steadily behind the scenes.

Grok Already Integrated

Musk’s recent comments about Optimus were shared on social media platform X. Initially, Musk posted that Optimus V3 would be (chef’s kiss), and that he just had an excellent review with the humanoid robot’s team. Considering Musk’s post, it was no surprise that some Tesla fans asked if Optimus would be able to talk using Grok, xAI’s large language model. Musk confirmed that Optimus “already does.” 

Grok’s integration with Optimus may allow the robot to interact more naturally with its environment and users. Tesla previously noted that Optimus will rely on the same neural networks powering its Autopilot and FSD systems. The addition of Grok could then make Optimus even more user-friendly for regular consumers.

Closer to Production

The current iteration of Optimus features Tesla-designed actuators, improved limb control, and more human-like proportions. Recent demo videos released by the company showed Optimus units walking unassisted, balancing in place, and working in Tesla factories, among other tasks. Musk has also highlighted that Optimus would have upgraded hands with 22 degrees of freedom, close to a human hand.

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Musk noted during the company’s Q1 2025 All Hands meeting that Tesla may be able to produce around 5,000 units this year. “This year, we hopefully will be able to make about 5,000 Optimus robots. We’re technically aiming for enough parts to make 10,000, maybe 12,000, but since it’s a totally new product with a totally new, like everything is totally new, I’ll say we’re succeeding if we get to half go the 10,000. But even 5,000 robots, that’s the size of a Roman legion, FYI,” Musk said during the meeting.

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.

Elon Musk

Tesla ups Robotaxi fare price to another comical figure with service area expansion

Tesla upped its fare price for a Robotaxi ride from $4.20 to, you guessed it, $6.90.

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Credit: Tesla

Tesla has upped its fare price for the Robotaxi platform in Austin for the first time since its launch on June 22. The increase came on the same day that Tesla expanded its Service Area for the Robotaxi ride-hailing service, offering rides to a broader portion of the city.

The price is up from $4.20, a figure that many Tesla fans will find amusing, considering CEO Elon Musk has used that number, as well as ’69,’ as a light-hearted attempt at comedy over the past several years.

Musk confirmed yesterday that Tesla would up the price per ride from that $4.20 point to $6.90. Are we really surprised that is what the company decided on, as the expansion of the Service Area also took effect on Monday?

The Service Area expansion was also somewhat of a joke too, especially considering the shape of the new region where the driverless service can travel.

I wrote yesterday about how it might be funny, but in reality, it is more of a message to competitors that Tesla can expand in Austin wherever it wants at any time.

Tesla’s Robotaxi expansion wasn’t a joke, it was a warning to competitors

It was only a matter of time before the Robotaxi platform would subject riders to a higher, flat fee for a ride. This is primarily due to two reasons: the size of the access program is increasing, and, more importantly, the service area is expanding in size.

Tesla has already surpassed Waymo in Austin in terms of its service area, which is roughly five square miles larger. Waymo launched driverless rides to the public back in March, while Tesla’s just became available to a small group in June. Tesla has already expanded it, allowing new members to hail a ride from a driverless Model Y nearly every day.

The Robotaxi app is also becoming more robust as Tesla is adding new features with updates. It has already been updated on two occasions, with the most recent improvements being rolled out yesterday.

Tesla updates Robotaxi app with several big changes, including wider service area

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Tesla’s Robotaxi expansion wasn’t a joke, it was a warning to competitors

Tesla might have made a joke with its first Robotaxi service area expansion, but it was truly a serious warning to its competitors.

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Tesla’s Robotaxi expansion occurred for the first time on Monday, and while the shape of its new service area might be “cocky,” it surely is not a joke. It’s a warning to competitors.

Robotaxi skeptics and Tesla opponents are sitting around throwing hate toward the company’s expansion appearance. Some called it “unserious,” and others say it’s “immature.” The reality is that it has a real meaning that goes much further than the company’s lighthearted and comical attitude toward things.

For context, Tesla has routinely used the number 69 as a way to price things it sells. 420 is another, an ode to cannabis culture. A few years back, it actually priced its Model S flagship sedan at $69,420. The first rides of the Robotaxi fleet were priced at $4.20. They are now being increased to $6.90.

Some call it childish. Others call it fun. The truth is, nobody is doing it this way.

Tesla updates Robotaxi app with several big changes, including wider service area

But today’s expansion of the Robotaxi service area in Austin is different. Tesla did not expand its shape to different neighborhoods or areas of the City of Austin. It did not expand it by broadening the rectangle that was initially available. Instead, it chose a different strategy, simply because it could:

Tesla could have done anything. It could have expanded in any direction, in any way, but it chose this simply because it has gotten Robotaxi to the point that it can broaden its service area in any direction. It chose this shape because it could.

Other companies might not have the same ability. Of course, many companies probably would not do this even if it could, simply because of the optics. Tesla doesn’t have those concerns; it has been open about its ability to be funny, and yes, immature, at times.

But in reality, it was a stark warning to competitors. “We can go anywhere in Austin, at any time, and we’re confident enough to make a joke about it.”

Tesla’s Robotaxi geofence in Austin grows, and its shape is hard to ignore

As Tesla is already aiming to expand to new states and high-population areas, and with applications filed in Arizona and California, Robotaxi will be in new regions in the coming weeks or months.

For now, it remains in Austin, and Tesla is sending a message to other companies that it is ready to go in any direction. The driverless Robotaxi fleet, bolstered by billions of miles of data, is ready to roam without anyone at the wheel.

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Tesla updates Robotaxi app with several big changes, including wider service area

Tesla’s Robotaxi app has gotten another update, and this time it offers a wider service area, but there are a lot of other changes, too.

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Credit: @AdanGuajardo/X

Tesla is rolling out its second update to its Robotaxi app after it launched the driverless ride-hailing service less than a month ago in Austin.

Among the changes, Tesla has expanded its service area, added walking directions to both the pickup and dropoff areas, added closing times for dropoff destinations, and allowed editing of your destination after booking a ride.

The new app version, Robotaxi 25.7.5, was rolled out on Monday morning. The biggest change is the near doubling of the service area, as Tesla expanded the possible travel region by a significant margin:

Tesla’s Robotaxi geofence in Austin grows, and its shape is hard to ignore

It’s no surprise Tesla decided to push the envelope with a new, interesting shape to the geofenced area that is hard to ignore.

The new region includes notable points of interest in Austin, most notably is the University of Texas at Austin. Tesla included the school, which has over 53,000 students, in this expansion, and it could be pushing the app and service to some of them in the coming weeks.

It’s a great addition as it is a highly concentrated area of the city, full of students and visitors.

Robotaxi app changes outside of new service area

Tesla has also added a handful of new changes. With its first update of the Robotaxi app, Tesla addressed several highly requested changes, including the ability to adjust the pickup location instead of being fixed to a default spot.

Walking Directions to Pickup and Destination

In congested and large metro areas, ride-sharing pickups are sometimes confusing to navigate to. When it comes to dropoff at your destination, exiting the vehicle at the front door is not always possible (many in Austin noticed this at Terry Black’s BBQ).

Tesla Robotaxi’s biggest challenge seems to be this one thing

Now, the app will guide you on how to reach your Robotaxi and your destination when pickup and dropoff are not available at the entrances of the establishments you’re visiting.

Search Results now show closing times

If you’re going to arrive at an establishment close to its closing time, the Robotaxi app will now warn you that you could arrive with only a few minutes to spare, or you could miss it altogether.

This is a nice touch because there’s nothing worse than craving some ice cream at 10 p.m., only to arrive and see the doors are locked and the lights are off.

Many navigation apps have this integrated to eliminate any confusion about closing times.

Destination editing after booking

This feature could go hand-in-hand with the closing times. As a business might close shortly after your arrival, you might find it advantageous to visit another establishment that has more time to serve you.

You can now pivot your destination after you have entered your Roobtaxi.

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