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Elon Musk’s xAI launches Grok-3: What you need to know

Credit: xAI/X

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Elon Musk’s artificial intelligence startup, xAI, has launched the most powerful iteration of its Large Language Model (LLM), Grok-3. 

Grok-3’s was formally announced in a livestream on social media platform X.

Grok-3:

  • As per Elon Musk during xAI’s livestream, “Grok 3 is an order of magnitude more capable than Grok 2.”
  • Grok-3 is the product of xAI’s Colossus supercluster, which is currently comprised of 200,000 GPUs.
  • xAI noted that Colossus is the world’s largest fully connected H100 supercluster of its kind.
  • What is quite amazing is that xAI doubled the size of Colossus from 100,000 GPUs to 200,000 in just 92 days.
  • For context, it took xAI 122 days to get the first 100k GPUs running for its Colossus supercluster.
  • Grok-3 completed pre-training in early January. It involved over 10x more training than its predecessor, Grok-2.
  • xAI also introduced a smart search engine with Grok-3, called DeepSearch.

Grok-3 potential:

  • Grok-3 is currently being offered to social media platform X’s Premium+ subscribers.
  • xAI has also launched a new subscription, SuperGrok, for the LLM’s mobile app and Grok.com website.
  • Initial benchmark tests for Grok-3 have been very optimistic, with the new AI outperforming other large language models in its category.
  • Grok-3 also reached a score of 1400 on Chatbot Arena, the first model to achieve such a rating. 

xAI speed:

  • During the xAI Engineering Open House event in San Francisco last year, Elon Musk shared a quote that stood out to the event’s attendees.
  • During his talk, Musk reportedly emphasized that speed in innovation is of the utmost importance.
  • “No SR-71 Blackbird was ever shot down and it only had one strategy: to accelerate,” Musk wrote.
  • Ultimately, it is difficult not to be impressed with xAI’s speed. After all, it has only been 17 months since the company started kicking off its very first model.
  • xAI also started its operations several years behind industry leaders such as OpenAI and Google.

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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Elon Musk

Elon Musk: Tesla Model Y is world’s best-selling car for 3rd year in a row

The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla. 

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Credit: Grok Imagine

Elon Musk has announced that the Tesla Model Y has become the world’s best-selling car by volume for the third consecutive year, capping 2025 with another dominant performance. 

The Model Y has now established an impressive streak that would otherwise have been impossible before Tesla. 

Three years in a row

Musk posted on X: “Tesla Model Y is now officially the world’s best-selling car for the third year in a row!” The CEO’s comment echoed an update that Tesla included in its 2025 recap, which highlighted, among other things, the Model Y’s incredible streak. 

The Model Y has held the title since 2023, outperforming traditional leaders like the Toyota RAV4 and Corolla thanks to its bang-for-the-buck nature and its stellar combination of practicality, performance, and tech. The Model Y is also lauded as one of the safest vehicles on the road, making it an ideal choice for families in key markets such as China. 

An impressive 2025

The Model Y’s sales feat in 2025 is especially impressive considering the introduction of the vehicle’s new variant. Tesla’s changeover to the new Model Y across its global factories resulted in sales being paused for some time in the first quarter. As per Tesla’s Q1 2025 vehicle delivery and production report, “the changeover of Model Y lines across all four of our factories led to the loss of several weeks of production in Q1.” 

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This suggests that the Model Y’s sales remained strong in 2025 to the point where it could still claim the title of the world’s best-selling vehicle by volume, even with its sales being throttled during the first quarter of the year. It would then be interesting to see just how far the Model Y can go in 2026, especially considering the rollout of new variants like the six-seat extended wheelbase Model Y L, the affordable Model Y Standard, and the top-tier Model Y Performance. 

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Elon Musk

Tesla’s Elon Musk accepts invitation to Israel’s Smart Transportation Conference

The announcement was shared by the Israeli Prime Minister in a post on social media platform X. 

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Gage Skidmore, CC BY-SA 4.0 , via Wikimedia Commons

Elon Musk has reportedly accepted an invitation from Israeli Prime Minister Benjamin Netanyahu to participate in the country’s Smart Transportation Conference in March 2026. 

The announcement was shared by the Israeli Prime Minister in a post on social media platform X. 

A call and an invitation

Netanyahu posted on X about Musk, stating in Hebrew: “Last night, I held a joint conference call from Florida with entrepreneur Elon Musk, Minister of Transportation Miri Regev, and the head of the National AI Headquarters, Erez Askal. In the framework of the conversation, Musk responded to my invitation and Minister Regev’s invitation to participate in the Smart Transportation Conference that will be held in March.”

Netanyahu added that he and Musk discussed continuing initiatives such as the promotion of autonomous vehicle laws and the boosting of AI technologies in Israel. This, according to the Prime Minister, is aimed at making the country a global leader in emerging technologies.

“Additionally, we discussed the continuation of collaborations with Tesla and the promotion of the law pertaining to autonomous vehicles. I spoke at length with Musk about promoting and developing artificial intelligence technologies in Israel, and I said in our conversation: We intend to catapult Israel and turn it into a global leader in the field, just as we did in cyber and other technologies,” Netanyahu added.

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Tesla FSD’s upcoming rollout in Israel

Elon Musk’s upcoming conference appearance in Israel could hint at Tesla’s upcoming rollout of FSD and its Robotaxi service in the country. Previous reports have hinted that FSD is nearing regulatory approval in Israel, following strong advocacy from local owners and direct intervention from the government. 

Nearly 1,000 Tesla drivers petitioned authorities, highlighting FSD’s potential to enhance road safety. Transport and Road Safety Minister Miri Regev responded positively on X, writing “I’ve received the many referrals from Tesla drivers in Israel! Tesla drivers? Soon you won’t need to hold the steering wheel.”

Minister Regev has instructed the ministry’s Director-General to accelerate the approval process, including necessary tests. A dedicated working group, led by Moshe Ben-Zaken, is also coordinating with regulatory and safety agencies to meet international standards.

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Elon Musk

Elon Musk and Tesla AI Director share insights after empty driver seat Robotaxi rides

The executives’ unoccupied tests hint at the rapid progress of Tesla’s unsupervised Robotaxi efforts.

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Ashok Elluswamy

Tesla CEO Elon Musk and AI Director Ashok Elluswamy celebrated Christmas Eve by sharing personal experiences with Robotaxi vehicles that had no safety monitor or occupant in the driver’s seat. Musk described the system’s “perfect driving” around Austin, while Elluswamy posted video from the back seat, calling it “an amazing experience.”

The executives’ unoccupied tests hint at the rapid progress of Tesla’s unsupervised Robotaxi efforts.

Elon and Ashok’s firsthand Robotaxi insights

Prior to Musk and the Tesla AI Director’s posts, sightings of unmanned Teslas navigating public roads were widely shared on social media. One such vehicle was spotted in Austin, Texas, which Elon Musk acknowleged by stating that “Testing is underway with no occupants in the car.” 

Based on his Christmas Eve post, Musk seemed to have tested an unmanned Tesla himself. “A Tesla with no safety monitor in the car and me sitting in the passenger seat took me all around Austin on Sunday with perfect driving,” Musk wrote in his post.

Elluswamy responded with a 2-minute video showing himself in the rear of an unmanned Tesla. The video featured the vehicle’s empty front seats, as well as its smooth handling through real-world traffic. He captioned his video with the words, “It’s an amazing experience!”

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Towards Unsupervised operations

During an xAI Hackathon earlier this month, Elon Musk mentioned that Tesla owed be removing Safety Monitors from its Robotaxis in Austin in just three weeks. “Unsupervised is pretty much solved at this point. So there will be Tesla Robotaxis operating in Austin with no one in them. Not even anyone in the passenger seat in about three weeks,” he said. Musk echoed similar estimates at the 2025 Annual Shareholder Meeting and the Q3 2025 earnings call.

Considering the insights that were posted Musk and Elluswamy, it does appear that Tesla is working hard towards operating its Robotaxis with no safety monitors. This is quite impressive considering that the service was launched just earlier this year.

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