Elon Musk’s artificial intelligence startup, xAI, is expanding its Silicon Valley footprint, leasing roughly 105,000 square feet of office space at Palo Alto’s Page Mill Center, just blocks away from Tesla’s engineering complex.

Musk’s deepening Silicon Valley footprint

People familiar with the matter have informed the San Francisco Business Times that xAI’s lease at Page Mill Center may already have been finalized, adding to the company’s existing headquarters at 1450 Page Mill Road. The two offices share a parking lot, reflecting Musk’s strategy of consolidating his ventures. Tesla’s engineering hub is also just a few blocks away.

The new offices form a growing cluster of Musk-led companies in the heart of the Valley and come as xAI has listed over 250 job openings. These include listings for engineers, designers, and technical staff, among others. 

xAI’s aggressive hiring push hints at rapid scaling, which makes quite a lot of sense considering the company’s ambitious projects. xAI oversees the large language model Grok and other AI initiatives such as the newly launched Grokipedia, and the startup has also acquired the social media platform X. Real estate owner Hudson Pacific Properties, the owners of Page Mill Center, have so far declined to comment.

AI demand and Silicon Valley’s office rebound

Silicon Valley’s office market, long subdued by remote work trends, is seeing renewed activity from AI firms. Hudson Pacific told investors this summer that tenant demand has reached a three-year high, with over half of new leases driven by artificial intelligence companies. Vacancy rates have now fallen for four straight quarters to 16.6% as well, CBRE reported.

The expanding footprint of Elon Musk’s companies in Palo Alto bodes well for the CEO’s plans in the area. Musk, after all, has previously butted heads with officials, resulting in his two biggest ventures, electric vehicle maker Tesla and private space company SpaceX, officially relocating their headquarters to Texas.

SpaceX is reassessing its Starship mission plan for NASA’s Artemis 3 program, exploring what it calls a “simplified” architecture that could accelerate the first crewed lunar landing of the 21st century. 

The private space company stated that the revised concept aims to “result in a faster return to the moon while simultaneously improving crew safety,” following NASA’s decision to reopen the lunar mission contract to new competition.

SpaceX outlines HLS progress

In a blog post titled To the Moon and Beyond, SpaceX detailed recent Starship milestones and reaffirmed its role as a “core enabler” of NASA’s lunar ambitions. As per SpaceX, its efforts are not just aimed at returning to the Moon. It is aimed at establishing a permanent, sustainable presence on the lunar surface. 

“Since the contract was awarded, we have been consistently responsive to NASA as requirements for Artemis III have changed and have shared ideas on how to simplify the mission to align with national priorities. In response to the latest calls, we’ve shared and are formally assessing a simplified mission architecture and concept of operations that we believe will result in a faster return to the Moon while simultaneously improving crew safety,” SpaceX wrote in its post.

The post described Starship’s vast potential for lunar operations, noting that a single vehicle provides over 600 cubic meters of pressurized habitable volume, roughly two-thirds that of pressurized volume of the entire International Space Station, and is “complete with a cabin that can be scaled for large numbers of explorers and dual airlocks for surface exploration.” 

SpaceX also mentioned its fixed-price NASA contract, which ensures taxpayer protection while incentivizing milestone-based progress. As part of its preparations for a Moon mission, SpaceX plans to conduct a key in-space refueling demonstration in 2026, as noted in a Space.com report. Regerdless, SpaceX is still continuing the parallel development of its “core” Starship for Mars and deep-space exploration.

SpaceX’s update followed NASA concerns

NASA Acting Administrator Sean Duffy recently voiced frustration over Starship’s pace, noting on CNBC that SpaceX “pushed their timelines out” while the U.S. remains in a race against rivals. In a comment, Duffy stated that NASA will not wait for one company as it pushes forward with its Artemis program.

“I love SpaceX. It’s an amazing company. The problem is, they’re behind. They’ve pushed their timelines out, and we’re in a race against China. The president and I want to get to the Moon in this president’s term, so I’m going to open up the contracts. I’m going to let other space companies compete with SpaceX, like Blue Origin,” Duffy said.

Elon Musk publicly criticized Duffy over his remarks, but SpaceX’s latest update has shifted the focus back to technical progress and mission readiness. While SpaceX did not elaborate on the details of its simplified architecture, Musk hinted that Starship could eventually accomplish “the whole moon mission” on its own. “Starship will build Moonbase Alpha,” Musk wrote in a recent post on X. 

Neuralink’s Head of Surgery has teased what could very well be the an incredibly ambitious and insane collaboration with Tesla Optimus, Elon Musk’s humanoid robot that is expected to start initial trial production sometime next year. 

If successful, the test could result in Neuralink patients accomplishing impressive feats using Optimus.

Neuralink’s current trials

Neuralink recently shared a video of Alex, the second human recipient of its Telepathy device. Alex is part of Neuralink’s PRIME study, and he was selected to be the first patient to control a robotic arm using only his mind. As could be seen in the video, Alex is now capable of operating household appliances using a robotic arm that he controls with his mind. 

In response to the video, which was posted by Neuralink co-founder and President DJ Seo, the startup’s Head of Surgery Mechanical Engineering, Danish Hussain, joked that the company is really just helping out people. This was despite critics arguing that Neuralink is some giant evil corporation. “We’re literally just out here helping the homies eat pretzels lol,” the Head of Surgery ME wrote. 

Next steps with Optimus

The Neuralink Head of Surgery ME’s comments caught quite a bit of attention on X, with some, such as Elon Musk, highlighting that Neuralink is actually a pretty small company. Other commenters also asked whether Neuralink would eventually train its patients with Tesla Optimus V2, a humanoid robot. Hussain shared an exciting response: “We’re starting simple, but this will happen very soon!” he wrote in a post on X.

Having the capability to control an Optimus robot using only the mind would most definitely be a life-changing ability for Neuralink’s patients. Of course, Tesla might wait until Optimus V3 gets rolled out before such a trial might happen, as that is the variant of the humanoid robot that seems to be heading for mass production. Either way, it seems like an age where Optimus robots can be controlled by thoughts using a Neuralink implant may be coming sooner than expected.