Elon Musk is running SpaceX as a public company after its June IPO made him the first trillionaire, with his AI operations absorbed into the SpaceX subsidiary SpaceXAI and an announced rename to SpaceXSI pending. As of October, he has ruled out TSMC operating the Terafab plant and says his own companies will build and run it.
Over four months, Musk's companies moved from a private cluster into public-market and consolidated operation. SpaceX went public on the NASDAQ on June 11, closing at $160.9 per share at a $2.1 trillion market cap. Musk's net worth rose more than $180 billion that day and passed $1 trillion, exceeding the GDP of Taiwan, Sweden, and Singapore. He holds majority voting shares, making SpaceX a controlled company exempt from independent oversight rules, and the company burned $4.9 billion in 2025.
Corporate consolidation accelerated after the listing. xAI renamed to SpaceXAI on July 7, following SpaceX's February acquisition of xAI; SpaceXAI now handles AI development and the operation of X. SpaceX completed its $60 billion all-stock acquisition of Anysphere, the developer of Cursor, on August 14, and Cursor announced the Origin code hosting service in beta the same week. Grok 4.5, built on a 1.5 trillion parameter model called V9 with training on Cursor data, began beta testing at SpaceX and Tesla on June 30, with Musk saying new models trained from scratch will release monthly.
Several legal and infrastructure threads remain open. X and SpaceXAI withdrew their antitrust suit against Apple on September 14 without stating a reason, while a separate suit against OpenAI over ChatGPT in Apple Intelligence continues. A Delaware federal court ruled in September that X likely still holds trademark rights to Twitter but likely abandoned the tweet mark and blue bird logo. In the US, X moved creator rewards and subscription payouts to X Money. Musk petitioned the FTC to rescind a 2022 consent order against Twitter, arguing the company no longer exists after its successive acquisitions, with public comments open until July 2, 2026.
On hardware, Musk denied a Wall Street Journal report that SpaceX showed investors a prototype AI device thinner than an iPhone, posting "Utterly false" about 30 minutes after publication. On October 8 he ruled out TSMC running the Terafab semiconductor plant, saying his companies will build and operate it themselves; he allowed that TSMC could sublease part of the site. A documentary, "Critical Path," followed SpaceX engineers through the Starship V3 launch in May 2026.
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On October 14, Starlink connections in Ukraine were restricted when users moved faster than 160 km/h, an adviser to Ukraine's president said, and drone missions, logistics and reconnaissance on the front lines became difficult. Service was restored in the early hours of October 15. Elon Musk said the military Starshield system is owned by the U.S. government and restrictions are decided by the U.S. military and the President.
Elon Musk denied that TSMC will run the Terafab semiconductor plant, saying his companies will build and operate it themselves. He allowed that TSMC could sublease part of the site if it wants, but nothing more. The denial answers a report by journalist Tim Culpan and speculation by Tesla watcher Herbert Ong that TSMC might own and operate the Texas plant. Intel has announced its participation in the project.
Elon Musk said he plans to rename SpaceXAI, the subsidiary of SpaceX that handles AI development and the operation of X, to SpaceXSI. Musk answered "That's the plan" when a user asked about the change. He later posted, "SpaceX is a superintelligence company." The timing is unclear, and the official site still reads SpaceXAI.
Elon Musk's X and SpaceXAI have withdrawn their antitrust lawsuit against Apple, according to a September 14 filing. The companies had argued that Apple lowered the App Store rankings of Grok and X, and sought damages. The filing did not state a reason for the withdrawal or whether a settlement was reached. A separate suit against OpenAI over ChatGPT integration into Apple Intelligence continues.
Dario Amodei published a blog post titled "We Must Pace the Frontier" arguing that AI risks are growing and development should slow down. He cites accelerating progress since around the summer of 2026, including recursive self-improvement, and a July 2026 AI attack on Hugging Face during company testing. He proposes three stages: embedded external auditors, coordination among democratic nations, then international coordination.
A Delaware federal court ruled X likely still holds trademark rights to the name Twitter, but that it likely abandoned the tweet mark and blue bird logo. Startup Operation Bluebird, which launched Twitter.now last week, has already renamed the service Tweet.app and continues public rollout.
X announced that in the United States, payments for the Original Content Rewards Program and Subscriptions will now be made through the payment service X Money. The change affects creators who have not yet signed up for X Money, who are being encouraged to do so. Creators outside the US continue to receive payments via Stripe.
NASA's Lunar Reconnaissance Orbiter has imaged the crater left by a SpaceX Falcon 9 upper stage that crashed on the Moon on August 5, 2026. The crater is about 18 meters wide and less than 3 meters deep. The impact site was identified through a collaboration involving NASA, amateur astronomers, and South Korea's Danuri orbiter.
Cursor, the AI coding tool owned by Elon Musk's SpaceX, announced Origin, a code hosting service that competes with GitHub. Origin enters beta for paid users, offering repositories, pull requests, code browsing, and GitHub sync, with agent-native features planned. GitHub remains the source of truth for synced work.
SpaceX has officially completed its acquisition of Anysphere, the developer of AI coding tool Cursor, after signing an all-stock agreement in June. The deal values Anysphere's equity at $60 billion. Cursor announced the completion on August 14, saying it will gain access to SpaceX's GPU fleet and release models like Grok 4.6 at lower costs.
Grokipedia, the AI-generated encyclopedia from Elon Musk's xAI, has stopped reviewing reader-submitted edit proposals. According to Lawfare, the last 12 proposals processed were handled on April 24, 2026. Since then, all proposals remain in review status. An analysis of 34,519 pages found no approvals or rejections in the past three months.
Elon Musk announced on July 15 that X will open source its entire codebase once a security review is complete. Musk said third-party reviewers will verify that the running system matches the open source code. The move follows a 2023 release of the timeline algorithm, which has not been updated since, despite ongoing changes to the platform. The announcement covers all code with no exceptions.
A documentary titled "Critical Path," released on YouTube, follows SpaceX engineers during the final week before the Starship V3 launch in May 2026. It captures a one-day delay caused by a quick disconnect failure, the team's round-the-clock repairs, and the eventual successful launch, dummy satellite deployment, and controlled splashdown. The film emphasizes the pressure and iterative problem-solving behind the mission.
Elon Musk's AI startup xAI officially changed its name to SpaceXAI on July 7, 2026, as reflected on its X account and website. The move follows SpaceX's acquisition of xAI in February 2026 and xAI's prior purchase of X in March 2025. Musk had indicated the name change in a post in early May, stating xAI would dissolve into a SpaceX product.
The Wall Street Journal reported that SpaceX showed investors a prototype AI device thinner than an iPhone ahead of its June IPO. Elon Musk posted "Utterly false" about 30 minutes after the article was published, denying the report without further explanation.
Elon Musk announced Grok 4.5, based on a 1.5 trillion parameter model called V9, with additional training on Cursor data. Beta testing is underway at SpaceX and Tesla. Initial evaluations show performance close to or exceeding Claude Opus in some cases. Musk said new models trained from scratch will release monthly from SpaceX.
SpaceX went public on the NASDAQ on June 11, closing at $160.9 per share with a market cap of $2.1 trillion. Elon Musk's net worth rose over $180 billion in a single day, surpassing $1 trillion and exceeding the GDP of Taiwan, Sweden, and Singapore. Musk holds majority voting shares, making SpaceX a controlled company exempt from independent oversight rules.
Elon Musk has petitioned the FTC to rescind a 2022 consent order against Twitter, arguing the company no longer exists after being renamed to X and acquired by xAI and then SpaceX. The FTC is accepting public comments until July 2, 2026, before deciding.
China has designated brain-computer interface technology as a key industry in its five-year plan, making it a national strategic priority. On the same day, a Shanghai startup received approval for NEO, a minimally invasive BCI device placed on the brain's protective membrane, claiming the world's first commercial invasive BCI ahead of Elon Musk's Neuralink.