Elon Musk on Saturday made announcements across his business empire on artificial intelligence, electric vehicles, social media, space exploration and infrastructure. The announcements include an accelerated roadmap for xAI's Grok chatbot, plans to make Tesla Model S and Model X software open source, and a promise to release and independently audit X's entire codebase. Meanwhile, SpaceX achieved fresh progress with a largely successful Starship test flight. Here are the top six updates:
1. Grok upgrades
Musk says Grok 4.6 is due in two weeks, followed by Grok 4.7 in four weeks. The compressed roadmap comes after Grok 4.5's release, signalling an aggressive upgrade cycle for the AI assistant. However, Musk offered no detailed feature list, benchmarks or calendar dates.
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Grok 4.5 and Opus 5 are alone on Pareto frontier pic.twitter.com/FZPeCT5wQr
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— Elon Musk (@elonmusk) July 24, 2026
2. Tesla plans to open-source Model S and Model X
Tesla intends to make the design and software behind the Model S and Model X open source, following the approach taken with the original Roadster, Musk said. No timetable, repository or licensing terms have been announced yet.
ALSO READ: Tesla Faces Critical Test On Wall Street As AI Cash Burn Weighs On Investors
3. X promises a fully open codebase
Musk also pledged that every line of code “touching the X system” would become open source next month. If delivered in full, the move would go beyond X's earlier releases of selected recommendation-algorithm code and could give developers visibility into how the platform operates.
4. Independent auditors will examine X's code
The same code will be reviewed by third-party auditors, according to Musk, who argued that trust requires “total transparency”. The details include the auditor, methodology, security safeguards and publication format and these have not yet been disclosed.
5. Starship deploys operational Starlink satellites
SpaceX's first post-IPO Starship test flight, also its 13th overall, launched from South Texas and deployed 20 advanced Starlink satellites before the upper stage completed a splashdown in the Indian Ocean. The Super Heavy booster's return was less successful: insufficient engines relit for a controlled landing, sending it into the Gulf of Mexico faster than planned. Nevertheless, the flight improved on the previous test and advanced Starship's role in expanding Starlink, supporting lunar missions and pursuing reusable heavy-lift launches.
Starship soared on the second flight of the next generation, deploying advanced Starlink satellites for the first time and providing priceless data as it travelled through air, space, and sea → https://t.co/Rp7VwBzpWx pic.twitter.com/vCYYKvGvDK
— SpaceX (@SpaceX) July 25, 2026
6. The Boring Company seeks a valuation jump
Musk's tunnelling venture is reportedly discussing a $4 billion funding round that could value it at about $20 billion. The talks are not final, but the proposed figure would mark a sharp rise from its $5.675 billion valuation in 2022.
ALSO READ: OpenAI, Meta, SpaceXAI Compete For More Cost-Efficient AI Models
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