Articles tagged “xAI”
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Grok 4.5 vs GPT-5.6: Benchmarks & Pricing
SpaceXAI shipped Grok 4.5 on July 9 and OpenAI followed with GPT-5.6 within 24 hours. Here's how the numbers actually compare.
Grok 4.5 Launches July 9 as xAI's Opus-Class
Elon Musk announced Grok 4.5 on July 8, 2026, calling it an "Opus-class model, but faster, more token-efficient and lower cost." Public rollout began July 9.
Grok 4.5 Goes Public as OpenAI Launches GPT-5.6
Elon Musk announced Grok 4.5 will go public on July 9, 2026 — the same week OpenAI opens GPT-5.6 to the public. Here's what builders need to know.
Tesla Caps Staff AI Spending at $200/Week
Tesla sets a $200/week limit on staff AI tool spending starting July 6. Engineers were spending thousands weekly.
SpaceX Deploys Dozens of Engineers to Grok AI
Elon Musk says SpaceX moved dozens of top Starlink and Starship engineers to Grok development, while Cursor staff pitch in after SpaceX's $60B acquisition of the AI coding startup.
CAISI Signs AI Reviews With Google, Microsoft
The US government's CAISI unit signed AI model review deals with Google DeepMind, Microsoft, and xAI on May 5, 2026 — but the agreements are voluntary and carry no enforcement power.
SpaceX Lands $6.3B Compute Deal With Reflection
Reflection AI will pay SpaceX $150 million a month starting July 1, 2026, for Nvidia GB300 chips at Colossus 2 — the third major compute deal SpaceX has signed this year.
Sen. Warren Demands SEC Halt SpaceX IPO
Sen. Warren sent the SEC a 12-page letter demanding it delay SpaceX's Friday IPO, citing Elon Musk's unchecked power, xAI valuation risks, and index-inclusion dangers for passive investors.
DOJ Backs xAI in Clean Air Act Suit, Cites National Security
The DOJ filed court papers siding with xAI against an NAACP Clean Air Act lawsuit, claiming 46 unpermitted gas turbines at the Colossus 2 data center support U.S. military AI operations.
SpaceX Secures $60B Option to Acquire Cursor
SpaceX announced a deal giving it the right to acquire Cursor, the AI coding startup behind Anysphere, for $60 billion — or pay $10 billion for their joint work together.
xAI Trade Secret Suit Against OpenAI Dismissed
US District Judge Rita F. Lin dismissed xAI's trade secret claims against OpenAI with prejudice, finding xAI failed to show OpenAI did anything beyond routine hiring questions.
SpaceX IPO Makes Musk World's First Trillionaire
SpaceX priced its IPO at $135 a share and opened at $150 on Nasdaq June 12, 2026. The stock surged past $172 intraday, pushing Elon Musk's combined net worth above $1 trillion.