Grok 4.5
Grok 4.5 is xAI's 1.5-trillion-parameter V9 MoE model, publicly launched July 8 at $2/M input - cheap, fast, and token-efficient, though neutral harness benchmarks put it well behind Fable 5 and Opus 4.8 on coding.
Articles Tagged "Elon Musk"
SpaceX AI Device - Real Prototype or Investor Theater?
The WSJ says SpaceX showed investors a Grok-powered AI handset before its IPO. Musk called it false. We examine the hardware stack and what the denial actually means.
Colorado's AI Law Takes Effect Today, Already Gutted
Colorado's landmark AI consumer protection law takes effect June 30, but a federal lawsuit by xAI, DOJ intervention, and a replacement bill signed in May have already stripped its core protections.
Grok 4.5 Enters Beta with Unverified Opus Claims
Elon Musk announced Grok 4.5 is in private beta at SpaceX and Tesla, claiming it rivals Claude Opus - but the only benchmarks cited are internal ones run at Musk's own companies.
SpaceX Acquires Cursor for $60B in Enterprise AI Push
SpaceX signed a merger agreement to acquire Anysphere, maker of AI coding tool Cursor, for $60 billion in stock just four days after the company's record-breaking Nasdaq IPO.
xAI Engineer's Grok Safety Suit Clouds SpaceX IPO
A former xAI engineer filed a California whistleblower lawsuit claiming he was fired for warning that Grok could spread dangerous content - the day before SpaceX prices its historic $75B IPO.
Musk Loses OpenAI Lawsuit - Jury Rejects All Claims
A unanimous jury in Oakland dismissed Elon Musk's lawsuit against OpenAI and Sam Altman after less than two hours of deliberation, finding all three counts barred by the statute of limitations.
xAI Runs 46 Gas Turbines Near Memphis - NAACP Sues
xAI operates 46 gas turbines at its Southaven data center power plant, five above its state permit, as the NAACP seeks an emergency court order over Clean Air Act violations.
Altman: Musk Wanted 90% of OpenAI From the Start
Sam Altman testified that Elon Musk demanded majority control of OpenAI from the beginning, with an opening ask of 90% equity - a revelation that reframes the entire lawsuit.
Musk Admits xAI Distilled OpenAI Models for Grok
Under oath in the Musk v. Altman trial, Musk said xAI 'partly' distilled OpenAI's models to train Grok - the same practice US labs have spent months calling theft when Chinese firms do it.
Musk v. Altman Trial Opens - OpenAI's Future at Stake
A federal trial over OpenAI's shift from nonprofit to for-profit opened in Oakland on April 28, with Musk seeking $134B in damages, Altman's removal, and a full corporate reversal.
XChat Claims Encryption but Keys Sit on X's Servers
XChat launched April 24 promising end-to-end encryption, but security researchers found private keys stored on X's own servers, no certificate pinning, and a four-digit PIN as the only defense.
