Grok 4.3 Now Available on Amazon Bedrock
量子位 QbitAI41 days agoReleasexAI's Grok 4.3 language model has been added to Amazon Bedrock, AWS's fully managed AI service platform. The integration gives developers and enterprises access to Grok 4.3 alongside other foundation models already hosted on Bedrock. This expands the deployment options for teams already building within the AWS ecosystem.
DOJ Invokes National Security to Shield xAI's Unpermitted Gas Turbines
TechCrunch AI41 days agoRegulationThe U.S. Department of Justice has intervened in the regulatory dispute over xAI's unpermitted natural gas turbines, framing continued operation as essential to national, economic, and energy security. The DOJ's position centers on the Pentagon's dependence on xAI's computing infrastructure. This marks a significant federal escalation that could shield the AI company from local environmental enforcement.
Lawsuit Says xAI Fired Engineer Over Grok Safety Warning★ 74
TechCrunch AI47 days agoEthicsFormer xAI engineer Devin Kim is suing xAI and SpaceX, alleging retaliation after he repeatedly raised safety concerns about Grok. The complaint says Kim warned about discrimination, harmful content, weapons-related risks, and alleged resistance to safety testing around Grok Code 1. The lawsuit arrives days before SpaceX’s expected IPO; xAI and SpaceX did not immediately respond to TechCrunch’s requests for comment.
Elon Musk is steamrolling Wall Street to become a trillionaire
The Verge AI54 days agoBusinessThis Decoder episode features New York Times technology reporter Ryan Mac, coauthor of Character Limit, a book about Elon Musk’s takeover of Twitter. The discussion is framed around Musk’s expanding business empire and the market attention surrounding a potential SpaceX IPO. Based on the provided excerpt, this is a business and power-structure conversation, not a technical AI release or model announcement.
Why Video Agent Models Are Next — Ethan He, xAI Grok Imagine
Latent Space56 days agoOpinionLatent Space interviews Ethan He, who led Grok Imagine at xAI, about building the product in three months. The episode contrasts video generation with world models and explores why video agent models may become an important next step. It also argues that Grok Imagine remains underrated, while the supplied description does not include architecture details or benchmark results.
How long is Anthropic’s lease with SpaceX? Opinions vary.
TechCrunch AI60 days agoBusinessTechCrunch reports that Elon Musk is publicly recasting xAI’s large Anthropic compute deal as short-term and cancellable. However, SpaceX’s own S-1 filing describes payments continuing through May 2029. The discrepancy raises questions about the deal’s duration, financial commitment, and how AI infrastructure obligations are being presented publicly versus in formal disclosures.