SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’
Elon Musk’s tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.
Grok
xAI burned $6.4B last year. SpaceX’s IPO filing shows why the spending is far from over
SpaceX’s IPO filing reveals xAI lost $6.4 billion in 2025 while planning a massive Grok expansion — offering the first public look at Elon Musk’s AI financials and more details about his ambitions.
Elon Musk testifies that xAI trained Grok on OpenAI models
“Distillation” is a hot topic as frontier labs try to prevent smaller competitors from copying their models.
Warren presses Pentagon over decision to grant xAI access to classified networks
Sen. Elizabeth Warren noted that Grok, xAI’s controversial chatbot, has created harmful outputs for users and poses a potential national security risk.
One startup’s pitch to provide more reliable AI answers: crowdsource the chatbots
CollectivIQ looks to give users more accurate answers to their AI queries by showing them responses that pull information from ChatGPT, Gemini, Claude, Grok — and up to 10 other models — all at the same time.
Musk bashes OpenAI in deposition, saying ‘nobody committed suicide because of Grok’
In his lawsuit against OpenAI, Musk touted xAI safety compared with ChatGPT. A few months later, xAI’s Grok flooded X with nonconsensual nude images.