xAI raises $20B Series E to scale Grok and build world’s largest AI infrastructure xAI closed a $20B Series E to expand Colossus compute and scale Grok products across , Tesla, and enterprise apps. The post xAI raises $20B Series E to scale Grok and build world’s largest AI infrastructure appeared first on Crypto Briefing. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ January 6, 2026 8:11 pm