Ai4 2026 Opens in Las Vegas With a Keynote Debate on AI Risk and Alignment

America's largest AI conference opens today at The Venetian with 12,000 attendees, 1,000 speakers, and four headline themes covering Agentic AI, AI Alignment, frontier models, and societal implications. The opening session features a rare joint stage appearance by three of the field's most prominent voices holding opposing views on whether AI poses an existential threat.