State of AI 2026: April Update on Power Shifts, Frontier Models, and the Energy Constraint
April 2026 compressed a year of AI volatility into four weeks. Frontier model launches clustered into days, global investment blasted past expectations, the UN opened the door to multilateral governance, and energy constraints moved from theoretical footnotes to board-level blockers. The market didn’t just accelerate—it changed shape. This April Update distills what leaders need to…