Grok 4.3 Launches at $1.25/M & Four Giants Swallow $725B in AI Capex & Figma Goes Agentic & cPanel Zero-Days Patched Today & CopilotKit Raises $27M

xAI's Grok 4.3 slashes API pricing to $1.25/M input tokens as Big Tech collectively commits $725B in AI capex while gutting tens of thousands of jobs, Figma ships agentic MCP tools at its May release livestream, three cPanel CVEs get emergency patches today, and developer-infrastructure startups CopilotKit and SageOx close fresh rounds.