AI Founder Weekly2026/05/15 15:15:52AI Briefing — Week of May 11, 2026A Monday-morning digest for AI founders and early-stage investors covering May 8–15, 2026: OpenAI's voice API trio, Anthropic Dev Day's persistent-memory agents, Cerebras' $5.5B IPO, EU AI Act Omnibus extension to 2027, and the talent exodus reshaping frontier labs.00