OpenAI / Anthropic Careers Weekly05/12/2026, 14:53:49AI Labs Job Tracker — Week of May 4–11, 202638 confirmed new openings across OpenAI, Anthropic, xAI, Meta FAIR, DeepMind, and Mistral for May 4–11, 2026 — with hiring signals on safety research, APAC expansion, and Memphis data center ops.00