# Anthropic isn't done yet: AI giant assembles million-square-foot FiDi campus - slug: anthropic-isnt-done-yet-ai-giant-assembles-million-square-foot-fidi-campus - date: 2026-04-07 - category: Artificial Intelligence Anthropic converted its Slack sublease to a direct deal and locked in two more buildings, assembling nearly 1M sq ft in FiDi before a reported 2026 IPO. ---