Elon Musk speaks during a video interview in Tel Aviv, Israel, on May 18, 2026. | Kobi Wolf/Bloomberg via Getty Images Welcome to the era of the big three. We’re not talking rappers here — although according to Kendrick Lamar, it’s “just big me” — we’re talking AI companies: Anthropic, SpaceX, and OpenAI.  These three leading artificial intelligence companies are all expected to go public this year. Elon Musk’s SpaceX, which recently acquired another Musk company, xAi, is on track to open up t