CEO of OpenAI Sam Altman speaks during the 2026 Infrastructure Summit of government officials, corporate executives, and labor leaders, in Washington, D.C., U.S., March 11, 2026. Kylie Cooper | Reuters With the four tech hyperscalers — Amazon , Alphabet , Meta and Microsoft — set to report quarterly earnings after the close, hovering over their results is a single company that doesn't even release its financials to the public: OpenAI. The ChatGPT creator, now valued at more than $850 billion by private investors, has become a major market mover over the past year as its revenue and hefty spending are increasingly viewed as a proxy for the artificial intelligence trade. OpenAI would be all over the headlines this week anyway because of a high-profile legal battle between CEO Sam Altman and Tesla CEO Elon Musk .…