Hacker News — 2026-05-21#

Top Story#

The AI valuation wars are officially spilling into the public markets, with OpenAI preparing to confidentially file a draft of its IPO prospectus as soon as Friday at a valuation north of $850 billion. This sets up a massive Wall Street showdown against Elon Musk’s SpaceX (recently merged with xAI and valued at $1.25 trillion), right as their biggest competitor, Anthropic, is rumored to be raising funds at an eye-watering $900 billion valuation.