OpenAI Files for IPO, Joining SpaceX and Anthropic

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- OpenAI filed a confidential S-1 for an IPO on Monday via a one-paragraph blog post, making it the third company this year positioned for a potential trillion-dollar listing
- Anthropic filed confidential IPO paperwork on June 1 at a $965 billion valuation, topping OpenAI's $852 billion private mark
- SpaceX publicly filed its IPO papers last month, completing the trio of AI-linked companies racing toward public debuts
- All three could top $1 trillion in valuation despite being unprofitable with 80–90% lower sales than existing trillion-dollar public firms—Saudi Aramco's 2019 debut is the only prior trillion-dollar IPO
Why it matters: OpenAI gains strategic optionality to ride or wait out Anthropic's IPO debut, and a listing would deliver life-altering paydays to staff after recent restructurings—while adding unprofitable AI firms to a trillion-dollar club previously limited to oil giant Saudi Aramco.

